Contents (continued). 



March 20, 1906 {continued). 



Page 

 Dr. Walter Kidd, F.Z.S. Exhibition of lantern-slides of sections of skin from the palmar 



and plantar surfaces of Mammals 231 



Mr. Oldfield Thomas, F.R.S. Description of a new subspecies of Bear, Ursiis arctos shanorum, 231 



Mr. E. E. Holding. Exhibition of, and remarks upon, specimens illustrating anomalies 



and variations in teeth 233 



1. Note on Deaths occurring in the Society's Gardens daring 1905. By C. G. Seligmann, 



M.B., M.R.C.P 234 



2. A Monograph of the Coleoptera of the Genus Sciobius Schh. (Curculionidse). By Guy A. 



K. Marshall, F.Z.S. (Plates XVIII. & XIX.) 236 



3. A Contribution to the Study of Evolution based upon the Mexican Species of Cnemido- 



pJiorus. By Hans Gadow, F.R.S., F.Z.S. (Plate XX.) 277 



April 10, 1906. 



Mr. F. E. Beddard, F.R.S. Exhibition of, and remarks upon, a dissected specimen of the 



Lizard Trach/scmrus rugosus showing abdominal ribs 376 



Mr. R. I. Pocock, F.Z.S, Exhibition of the skull of a Horse showing preorbital pits .... 377 



1. On the Fresh-water Fishes of the Island of Trinidad, based on the collection, notes, 



and sketches made by Mr. Lechmere Guppy, Junr. By C. Tate Regan, B.A., F.Z.S. 

 (Plates XXI.-XXV.) 378 



2. The Marine Fauna of Zanzibar and British East Africa, from Collections made by 



Cyril Crossland, M.A., B.Sc, F.Z.S., in the years 1901 and 1902.— Alcyonaria. By 

 Prof. J. Arthur Thomson, M.A., University of Aberdeen, and W. A. Henderson, 

 M.A., B.Sc, Carnegie Fellow, University of Aberdeen. (Plates XXVI.-XXXI.) .... 393 



3. On Cyclopia in Osseous Fishes.^ By James F. Gem.mill, M.A., M.D. (Plate XXXII.) . 443 



4. Notes on Supernumerary Eyes, and Local Deficiency and Reduplication of the Notochord 



in Trout Embryos. By Ja.mes F. Gemmill, M.A., M.D. (Plate XXXIII.) 449 



5. On Three New Forms of Butterfly of the Genus Heliconius. By Percy I. Lathy, F.Z.S., 



F.E.S. (Plate XXXIV.) ,452 



Index 455 



Titlepage i 



List of Council and OfEcei-s ii 



List of Contents iii 



Alphabetical List of Contributors ix 



List of Plates xvii 



List of Test-figures xis 



List of New Generic Terms xxii 



