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单词 genus Equus
例句 genus Equus
Thus, to select only two illustrations within the limits of genera, it is a diagnostic feature of the genus Equus that small warty callosities occur on the legs. Darwin, and After Darwin, Volume 2 Post-Darwinian Questions: Heredity and Utility 2011-10-16T02:00:14.153Z
According to the older classification this family was taken to include only the forms with tall-crowned teeth, more or less closely allied to the typical genus Equus. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" 2011-02-27T03:00:31.973Z
There had, it is true, been horses in America previously,—belonging to the genus Equus, perhaps even to the species caballus,—they had, however, been long extinct, and no memory of them remained. The Old Riddle and the Newest Answer
Hybrids in the genus Equus are very common. The Stock-Feeder's Manual the chemistry of food in relation to the breeding and feeding of live stock
Compare the race-horse, dray-horse, and a Shetland pony in size, configuration, and disposition; and see how much greater the difference is than between the six or seven other living species of the genus Equus. The Variation of Animals and Plants Under Domestication, Vol. I.
Compare the race- horse, dray-horse, and a Shetland pony in size, configuration, and disposition; and see how much greater the difference is than between the seven or eight other living species of the genus Equus. The Variation of Animals and Plants under Domestication — Volume 1
Your cases are like those on the gradation in the genus Equus, recently discovered by Marsh in North America. More Letters of Charles Darwin — Volume 1
For instance, the genus Equus appears in the Upper Siwalik beds, which have been ascribed to the Miocene age. The Old Riddle and the Newest Answer
I have been so much interested this morning in comparing all my notes on the variation of the several species of the genus Equus and the results of their crossing. Life and Letters of Charles Darwin — Volume 1
The genus Equus, or at least our modern horse, Equus caballus, can be traced no further back than the Post-tertiary period. The Old Riddle and the Newest Answer
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