LIST OF PAPERS. 



Page 



Allman, Professor G. J., M.D., F.R.S. 



Anniversary Address of the President for 1881. — Eecent Pro- 

 gress in our Knowledge of the Development of the Cteno- 

 phora 89 



Beook, Geoege, F.L.S. 



On a new Genus of CoUembola {Sinella) allied to Degeeria, 

 Nicolet. (With 3 vroodcuts.) 641 



BuTLEE, Aethltr G., F.L.S., F.Z.S., Assistant Keeper, Zoological 

 Department, British Museum. 

 On the Butterflies collected by Lord Walsingham in California. 462 



Campbell, F. Maitle, F.L.S. 



On a probable Case of Parthenogenesis in the House-Spider 

 (Tegc-naria Guijonii) 536 



Caepentee, p. Heebeet, M.A., Assistant Master, Eton College. 



Descriptions of new or little-known ComatidcB 487 



Part I. On the Species of Atekc7-mus and JEudiocrmus 



(p. 488). 

 Part II. The Comahilcs of the Hambui-g Museum (p. 501). 



CoBBOLD, T. Spencee, M.D., F.R.S., F.L.S. 



New Entozoon from the Ostrich. (Plate IV.) 184 



Day, Feancis, F.L.S. 



Observations on British Salmones. — I. Trout 396 



Duncan, Professor P. Maetin, M.B. Lond., F.R.S., F.L.S. 



On some Points in the Morphology of the Test of the Temno- 



pleuridfe. (Plate VIII.) 343 



On the Genus Pleurechinus, L. Agassiz ; its Classificatory Position 

 and Alliances 447 



