f 



VI CONTENTS. 



Page 



XXVIII. Description of Sauresia, a new genus of Sc'mcidce from 



St. Domingo. By J. E. Gray, Ph.D., F.R.S., V.P.Z.S 281 



XXIX. Some Account of a Dredging Expedition on the coast of the 

 Isle of Man during the months of May, June, July and August 1852. 



By T. C. Eyton, Esq., F.L.S., F.Z.S 282 



Proceedings of the Linnaean Society ; Zoological Society 285 — 309 



On a Parasite which is developed under exceptional circumstances on 

 the surface of certain ahmentary substances and causes them to 

 appear covered with blood, by M. Montague ; Irish Mollusca, by 

 W. W. Walpole ; Directions for Making and Preserving Micro- 

 scopical Preparations, by M. Harting ; Arenaria serpyllifolia, by 

 Samuel Octavus Gray ; Note of the Observation of Cilia in 

 Grantia, by William Murray Dobie, M.D. ; Experimental Re- 

 searches upon the Process of Fecundation in Mosses, by M. H. 

 Phihbert; Meteorological Observations and Table 309—320 



NUMBER LIX. 



XXX. On a new Genus of the Family of Volvocinece. By Dr. Fer- 

 dinand CoHN of Breslau. (With a Plate.) 321 



XXXI. Notice of an Australian Diplommatina ; and Characters of 

 new East Indian HelicidxB from Darjiling and Sincapore. By W. H. 

 Benson, Esq 348 



XXXII. On the Priority of the Term Polyzoa for the Ascidian 

 Polypes. By George Busk, F.R.S. &c 352 



XXXIII. Note on a new species of Clionites. By N. T. Wethe- 

 RELL, Esq., F.G.S., M.R.C.S. &c. (With a Plate.) 354 



XXXIV. Description of a species of Belemnite, with Observations 



on Aptychus. By J. Morris, F.G.S. (With a Plate.) 355 



XXXV. On some Crustacea dredged by Mr. Barlee in the Shet- 

 lands. By C. Spence Bate, Esq. (With a Plate.) 356 



XXXVI. On a new Arrangement of British Rissoce. By H, and 



A. Adams '. 358 



XXXVII. Description of a new Heraipterous Insect forming the 

 type of a new genus. By W. S. Dallas, Esq., F.L.S. &c. (With a 

 Plate.) 359 



New Books : — The Natural History of Animals, by Thomas Rymer 

 Jones, F.R.S. — Parks and Pleasure- Grounds, or Practical Notes 

 on Country Residences, Villas, Public Parks and Gardens, by 



