Title: Aquatic life
Identifier: aquaticlife419181919baus (find matches)
Year: 1918-1919 (1910s)
Authors: Bausman, Joseph E
Subjects: Aquariums; Fish culture
Publisher: Philadelphia : J. E. Bausman
Contributing Library: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Digitizing Sponsor: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library

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128 aquatic JLitt smooth in these small chelonians, oval in outline, and devoid of any projecting bor- der. On an average they possess a length of some five inches, with a corresponding width, while their general coloration is a dark brown, with but very few markings of any kind. We have three species of Musk Turtles Aromochelys), and they are confined to odor, given off whenever the animal is angry or excited. It ranges from lower Canada to the Florida peninsula and westward to the Rockies. It quite closely resembles the Southern Musk Turtle (A. tristycha), which is found from Georgia westward to Texas, and in all the Gulf States. In A. carinatus, the Keeled Musk Tur- tle, the gray head is speckled all over
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Cinosternum pennsylvanicum Common Mud Turtle eastern North America. In them the plastron is extremely narrow, and af- fords but indifferent protection to the body and limbs. Our common Musk Turtle is here shown in Figure 4, somewhat reduced; it is easily recognized by the two yellow stripes on either side of its head, and by the unkeeled carapace. Its scientific name is Aromochelys odoratus, which is well deserved on account of its musky with small, round, dark-colored spots— black in some individuals, while its cara- pace is conspicuously keeled. We meet with it in favorable localities from Geor- gia to eastern Arizona. Sufficient material is now in the hands of science with respect to the genus Aro- mochelys to make more or less extensive comparisons of the three species referred to above, as well as with those of the forms inhabitating certain parts of the

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