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Show 434 MR. G. A. BOULENGER ON THE [May 8, HALLOWELL, E.-"Notice of a Collection of Beptiles from the Gaboon County, West Africa, recently presented to the Academy of Natural Sciences of Philadelphia by Dr. Henry A. Ford"." Proc. Acad. Philad. 1857, pp. 48-72. PETERS, W., and BUCHHOLZ, B.-" Zweite Mittheilung fiber die in West Africa gesammelten Amphibien." Mon. Berl. Ac. 1867, pp. 117-123. [Mostly from the Gaboon and Ogowe.] GUNTHER, A.-" Beport on a Collection of Beptiles and Fishes made by Miss M. H. Kingsley during her Travels on the Ogowe Biver and in Old Calabar." Ann. & Mag. N. H. (6) xvii. 1896, pp. 261-285. MOCQUARD, F.-" Sur une Collection de Beptiles recuillie par M. Haug a Lambarene." Bull. Soc. Philom. (8) ix. 1897, pp. 5-20. For the nomenclature and synonyms I must refer the reader to the British Museum Catalogues. I have added references to publications issued since the appearance of these general works. Mr. Bates's discoveries have enriched herpetology with 5 new genera and 13 new species, some of which are of special morphological interest. The discovery of Hymenochirus and Cardio-glossa has extended our knowledge of geographical distribution by adding African representatives to the families Pipidce and Dendrobatidce, the former having been based on the single South- American genus Pipa, the latter being hitherto regarded as characteristic of Tropical America and Madagascar. I wish to record my thanks to the Board of Curators of the Philadelphia Academy of Natural Sciences for the loan of type specimens described in 1857 by the late Dr. Hallowell. BATRACHIA. APODA. 1. UR^OTTPHLUS SERAPHINI A. Dum. Hab. Gaboon. 2. HERPELE SQUALOSTOMA Stutchbury. Hab. Gaboon. ECAITDATA. DACTYLETHRIDiE. 3. XENOPUS CALCARATUS Ptrs. Hab. West Africa, from Liberia to the Congo. One of the specimens collected by Mr. Bates on the Benito Biver has been prepared as a skeleton. There are only seven prsecaudal vertebrae, the first being formed by the fusion of two (as is clearly proved by the large nerve-foramen in front of the diapophysis). |
