[ vi ] 



VIII. On the Pontoniince. By L. A. Borradaile, M.A. (Lecturer in Zoology in the 

 University of Cambridge, Fellow, Dean, and Lecturer of Selioyn College). {Com- 

 municated by Prof J. Stanley Gardiner, M.A., F.RS., F.L.S.) (Plates 52-57.) 



323-396 



IX. On Carides from the Western Indian Ocean. By L. A. Borradaile, M.A. 

 [Lecturer in Zoology in the University of Cambridge, Felloiv, Dean, and Lecturer 

 of Selivyn College). {Communicated by Prof. J. Stanley Gardiner, M.A., 

 F.R.S., F.L.S.) (Plates 58, 59.) 3.97-412 



PAET IV.— January, 1921. 



X. Les Fspeces d'Alpheidoe rapportees de V ocean indien par M. J. Stanley Gardiner. 

 Par M. le Professeur H. Coutiere. {Communique par M. le Professeur 

 J. Stanley Gardiner, M.A., F.R.S., F.L.S.) (Planches 60-64.) 413-428 



XL On the Cephalopoda obtained by the Percy Sladen Trust Expedition to the Indian 

 Ocean in 1905. By G. C. Robson, B.A. {Published by permission of the Trustees 

 of the British Museum.) {Communicated by Prof J. Stanley Gardiner, M.A., 

 F.RS., F.L.S. (Plates 65, 66.) (Text-figures 1-6.) .... 429-442 



Index ............. 443-455 



