LIST OF CONTENTS. 

 PART I.— 1883. 



January 16, 1883. 



Paga 



The Secretary. Eeport on the additions to the Society's Menagerie in December 1882 1 



ilr. H. E. Dresser. Exhibition of, and remarks upon, a specimen of Mcrops pkilippiiim, 



stated to have been obtained near the Snook, Seaton Carew 1 



1. On the Freshwater Shells of the Island of Socotra collected by Professor I. Barley 



Rilfour. By Lieutenant-Colonel H. H. GoDwix-AusTEM, F.E.S., F.Z.S., &c. (Part III.) 

 (Plates I. & II.) 2 



2. On the Eight Cardiac Valve of Fxhidna and of Ornithorhynchus. By E. Eay Lancaster, 



M.A.. F.E.S., Jodrell Professor of Zoology in University College, London. (Plates 

 III. & IV.) 8 



." Descriptions of new Genera and Species of Asiatic Lepidoptera Heterocera. By F. Mooke, 



F.Z.S. (Plates V. & VL) IS 



4. Descriptions of five new Species of Shells. By Prof. G. B. Sowerbv, Jan. (Plate VII.) 30 



February G, 1883. 



Tiie Secretary. Eeport on the additions to the Society's Menagerie in January 1883 32 



Mr. F. C. Selous. Letter from, concerning the chances of obtaining a living White Ehinoceros. 32 



Eev. G. H. E. Fisk, C.M.Z.S. Extract from a letter from, concerning ways in which the increase 



of Snakes is kept within moderate limits 32 



1. On a third Species of Otidiphaps. By O. Salvin and F. D. Godman 3!! 



2. Further Notes on Tragelaphus r/rafits. Bv P. L. Sclater, M.A., Ph.D., F.E.S., Secretary 



to the Society. (Plate VIII.) ' 34 



.".. Siipplementarv Notes on the Birds of the Argentine Eepublic. By E. W. White, F.Z.S. 



With Eemarks by P. L. Sclater, M.A., Ph.D., F.E.S. (Plate IX.) 37 



4. A few Eough Notes on the Aye-aye. By the Rev. G. A. Shaw 44 



5 Description of a new Species of Lizard of the Genus Enyalim. By G. A. Boule-nger, 



F.Z.S. (Plate X.) 46 



February 20, 1883. 



Prof F. Jeffrey Bell. Exliibition of, and remarks upon, some microscopical preparations 



obtained from the Zoological Station at Naples 47 



Mr. .1. J. Weir. Exhibition of a supposed hermaphrodite specimen of Lycana icarus 47 , 



Mr. G. B.Sowerby, Jan. Notice of a paper containing the descriptions of nine new Species of 



Shells, and of the opercula of two known species 48 



1. On Birds collected in the Timor-Laut or Tenimber group of Islands, by Mr. Henry O. 



Forbes. By P. L. Sclater, M.A., Ph. D., F.E.S., Secretary to the Society. (Plates 

 Xl.-XIV.) ■ 48 



2. Studies of the Holothuroidea. — II. Descriptions of new Species. By F. Jeffrey Bell, 



M.A., Sec. E.M.S., F.Z.S., Professor of Comp.xrative Anatomy in King's College. 

 (Plate XV.) .')8 



:V On the Suctorial Apparatus of the Tenuirostres. By Dr. Hans Gadow. (Plate XVI.) ... 62 j 



4. Description des especes nouvelles de la collection p^ruvienne de M. le Dr. Eaimondi de 



Litua. Par L. Taczanowski, C.M.Z.S. (Plate XVIL) ! 70 ! 



h. Notice sur la diffei'ence sexuelle entre les cranes de la Ehytina stelleri. Par le Docteur 



Dybow.ski 72 1 



Contents continued on page 4 of wrapper. 



