CONTENTS. V 



Page 



XXIII. Descriptions of uew Species of Aculeate and Parasitic 

 Hjnienoptera from Northern India. By P. Cameeon 211 



XXIV. Preliminary Note on certain Points in the Anatomy of 

 Ei-yx and other Boidce, partly indicative of their Basal Position 

 among the Ophidia. By Fbank E. Beddard, M.A., F.R.S 233 



XXV. Description of a new Genus of Spatangoids. By F. 

 Jeffrey Bell, M.A. 236 



XXVI. Description of a new Barhiis from Cameroon. By G. A. 

 BOULENGEB, F.K.S 237 



XXVII. Notes on the Structure of the Teeth of some Poisonous 

 Snakes found in Travancore. By R. Shunkara Narayana Pillay. 238 



Obituary Notice : Dr. William Francis 239 



NUMBER LXXVI. 



XXVIII. Descriptions of some new Species of Lepidoptera Hete- 

 rocera from Tropical South America. By Herbert Druce, 

 F.L.S. &c 241 



XXIX. New Forms of Saimiri, Saccopteryx, Balantiopteryx, and 

 2'hrichomys from the Neotropical Region. By Oldfield Thomas. 250 



XXX. Descriptions of new or little-known Fishes from Mexico 

 and British Honduras. By C. Tate Regan, B.A 255 



XXXI. Descriptions of Holoce7itrum osculum, Poey, and of a new 

 Fish of the Genus Centropomus. By C. Tate Began, B.A 259 



XXXII. Descriptions of Two new Genera of Frogs of the Family 

 Runidce from Cameroon. By G. A. Boulenger, F.R.S 261 



XXXIII. Rhynchotal Notes.— XXII. By W. L. Distant .... 263 



XXXIV. Description of a uew Fish of the Genus Chcetodon from 



tlie New Hebrides. By C. Tate Regan, B.A 276 



XXXV. On some new Species of Hymenoptera from Northern 

 India. By P. Cameron " 277 



XXXVI. An undescribed Genus of Coreidce from Borneo. B}' 



W. L. Distant , , 303 



XXXVII. The Collections of William John Burchell, D.C.L., in 

 the Hope Department, Oxford University Museum : — 



IV. On the Lepidoptera Rhopalocera collected by W. J, Bur- 

 chell in Brazil, 1825-1830. Bv Cora B. Sanders, of 

 Lady Margaret Hall, Oxford. (Plate VI.) 305 



XXXVIII. Note on an undescribed Weasel from the Atlas 

 Mountains, and on the Occurrence of a Weasel in the Azores. By 



G. E. II. Barrett-Hamilton \ 323 



Neiv Boole : — Report on the Sea Fisheries and Fishing Industries 



of the Thames Estuary. Prepared by Dr. James Mueie .... 325 



Proceedings of the Geological Society 326 — 328 



