Contents (^continued). 



June 2, 1891 {continued). 



Page 



1. On the Land and Freshwater Shells of Perak. By O. F. ton Moellendorff, Ph.D. 



(Plate XXX.) aSO 



2. Note on the Derivation and Distribution of the Insectirora of the New World. By 



G. E. DoBsoN, M.A., F.R.S ;j4i< 



•3. OnEeptiles, Batrachians, and Fishes from the Lesser West Indies. By G. A. Boulenger. '6h\ 



4. On the Lyccenidcs of the Solomon Islands. By Hamilton H. Druce, F.E.S. (Plates 



XXXI. & XXXII.) ,..,.. 357 



June 16, 1891. 



Mr. H. A. Bryden. Exhibition of, and remarks upon, a distorted pair of horns of an Eland, 



and the feet of the Lechee Antelope , , . . .37i> 



Mr. Howard Saimders, F.Z.S. Exhibition of, and remarks upon, a nearly white skin of a 



Tiger from Northern India , ,...,.. , ?jTd 



Mr, Howard Saunders, Exhibition of, and remarks upon, some specimens of the eggs of 

 Larus macuUpennis and 'Sterna trudeaui, obtained by Mr. Ernest Gibson in the 

 Argentine Republic , . . . ^ 373 



Mr. Sclater. Remarks on two Sea-Eagles, referred to Haliaetus pelagimis, living in the 



Hamburg Zoological Garden .,....,,....... 374 



Dr. R. Bowdler Sharpe, F.Z.S. Account of the Proceedings of the International Ornitho- 

 logical Congress at Budapest , , , 374 



1. A Contribution to the Knowledge of the Races of Sana esculefiia and their Geographical 



Distribution. By G. A. Boulenger , 374 



2. Notes on .some Ungulate Mammals, By Oldfield Thomas, F.Z.S. .,.,.. , . . . . 384 



3. On a Collection of Marine Shells from Aden, with some Remarks upon the Relationship 



of the Molluscan Fauna of the Red Sea and the Mediterranean, By Ebgae A. Smith, 

 F.Z.S. (Plate XXXIII.) 390 



4:. Descriptions of new Species of Shells from the 'Challenger' Expedition. By Edgar A. 



Smith, F.Z.S. (Plates XXXIV. & XXXV.) 43fi 



5. On the present Distribution of the Giraffe, South of the Zambesi, and on the best means 



of securing living Specimens for European Collections. By H. A. Bkyden 445 



6. Notes on some Reptiles from Trinidad. By R.E. Mole and F. W. TJrich 447 



7. Additional 'Notes upon Hapalemur griseiis. By Frank E. Beddard, M.A., Prosector to 



the Society 449 



a. On an interesting Example of Protective Mimicry discovered by Mr. W. L. Sclater in 



British Guiana. By Edward B. Poulton, M.A., F.E.S. (Plato XXXVI.) 462 



