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The next Meeting of the Society for Scientific Business will 

 be held on Tuesday, the 20th March, 1906, at half-past Eight 

 o'clock P.M., when the following communications will be made :— 



1. Mr. G. A. K. Marshall, F.Z.S.— A Monograph of the 

 Coleoptera, of the Genus Sciobiics. 



2. Dr. Hans Gadow, F.E.S.— A Contribution to the Study of 

 Evolution based upon the Mexican Species of Cnemidophorus. 



3. Mr. Percy I. Lathy, F.Z.S. — On Three new Forms of 

 Butterfly of the Genus Heliconius. 



The following Papers have been received : — 



1. Mr. C. Tate Regan, F.Z.S.— The Freshwater Fishes of the 

 Island of Trinidad, based on the Collection, and Notes and 

 Sketches, made by Mr. Lechmere Guppy, jun. 



2. Prof. J. Arthur Thomson and Mr. W. D. Henderson. — The 

 Marine Faima of Zanzibar and British East Africa from Collections 

 made by Cyril Crossland in the Years 1901-2. Alcyonaria. 



3. Dr. J. F. Gemmill. — Cyclopia in Osseous Fishes. 



4. Dr. J. F. Gemmill. — ISTotes on Supernumerary Eyes, Local 

 Deficiency and Reduplication of the Notochord in Trout Embryos. 



Communications intended for the Scientific Meetings of the 

 Zoological Society of London should be addressed to 



P. CHALMERS MITCHELL, Secretary. 



' 3 Hanover Square, London, W. 

 Vith March, 1906. 



