...niatas cannot so well do, as their lips do not join, and hence they are found to perish before the common cattle. This strikes me as a good illustration...rarity or extinction of a species may be determined. November 19th.—Passing the valley of Las Vacas, we slept at a house of a North American, who worked...

...niatas cannot so .well do, as their lips do not join, and hence they are found to perish before the common cattle. This strikes me as a good' illustration...rarity or extinction of a species may be determined. November \9th.—Passing the valley of Las Vacas, we slept at a house of a North American, who worked...

...their lips do not join, and hence they are found to perish before the common cattle. This strikes mo as a good illustration of how little we are able to...rarity or extinction of a species may be determined. November 19th.—Passing the valley of Las Vacas, we slept at a house of a North American, who worked...

...their lips do not join, and hence they are found to perish before the common cattle. This strikes me.as a good illustration of how little we are able to judge from the ordinary habits of life, fA nearly similar abnormal, but I do not know whether hereditary, structure has been observed in the...

...their lips do not join, and hence they an found to perish before the common cattle. This strikes mt as a good illustration of how little we are able to judge from the ordinary habits of an animal, on what eircunistan«-?, occurring only at long intervals of time, its rarity or extinction...

...niatas cannot so well do, as their lips do not join, and hence they are found to perish before the common cattle. This strikes me as a good illustration...little we are able to judge from the ordinary habits of lift 1 , * Mr. Waterhouse has drawn up a detailed description of this head, which I hope he will publish...

...niatas cannot so well do, as their lips do not join, and hence they are found to perish before the common cattle. This strikes me as a good illustration...little we are able to judge from the ordinary habits of an animal, on what circumstances, occurring only at long intervals of time, its rarity or extinction...

...hence they are found to perish bt-fiinthe common cattle. This strikes me as a good illustration ''f how little we are able to judge from the ordinary habits of life, * Mr. Waterhousc has drawn up a detailed description of this bmA, which I hope lie will publish in...

...niatas cannot so well do, as their lips do not join, and hence they are found to perish before the common cattle. This strikes me as a good illustration...are able to judge from the ordinary habits of life, tA nearly similar abnormal, but I do not know whether hereditary, structure has been observed in the...

...their lips do not join, rendering them unable to browse on twigs/*" This strikes me," says Darwin, " as a good illustration of how little we are able to...rarity or extinction of a species may be determined." By the time this appeared, however, in 1845, tlle author had embarked on his great investigation. The...