1910–1911
Britannica 11th
Encyclopaedia Britannica · 11th edition
SURINAM TOAD (Pipa americana), an aglossal tailless Batrachian, rendered famous by its mode of reproduction, first observed in 1710 by the Dutch anatomist F. Ruisch. It inhabits South America east of the Andes and north of the Amazons, and is thoroughly aquatic. In its extremely flattened head it is paralleled by two other vertebrates only, which, curiously, inhabit the same parts of South America, viz. the Silurid fish Aspredo balrachus and the Chelonian Chelys matamata; the end of the snout and the angles of the …
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- Vol. 26, pp. 136-136