. The tailless batrachians of Europe. Frogs; Amphibians. e^ ^â "n /'\ r^^ f-A '\^ V Mi"«> fA'] t ... D Sections ttrougli tlie niaptial asperities of males, miicli en- larged (after F. Lataste). A. Itana temporaria. B. Bana esculenta. c. Bufo vulgaris, u. Bufo calamita. e. Disco- gloasus pictus. p. Bombinator pacliypus. The males of most of our Batrachians make them- selves conspicuous during the pairing time by their voice, whether they be provided with vocal sacs or not. Although there are some, Bana esculenta and Hyla, in which the clamour is not restricted to the breeding seas
. The tailless batrachians of Europe. Frogs; Amphibians. e^ ^â "n /'\ r^^ f-A '\^ V Mi"«> fA'] t ... D Sections ttrougli tlie niaptial asperities of males, miicli en- larged (after F. Lataste). A. Itana temporaria. B. Bana esculenta. c. Bufo vulgaris, u. Bufo calamita. e. Disco- gloasus pictus. p. Bombinator pacliypus. The males of most of our Batrachians make them- selves conspicuous during the pairing time by their voice, whether they be provided with vocal sacs or not. Although there are some, Bana esculenta and Hyla, in which the clamour is not restricted to the breeding season, most others are comparatively mute outside that period, and the vocal sacs undergo a sort of regression, as is especially noticeable in Rana temporaria and Bufo 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 Boulenger, George Albert, 1858-1937. London, Printed for the Ray society
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Keywords: ., bookcentury1800, bookdecade1890, booksubje, booksubjectamphibians
