LIST OF CONTENTS. 



1909, pp. 545-738. 



• May 11, 1909. 



Page 

 Mr. E. H. Burne, M.A., F.Z.S. Exhibition of specimens ofadaptive structures for the 



respiration of air in some Aquatic Invertebrates and tropical Freshwater Fishes 545 



Mr. E. I. Pococt, F.L.S., F.Z.S. Exhibition and description of the skin of a well-marked 



undescribed local race of Monkey, Cercopithecus tantalus alexandri 545 



Mr. W. F. H. Eosenberg, F.Z.S. Exhibition of a Eook with an abnormal bill 546 



1. Contributions to tlje Study of the Equidoe. — I. The Differentiation of the Three Species 



of Zebras. By Prof. William Eidgbway, M.A., So.D., F.B.A., LL.D., Litt.D 547 



2. Contributions to the Study of the Equidse. — II. On Hitherto Unrecorded Specimens of 



EquHS quagga. By Prof. AViLLiA\r Eidgeway, M.A., Sc.D., F.B.A., LL.D., Litt.D 563 



3. Contributions to tlie Study of the Equidse. — III. On a portion of a fussil Jaw of one of 



theEquid£e. By Prof. William Eidgeway, M.A., Sc.D., F.B.A.. LL.D., Litt.D 586 



4. On a New Eace.of Deer from Sze-chuen. By E. Lydekker. (Plate LXIX.) 588 



5. The Batrachians and Eeptiles of Matabeleland. By E. C. Oiiubb, F.Z.S. 590 



May 25, 1909. 



The Secretary. Eeport on the Additions to the Society's Menagerie during the month of 



April 1909 597 



Mr. J. Lewis Bonhote, F.L.S., F.Z.S. Exhibition of, and remarks upon, examples of hybrid 

 Ducks 598 



Mr. L. Harding Cox, F.Z.S. Exhibition of, and remarks upon, a living specimen of the 



Amblystome , 699 , 



Mr. E. Lydekker. Exhibition of, and remarks upon, the photograph of a young Stag from 



Sikhim 599 



1. On the Skull-Characters in the Southern Sea-Elephant. By E. Lydekker (iOO 



2. On the Skull of a Black Bear from Eastern Tibet, with a Note on the Formosan Bear. By 



E. Lydekker 607 



3. The Anatomy of the Olfactory Organ of Teleostean Fishes. By E H. Burne, M. A., F.Z.S. 610 



4. Description of a new Species of the Genus Alpheus Fabr. from the Bay of Batavia. By 



J. G. DE Man. (Plate LXX.) 663 



Contents contmufcl on page 3 of JVrappe?-. 



