LIST OF CONTENTS. 

 PART II.— 1893. 



March 14, 1893. 



Page 

 The Secretary. Eeport on the Additions to the Society's Menagerie in February 1893 237 



Mr. Oldfield Thomas. Exhibition of, and remarks upon, a specimen of Nanotragus living- 



stonianus from Northern Zululand 237 



Dr. C. J. Forsyth Major. Exhibition of, and remarks upon, a tooth of an Ant-bear 



( Oryeteropus) from the Upper Miocene of Maragha (Persia) .' 239 



1. Suggestions for the more definite use of the word " Type " and its compounds, as denoting 



Specimens of a greater or less degree of Authenticity. By Oldfield Thomas, F.Z.S. 241 



2. On a new African Monkey of the Genus Cercopithecus, with a List of the known Species. 



By P. L. ScLiTER, M.A., Ph.D., F.E.S., Secretary to the Society. (Plates XVI. & 

 XVII.) 243 



3. On Odontaster and its Allied or Synonymous Genera of Asteroid Echinoderms. By 



F. jEFFKEr Bell, M.A., Sec. E.M.S 259 



4. On a new Grenus and Species of Acari found in Cornwall. By A. D. Michael, F.L.S., 



F.Z.S., P.E.M.S., &c, (Plate XVIII.) 262 



f). Notes on Variation and Development of the Vertebral and Limb-Skeleton of the Amphibia. 



By Or. B. Howes, F.L.S., F.Z.S., Assistant-Professor of Zoology, E. Coll. Sci. Lond. . 268 



March 28, 1893. 



Mr. Arthur Thomson. Eeport on the Insect- house for 1892 278 



1 . Descriptions of new Species of Lepidoptera Heterocera from Central and South America. 



By Herbert Deuce, F.L.S., F.Z.S., &c. (Plates XIX.-XXI.) 280 



2. On the Brain of the African Elephant. By Fkakk E. Beddabd, M.A., F.E.S., Prosector 



to the Society. (Plates XXII. & XXUL) 311 



3. On the Scientific Name of a Himalayan Cuckoo. By W. T. Blanford, F.E.S 315 



4. Further Observations on Variations in the GenitaUa of British Earthworms. By M. F. 



Woodward, Demonstrator of Zoology, Eoyal College of Science, London. (Com- 

 municated by Prof. G. B. Howes.) (Plate XXIV.) 319 



Contents continued on page 3 of Wrapper. 



