. Elements of zoology, to accompany the field and laboratory study of animals. Zoology. 342 ZOOLOIiY water. The larviae of the more southern species often reach a size considerably larger than the adult, and breed before the gills are absorljed. In a ^lexican species the larval state is never passed. The larva of Aniljlystoma (Fig. .321) was for- merly described, indeed, as a chstinct species under the name of Fig. 322. â The red-backed salamander (Plethodoii) : A, dorsal view ; B, lateral view. Nat. size. From life. The newts' (Plethoclontidaj - and Desmognathidie â ') include a num


. Elements of zoology, to accompany the field and laboratory study of animals. Zoology. 342 ZOOLOIiY water. The larviae of the more southern species often reach a size considerably larger than the adult, and breed before the gills are absorljed. In a ^lexican species the larval state is never passed. The larva of Aniljlystoma (Fig. .321) was for- merly described, indeed, as a chstinct species under the name of Fig. 322. â The red-backed salamander (Plethodoii) : A, dorsal view ; B, lateral view. Nat. size. From life. The newts' (Plethoclontidaj - and Desmognathidie â ') include a number of small Urodeles, ha\'ing a close general resem- blance and similar habits. Pletliodon, of the eastern United vStatcs, is lead-colored above, very often with a broad, red dorsal band (Fig. 322). It is found under logs, and is very active. Spelerpcs is lemon-yellow and white below, and Desmognathus is lirown abo^'c, with gray or ^ Newts may be captured by sweeping with a net the nuuUh' bottoms of small, spring-fed pools. They can be kept for months in an at]uarium, where they should l^e fed thrice a week with earthworms or freshly chopped beef. 2 plethos, abundance ; odonlos, tooth. 3 desmos, bond ; gnathos, 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