LIST OF CONTENTS. 



PART II.— 1894. 



March 6, 1894. 



Page 

 Dr. J. W. Gregory. Eeuiarks on the factors that appear to have influenced Zoological 

 Distribution in Africa, and exhibition of, and remarks upon, a series of photographic 

 slides, illustrative of his recent expedition to Mount Kenia 165 



1. Note on Three Species of River crabs of the Genus Tkelphusa, from Specimens collected 



in Eastern Africa by Dr. J. W. Gregory, Mr. H. H. Johnston, C.B., and Mr. F. J. 

 Jackson. By F. Jeffrey BEr.L, M.A. .' 166 



2. On the Hemiptera-Heteroptera of the Island of Grenada, West Indies. By P. R. U,[ler . 167 



3. On new Species of Heterocera from Tropical America. By W. Schaus, F.Z.S 22o 



i. On the Habits of the Flying-Squirrels of the Genus Anomalurus. By W. H. Ada.ms . . 243 



.i. On two Cases of Colour-variation in Flat-fishes illustrating principles of Symmetry. 



By \V. B.\TESO\, M.A.. Fellow of St. John's College, Cambridge. (Plate XVII.). . 246 



March 20, 1894. 



The Secretary. Exhibition of, and remarks upon, a photograph of a young male Gaur or 



Indian Bison (Bos c/aurus) ^ o^g 



Dr. R. W. Shufeldt, C.M.Z.S. On the Osteology of certain Cranes, Rails, and their Allies 



with remarks upon their afiinities r ' 250 



Contents continued on page 3 of Wrapper. 



