

CONTENTS OF NUMBER 98.— Sixth Series. 



Page 

 XIV. Considerations on the Surviving Refugees in Austral Lands 

 of Ancient Antarctic Life. By C. Hedley, F.L.S., Assistant in 



Zoology to the Australian Museum 113 



XY. The Male of Apus cancriformis. By W. Blaxland Benham, 

 D.Sc. (Lond.), Hon. M.A. (Oxon.), Aldrichian Demonstrator in Com- 

 parative Anatomy, Oxford 120 



XVI. Descriptions of Two new Species of Eugaster (Hetrodidce) 

 from East Africa. By W. F. Kirby, F.L.S., F.E.S., &c, Assistant in 

 Zoological Department, British Museum 122 



XVII. On a new Dragonfly captured by Mr. Scott Elliot in East 

 Africa. By W. E. Kirby, F.L.S., F.E.S., &c, Assistant in Zoolo- 

 gical Department, British Museum 124 



XVIII. Descriptions of Three new Species of Lepidoptera from 

 East Africa. By Emily Mary Sharte 125 



XIX. Notes on some Land-Shells from Vanbu, Tonkin, with 

 Descriptions of Two new Species. By Edgar A. Smith 128 



XX. New Genera and Species of Pyralidce, Thyrididce, and 

 Epiplemidce. By W. Warren, M.A., F.E.S 131 



XXI. A Revision of the British Jurassic Bryozoa. — Part IV. The 

 Genera Reptomultisparsa and Diastopora. By J. W. Gregory, D.Sc, 

 F.G.S 151 



XXII. On the Isopod Genus Leptochelia. By the Rev. Thomas 

 R. R. Stebbing, M.A., F.L.S 156 



XXIII. Atta ((Ecodoma) cephalotes, Latr. : "The Soldier." By 



J. H. Hart, F.L.S 160 



XXIV. The Sense of Sight : Sketch of a new Theory. By H. M. 

 Bernard, M.A. Cantab., F.L.S., F.Z.S 162 



XXV. On the Presence of Wood Mason's Stridulating-Organ in 

 Trechona zebrata (Walck.). By R. I. Pocock 177 



PROCEEDINGS OF LEARNED SOCIETIES. 

 Geological Society 179, 180 



MISCELLANEOUS. 



Numbers of Zoological Species known in the Years 1830 and 1881. 



By Dr. A. Gunther, F.R.S. &c 180 



On the Reproduction of Wasps. By M. Paul Marchal 181 



Researches on the Structure, Organization, and Classification of the 

 Fossil Reptilia. — Part X. On the complete Skeleton of an Anomo- 

 dont Reptile (Aristodesmus Riitimeyeri, Wiedersheim), from the 

 Bunter Sandstone of Reihen, near Basel, giving new Evidence of 

 the Relation of the Anomodontia to the Monotremata. By H. G. 

 Seeley, F.R.S 183 



\* It is requested that all Communications for this Work may be addressed, 

 post-paid, to the Care of Messrs. Taylor and Francis, Printing Office, 

 Red Lion Court, Fleet Street, London. 



