... anus. I am prepared to assert positively that this is the case,142 for I made repeated longitudinal sections of the ... anal orifice. Singular as this fact is, it is not so improbable as it at first appears; inasmuch as I have shown, in ...
The Works of Charles Darwin: v. 2: Journal of Researches into the Geology and Natural History of the Various Countries Visited by HMS Beagle (1839)
... Gaucho picks out a full-grown colt; and as the beast rushes round the circus, he throws his lazo so as to catch both ... knot. The lazo, which bound the three together, being then loosed, the horse rises with difficulty. The Gaucho now ...
The Works of Charles Darwin: Vol 26: The Different Forms of Flowers on Plants of the Same Species
Paul H Barrett. the form of a cap . These cleistogamic flowers produced an abundance of seed . Later in the season perfect flowers appeared . With plants in a state of nature the flowers open only in the early morning , as I have been ...
The Works of Charles Darwin: Vol 15: On the Origin of Species
... hybrid offspring was much increased in size; and this shows that the rudiment and the perfect pistil are essentially alike in nature. An organ serving for two purposes, may become rudimentary or utterly aborted for one, even the more ...
The Works of Charles Darwin: Vol 27: The Power of Movement in Plants (1880)
... EPINASTY – HYPONASTY The term epinasty is used by De Vries2 to express greater longitudinal growth along the upper than / along the lower side of a part, which is thus caused to bend downwards; and hyponasty is used for the reversed ...
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