LIST OF CONTENTS. 



PART II.— 1894. 



March 6, 1894. 



Page 

 Dr. J. W. Gregory. Remarks 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 105 



1. X ute on Three Species of River crabs of the Genus Thelphma, 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 Bell, M.A lfifi 



2. On the Hemiptera-Heteroptera of the Island of Grenada. West Indies. By P. R. Uiiler . 1(17 



3. On new Species of Heterocera from Tropical America. By W. Scfiaus. F.Z.S 22b 



4. On tbe Habits of the Flying-Squirrels of the Genus Anomalurm. By W. H. Adams . . 243 



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



By W. Bateson, 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 gavrus) 249 



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



with remarks upon their affinities 250 



Contents continued on page 3 of Wrapper. 



