CONTENTS. 
I. On the M’horr Antelope. By E. T. Bennett, Esq., F.L.S., Sec. Z.8.. . page| 
II. On the Nervous System of Beroé Pileus, Lam., and on the Structure of its Cilia. By 
Roser E. Grant, M.D., F.R.S. Ed., L.S., G.S., Z.8., &c., Professor of Com- 
parative Anatomy and Zoology in the University of London . . . . 2.) 9 
III. Observations on the Laws which appear to influence the Assumption and Changes of 
Plumage in Birds. By Wiuttam Yarrett, Esq., F.L.8S.&Z.8. . . . 18 
IV. On the Structure and Characters of Loligopsis, and Account of a New Species (Lol. 
guttata, Grant,) from the Indian Seas. By Rosert E. Grant, M.D., F.R.S.Ed., 
L.S., G.S., Z.8., &c., Professor 2s Sie oie oe me and Zoolgy in the Uni. 
versity of London . E : 21 
V. On the Characters and Bese ” a new Genus of pera called Cynictis. 
By W. Ociusy, Esq., A.M., F.L.S., R. Ast. 8., Z.8., &. 2. 2 2. 2... 29 
VI. On the Chinchillide, a Family of Herbivorous Rodentia, and on a new Genus 
referrible to it. By E. T. Bennert, Esg., F.L.S., Sec.Z.8.. . . . . 35 
VII. On the sacculated Form of Stomach as it exists in the Genus Semnopithecus, F. Cuv. 
By Ricuarp Owen, Esq., F.Z.S., Assistant Conservator si the Museum of the 
Royal College of Surgeons in London . . . . 65 
VIII. Description, with some additional Particulars, of th the Arter Australis of Shaw. 
By Wiiiram Yarrett, Esq., PLS. & 78... . a ee ol 
IX. On the Anatomy of the Sepiola vulgaris, Leach, and Account ee a New Species 
(Sep. stenodactyla, Grant,) from the Coast of Mauritius. By Rosert E. Grant, 
M.D., F.R.S. Ed., L.8., G.S., Z.8., &c., Professor of Comparative Anatomy and 
Zoologyian the Unwersity of London». 2 ss ew ee ee 
X. On a new Genus in the Family of Corvide. By Mr. Joun Goutp, F.L.S. Commu- 
nicated by the Secretary . At Eo) te, ee 87 
XI. Characters and Descriptions of several New Genera and Species of Coleopterous 
Insects. By the Rev. F.W. Hore, A.M., F.L.S.&Z.S. . . . .. . 91 
