In animals it is only known as yet that spermatozoa and ova do attract each other, so that the former find the latter and bore their way through its membranes.
We must not expect to succeed in all of them, for in most cases the investigation cannot be completed, chiefly because the condition of the part in question in the ancestors is not known or is only known in an insufficient manner.
No statistics as to the amount of destruction suffered by the young are available, and even the number of eggs produced annually is only known for a few species.
The acid is only known in aqueous solution, and only dilute solutions can be distilled without decomposition.
The Brutus is only known from 15th-century transcripts of the lost cod.
OH, chlorochromic acid, is only known in the form of its salts, the chlorochromates.
There was a heavyish stake on that throw, if we'd only known.
There are tracks through the endless mallee scrub, only knownto the tribes in the neighbourhood, and a few half-castes like Warrigal, that have been stock-riding about them.
The skull is only known by a part of the lower jaw with teeth, and by the teeth of the upper jaw.
The case is curiously analogous to that of the Camel, which also is only known as feral or domesticated.
The cervical vertebrae, only known by their centra, are like those of the Armadillos (and for the matter of that of the Whales) in the great transverse as opposed to the antero-posterior diameter.
It is only known by a single example found wandering about a courtyard in a town of Peru.
This genus, which is only known in a fossil state, abounds in inferior Oolite, Oxford clay, and casts are found in a limestone bed in Norway.
This genus, one species of which is spinous, and another smooth, is only known in a fossil state.
This genus, which is only known in a fossil state, is distinguished from Terebratula externally, by the flat area in one valve, internally, by the singular spiral process from which the above name is derived.
I saw him by an ageing shape Where beauty used to be; That his fond phantom lingers there Is only known to me.
I saw him in a crumbled cot Beneath a tottering tree; That he as phantom lingers there Is only known to me.
I saw her in a tomb of tomes, Where dreams are wont to be; That she as spectre haunteth there Is only known to me.
If I'd only known I should be let in for this, I'd have brought dress-clothes.
Two letters of Columbus respecting his third voyage are only knownin early copies; one in Las Casas's hand belonged to the Duke of Orsuna, and the other addressed to the nurse of Prince Juan is in the Custodia collection at Genoa.
Whether I shall ever get about again is only known to HIM, the Great Unknown, whoso creature I am.
Whether I shall ever get about again, is only known to Him, the Great Unknown, whose creature I am.
In Ireland, again, this Gull is a very local breeder, and is only known to nest in one or two localities.
Unfortunately for the seaside student of bird life, the Great Northern Diver is only known as a winter visitor.
Under these circumstances, Tom, had he only known it, might have walked abroad in the light of day, and put in immediate practice any schemes he had on hand.
In the work already referred to, "Gripla" (only known in a late MS.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "only known" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.