The Variation of Animals And Plants Under Domestication V. 2
The Variation of Animals And Plants Under Domestication V. 2
Darwin, Charles, 1809-1882
The book The Variation of Animals And Plants Under Domestication V. 2 was written by author Darwin, Charles, 1809-1882 Here you can read free online of The Variation of Animals And Plants Under Domestication V. 2 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Variation of Animals And Plants Under Domestication V. 2 a good or bad book?
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The «\1 \¥K obtumtor-notcli in W I vIl\ sometimea, as in many Tumblers, less developed than in the rock-pigeon. The ridges on the ihnm are very prominent in most Runts, In the bones of tlie extremitiea I could detect no difference, _ except in their pro- Fife, sa^a^puii^. of wdjuvx. portional lengths ; aij». A. kock-pigpon. u, for instance, the Short^fflcedTmuWer- metatarsns in a Pouter was 1-65 inch, aiid in a Short-faced Tumbler only *95 in length ; and this is a greater difference than would... naturally follow froto their differently-sized bodies ; but long legs in the Pouter, and small feet in the Tumbler, are selected points In Eome Pouters the fcapti^a is rather etraighter, and in some Tumblers it is stniighter, with the apex leas elongated, thaji in the rock-pigeon : in the woodcut, fig. 28, the seapul® of the rock-pigeon (a), and of a short-faced Tumbler (b), are given. The processes at the summit of the coracoid, which receive the extremities of the furculumi form a more perfect cavity in some Tumblers than m the rock-pigeon : in Pouters these processes are larger and dif- ferently shaped, and the exterior angle of the extremity of the eoracoid, which is articulated to the sternum, is Kquarer, The two arms of the furculum in Ponierg diverge less, proportionally to their length, than in the rock-pigeon ; and the symphysis is more solid and pointed.
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