LIST OF CONTENTS. 



1903.— Vol. II. 

 Paet I. 



■ May 12, 1903. 



Page 

 The Secretary. Eeport on the Additions to the Society's Menagerie in April 19Q3 ...... 1 



Mr. Frank Finn, F.Z.S. Exhibition of drawings of, and remarks upon, an abnormal pair 



of horns of the Barking-Deer, Cervulus munfjac 



'> 



Mr. Frank Finn, F.Z.S. Exhibition of, and remarks upon, specimens of the Goldfinch 

 {Carduelis carduelis) and the Euff (Pavoncelia pugnax) showing variation in coloration 

 of plumage ■ ^ 



Mr. F. E. Beddard, F.E.S. Exhibition of some preserved and injected brains of Mammals. 4 . 



1. A Contribution to the Study of Double Monstrosities in Fishes. By James F. Gemmill, 



M.A., M.D., Lecturer in Embryology, Glasgow University. (Plates I.-IV.) 4 



■2. The Metamorphoses of the Decapod Crustaceans Mgeon (^Crangon) fasciatus Eisso and 

 Mgedn (Crangoii) trispinosiis (Hailstone). By Robert Gurney, B.A., F.Z.S. (Plates 

 V. & VI.) , 24 



3. Descriptions of New Species of South American Ooleoptera of the Family Clirysomeiida. 



By Martin Jacoby, F.E.S • 30 



4. On a Collection of Fishes made by Dr. Goeldi at Rio Janeiro. By 0. Tate Regan, B.A. 



(Plates VII. & VIII.) m 



May 26, 1903. 



1. List of the Batrachians and Reptiles collected by M. A. Robert at Chapada, Matto 



Grosso, and presented by Mrs. Percy Sladen to the British Museum. (Percy Sladen 

 Expedition to Central Brazil.) , By G. A. Boulengek, F.E.S., V.P.Z.S 69 



2. Note on some Mollusks of the Family Bulimulida from Matto Grosso. (Percy Sladen 



Expedition to Central Brazil.) By Edgae A. Smith, I.S.O., F.Z.S 70 



3. The Present State of Knowledge of Colour-heredity in Mice and Eats. By W. Bateson, 



M.A., F.E.S., F.Z.S., Fellow of St. John's College, Cambridge .' 71 



4. On the Marine Fauna of Zanzibar and British East Africa, from Collections made by 



Cyril Crossland in tlie Years 1901 and 1902.— Turbellaria Polycladida. Part I. The 

 Acotylca. By F. F. Laidlaw, B.A.Cantab., Assistant Demonstrator and Lecturer in 

 Biology in the Owens College. (Plate IX.) 99 



Contents continued on page 3 of Wrapjpcr. 



