. Elements of zoology, to accompany the field and laboratory study of animals. Zoology. THE FliOG 339 its vibrations are conveyed to the inner ear by a single rod instead of tlie flexible chain present in man. Families of Urodela. — Of the American Urodela/ the mud-eel, or Siren, of the Southern States has external gills and persistcmt giU-glits. This species becomes sixty centimetres long and snake-hke, has lost its hmd legs, and is of a dark lead color (Fig. 317). It is needlessly feared by the negro rice cultivators, who slaughter it in great Fri. 318 n. — Typlilomolge, a blind,
. Elements of zoology, to accompany the field and laboratory study of animals. Zoology. THE FliOG 339 its vibrations are conveyed to the inner ear by a single rod instead of tlie flexible chain present in man. Families of Urodela. — Of the American Urodela/ the mud-eel, or Siren, of the Southern States has external gills and persistcmt giU-glits. This species becomes sixty centimetres long and snake-hke, has lost its hmd legs, and is of a dark lead color (Fig. 317). It is needlessly feared by the negro rice cultivators, who slaughter it in great Fri. 318 n. — Typlilomolge, a blind, neeturus-like salamandrr from tho caves of Texas. Photo, from life. After W. W. Norman, from "The American ; The mud-puppy (Necturus), frequently known also as water- dog, is found from the Hudson River to the Mississippi Valley, and is very abundant in the Great Lakes. Its external gills are very large, and red with the blood flowing in them. It feeds on small water animals. In April or May it lays eggs about the size of a pea. A curiously modified form of Nec- turus occurs in caves of North America (Fig. 318). An- other member of this familj' is the cave " olm " of western Austria. The Congo snake (Amphiumidse) is found in the Carolinas and Gulf States. This black, snake-like urodele is about a metre long, and lives in bayous and muddy ditches (Fig. 319). It has the entirelj' undeserved reputation of being injurious. ^ oura, tail ; deJos, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Davenport, Charles Benedict, 1866-1944; Davenport, Gertrude Anna Crotty, 1866- joint author. New York, Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1911
