IV CONTENTS. 



Page 

 Xir. Description of a new Species of Opisthostoma, By G. B. 

 SowERBY, F.L.S., RZ.S 94 



XI ri. New Genera and Species of Pyralidce, Thyrididce, and 

 Epiplemidce. By W. Wakren, M.A., F.E.S ib. 



Coutributions to the Embryogeny of Simple Ascidians, by Antoine 

 Pizon; On a new Lameilibranch {iicioheretia australis) com- 

 mensal with an Eehinoderm, by Felix Bernard ; On a Chilian 

 Example of Pierodela pediculan'a, L., with doubly abnormal 

 Neuratiou, by Alfred Giard, Professor at the Sorbonne . . lOG — 111 



NUMBER XCVIII. 



XIV. Considerations on the Surviving Refugees in Austral Lauds 

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

 Zoology to the Australian Museum 113 



XV. The 'Slide o{Apnsca72criformis. By W. Blaxland Benham, 

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

 parative Anatomy, Oxford 3 20 



XVI. Descriptions of Two new Species of Euqaster {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 bj^ Mr. Scott Elliot in East 

 Africa. By W. F. 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 Sharpe 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 

 E2nplemidce. By W. Warren, M.A., F.E.S 131 



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

 Genera Pejdovmltisjjarsa and Diastopora. By J. AV. 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. H.ART, F.L.S 100 



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 

 TrccJiona zehrata (Wak'k.). By R. I. PococK 177 



