ARKIV FÖR ZOOLOCtI. BAND 2. N:o 20. Batrachians from Cameroon collected by Dr. Y. Sjöstedt in the years 1890—1892. By L. GABR. ANDERSSON. With I plate and 1 figui'e in the text. Communicatect April l-2th by Hj. Théel and E. Lönnberg. The rich and very well preserved collection of batrachians brought home m 1892 from Cameroon by Professor Y. Sjöstedt and at present kept in the zoological museum of Gothenburg, was placed at my disposal through the kindness of the late director of this museum Dr. A. Stuxberg and my friend Mr. J. Sjöstedt, to whom I want to express my great gratitude. The collection contains 203 specimens representing 24 species, three of which seem to me to be new. Preliminarily I have described them in a paper : ' 'Neue Batrachier aus Kamerun von den Herren Dr. Y. Sjöstedt und Dr. R. Jungner gesammeW in Verhandl. d. k. -k. zool. bo tan. Gesellsch. in Wien. 1903, p. 141, and now giving the figures I repeat the descriptions as well, in order to have figures and descriptions in the same place. Beside these three new species I have also established a new form of the genus Arthroleptis, which, for the present, I have placed as a variety of A. variabilis Matschie, though perhaps it ought to be regarded as a distinct species. In the list of the 24,true species Hylamhates hrevirostris Werner is not counted, represented in the collection by three Arkio för zoologi. Bd 2. N:o 20. 1
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