File:A treatise on zoology (1900) (14760547026).jpg

Identifier: treatiseonzoolo09lank (find matches)
Title: A treatise on zoology
Year: 1900 (1900s)
Authors: Lankester, E. Ray (Edwin Ray), Sir, 1847-1929 Bather, Francis Arthur, 1863-1934 Goodrich, Edwin S. (Edwin Stephen), 1868-1946
Subjects: Zoology
Publisher: London : A. & C. Black
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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Fig. .30-2.Cetomimus Gillii, G. and B. (From Jordan and Evermann.) The Cyprinodonts, which are often of extremely small size,frequently exhibit remarkable sexual differences, the male beingsmaller and more brilliant in colouring. In the male the anal finmay be modified to serve as an intromittent organ (Fig. 393). Theyare often viviparous. Procatopus is distinguished by having the pelvic fins far forwardbelow the pectorals, and A7iable2)s by a remarkable adaptation of itseyes for seeing both in the air and in the water as it swims at thesurface, the cornea being divided into two dissimilar halves (Fig. 394). ESOCIFORMES 401 Group A. Carnivoroua ; with strong jaws and short intestine.^?ja6iej«, Art. (Fig. 394); America. G?rt??i6«sw(, Poey (Fig. 393) ; America.Orestias, C. and V. ; mountains of S. America. Prolehias, Sauv.; andPachylebias, A. S. W.—Miocene, Europe. Gyininodon., Lac. ; America and ,--^:<^5g^
Text Appearing After Image:
Fig. 303.Gamhusia affinif:, Bid. and Gnl., male. (From Jordan and Evennann.) Mediterranean region. Ilajdochilus, MCl. ; America, India, Africa.Fundulus, C. and V. ; Europe, America, Africa. Group B. Mud-eating ; with long convoluted intestine and weakjaws. Poecilia, Gthr. ; Mollienesia^ Les.; PlatyjMecilus, Gthr.; Girardinus,Poey—S. America. Family Amblyopsidae. Closely related to the Cyprinodonts ; butwith a scarcely protractile mouth, and pelvic fins vestigial or absent.The anus moves forward to near the head. Viviparous.

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