The Great Basin, and Columbia Plateau west across the mountains to the Pacific coast of northern California, Oregon, Washington and southwestern British Columbia.
Summer pelage Mummy Brown tending toward Olive Brown; Fuscous to Fuscous-Black in winter; skull and teeth relatively narrow.
Size medium; average and extreme measurements of 5 topotypes are: total length, 129.
The name yaquinae actually applies to a population of intergrades between pacificus and bairdi.
More reddish and larger than permiliensis with which bairdi intergradesto the east; specimens from Portland show evidence of such intergradation.
Along the Wasatch front in Utah, this Great Basin shrew intergrades with the larger, grayer shrew of the Rockies.
The specimens from the Cypress Hills are noticeably different from specimens from the Okanagan area, but some of the latter, in my opinion may represent intergrades between S.
Specimens from Donner areintergrades but are closest to S.
To attempt to apply the name to the highly variable populations of intergrades from British Columbia to southern Idaho seems inadvisable.
The slight degree of morphological divergence is such that intergrades might be expected to occur.
There, in British Columbia, reproductive isolation is not complete and occasional populations of intergrades occur.
Marginal localities with regard to life-zone produce most of the populations which seem to represent intergrades between the two subspecies.
Farther south in the Rocky Mountain chain, obscurus seemingly intergradesregularly with vagrans.
It intergrades with a somewhat larger, grayer shrew in the Sierra Nevada of California.
In southern British Columbia some populations are clearly intergrades while at 6 mi.
This montane form intergrades with a smaller more reddish Great Basin shrew, the zone of intergradation roughly following the western slope of the Rocky Mountains.
Those specimens from Blue Ridge, on the crest of the San Gabriels, are intergrades between the coastal race macrotis and simplex of the desert slope.
Those from Blue Ridge tend toward sonoriensis in color, and may be considered as intergrades between this subspecies and gambeli.
Indeed, were it not for actual intergrades such as the two from Fort Payne, Alabama, and York, South Carolina, which are described in the account of M.
Additional intergrades with noveboracensis are available from eastern Iowa.
I conceive of topotypes of streatori as being nontypical of the subspecies; they areintergrades with fallenda.
In no instance, however, has there been found in these intergrades any character other than those occurring in one or the other of the two parent races.
Because the two differ more than do most subspecies of ermine whose ranges meet, some of the intergrades at first inspection appear to be widely different from either parent stock.
Intergrades with longicauda are available from Riley and Pratt counties, Kansas.
Subsequently, specimens which here are regarded as intergrades between altifrontalis and nevadensis, were classified as washingtoni.
Two specimens, here referred to muricus, from Siskiyou County, California, in both color and cranial characters, areintergrades with streatori and might be referred with almost equal propriety to streatori.
Although actual intergrades are lacking between alascensis and the two races just mentioned I have no doubt that intergradation occurs with richardsonii and think it probably does also with arctica.
Three specimens referred to noveboracensis but which at the same time are regarded as intergrades with olivacea are as follows: No.
On the northern boundary of the range of richardsonii along the western shore of Hudsons Bay for perhaps a hundred miles north of Eskimo Point, there are intergrades with arctica.
To the north, handleyi intergrades with nigrescens.
E Salama, Guatemala, are intergrades between handleyi and grisescens, but show more resemblance to the latter and, therefore, are referred to that subspecies.
The Pine Forest Mountains are isolated from neighboring boreal regions by a belt of the Upper Sonoran Life-zone, which is inhospitable to Zapus; therefore, intergradesbetween Z.
Two specimens from southern Illinois (Perry County) areintergrades between Z.
The area of intergradation between the two subspecies is relatively broad, considering all the characters mentioned, and assignment of some intergrades is admittedly difficult.
To us, they appear to be intergradesbetween aztecus and dychei, but to bear closer resemblance to the former, and we tentatively regard caryi as a synonym of aztecus.
Specimens from southwestern Kansas and adjacent Oklahoma, herein referred to aztecus, also areintergrades with dychei.
In general, these intergrades resemble dychei to a greater degree than aztecus and are accordingly assigned to the former.
The subspecies mesamericana probably intergrades with Didelphis virginiana virginiana by way of D.
No specimens could, with certainty, be classed as intergrades between longala and nivalis, but it is thought that intergrades will be found in western San Luis Potosi or in Zacatecas or in both states.
Myotis velifer from Roosevelt, Arizona, to be intergradesbetween M.
Great Plains, and therefore, with reference to size, are not intergrades between these subspecies.
Robertson, appear to be intergrades between the subspecies campestris and intermedius, but resemble the former more closely than the latter.
Our specimens are intergrades between Perognathus fasciatus fasciatus and the paler P.
In general the intergrades tend to resemble floridanus in small size externally and intermedius in large size of skull.
The specimens seen from Louisiana seem to be intergrades between intermedius and floridanus but clearly are assignable to the latter.
Indeed, it is probable that it intergrades with the Texas animal.
Intergrades of pallida, castanogastris, and squamata are present in the central part of the State.
I suspect that the specimens from the Sierra Guadalupe areintergrades between lloydi and iulus.
Possibly typical representatives of aphrasta and/or intergrades between aphrasta and diaphora are present in western Coahuila; however, no records of E.
Coahuila; all of the specimens of Loggerhead Shrike from Coahuila that I have examined are intergrades between mexicanus and excubitorides.
The center of the State is occupied by intergrades between A.
Coahuila occur only in the extreme northeastern section of the State, and most specimens of the Scaled Quail from northeastern Coahuila are intergrades between pallida and castanogastris.
Similar intergrades also occur in the New Forest, Hampshire, the Dover district of Kent, and probably elsewhere.
Between these {260} extremes and the more typical forms all kinds of intergrades occur, but it is not possible here to discuss these in detail.
The two specimens examined, an adult female and a young male, from the barrier beach 33 miles south of Washington Beach are intergrades between L.
He regarded specimens from Tamaulipas as intergrades between S.
This could be interpreted in two ways: (1) these four specimens can be regarded as intergradesbetween angustapalata and micropus, in which case the former species should be placed as a subspecies of the latter.
Bishop and Mr. Brewster showed me two long series of Helminthophila containing various intergrades between the four named kinds, and details regarding these may be found in Chapman's North American Warblers and in Dr.
When the two forms are found co-existing in the same area they are usually recorded as one species if intergrades are observed, and as two species if the intergrades are absent.
It is not stated whether the collector took these at random, but from the local lists it is clear that the types are found not far away from the place where the intergrades were shot.
In the provinces of Nepal, Sikhim, and Darjiling the two species coexist, with the result that intergrades have been frequently recorded.
Between this and cafer intergrades have, according to Allen, not been found.
The male of nuchalis intergrades with this type, but the female does not.
The intergrades between the two have, as usual, received specific names.
It must be noted, however, that no actual intergrades between E.
Specimens from the Chuska Mountains, Zuni Mountains, and Blanco, New Mexico, are intergrades between E.
Topotypes of this subspecies are intergrades between it and E.
In length and shape of the nasals, degree of inflation of the auditory bullae and width of the interorbital region these specimens from the upper reaches of the South Canadian River are intergrades between D.
In the part of the range which lies in Utah, none of the animals is typical and all are intergrades in color and cranial characters with Dipodomys ordii celeripes.
Animals from 16 miles northwest of Moab, Utah, and from three localities in Colorado, even thoughintergrades with D.
San Juan and Colorado rivers, but to the east it intergrades freely with adjacent subspecies.
Practically all of the Nevadan specimens referable to this subspecies are intergrades with Dipodomys ordii columbianus in size and color.
Intergrades with Dipodomys ordii utahensis are discussed under the account of that subspecies.
The normal range of Grinnell's Jay, as defined, extends northward to the Columbia River; and since the district lying between the Columbia and Puget Sound presents intergrades between C.
Resident west of Cascades; characteristic of wet lowlands and borders of streams; intergrades with typicus on east slopes of Cascade Range.
Fort Sherman, Idaho, near our eastern boundary, were doubtfully referred to this subspecies, and really represent intergradesbetween homorus and gairdnerii.
East-side, not uncommon resident, especially in valleys of more heavily timbered section; intergradeswith next form on eastern slopes of Cascades.
This is the race resident in southwestern Idaho, and it intergrades with the two following forms.
Resident in eastern Idaho; intergradeswith the next two races.
We have not seen any specimens that are intergrades between P.
Specimens of this subspecies from the area between the Uinta Mountains and the mountains of the Wyoming and Wind River ranges, are clearly intergrades between E.
Specimens from western Sweetwater County and northwestern Uinta County areintergrades between E.
The third species, Neotoma cinerea, is represented by two individuals from below the actual rim of the mesa; they areintergrades between the lowland and highland subspecies.
Gunnison County, Colorado, is almost identical in color to the two specimens from Saguache County regarded by Cockrum and Fitch as intergrades between C.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "intergrades" in a variety of sentences. We hope that you will now be able to make sentences using this word.
