VI CONTENTS. 



Page 

 Sibbald's Drawings of Scottish Animals, by the late Dr. George John- 

 ston ; Clausilia Rolphii, by Mr. S. P. Woodward ; Note on Helix 

 aspersu, by Mr. S. P.Woodward; Descriptions of some new spe- 

 cies of Birds, by the Viscount Du Bus de Gisignies ; On the Oper- 

 culum of Diplommatina, by Captain Thomas Hutton ; Note on 

 Aphyllanihes monspeliensis , and the new Family Aphyllanthaceas, 

 by M. Parlatore ; Meteorological Observations and Table . 2^6 — 304 



■ NUMBER XCV. 



XXVII. Notes on some new or little-known Marine Animals. By 

 Philip Henry Gosse, A.L.S. . (With a Plate.) 305 



XXVIII. On the Injurious Effects of an excess or want of Heat 

 and Light on the Aquarium. By Robert Warington, Esq 313 



XXIX. On the Mechanism of Aquatic Respiration and on the 

 Structm-e of the Organs of Breathing in Invertebrate Animals. By 

 Thomas Williams, M.D. Lond. (With a Plate.) 315 



XXX. Notice and Description of a new species of Spider. By the 

 Rev. Hamlet Clark, M.A., Curate of All Saints, Northampton ... 329 



XXXI. Observations on the Habits of the Stickleback. By Robert 

 Warington, Esq 330 



XXXII. The Vegetable Individual, in its relation to Species. By 

 Dr. Alexander Braun, Professor of Botany in the University of 

 Berlin, &c 333 



New Books .- — Glaucus ; or the Wonders of the Shore, by Charles 



Kingsley ^54 



Proceedings of the Linna^an Society ; Zoological Society 356 — .378 



Bohemian Forests and Peat-bogs, by Dr. Hochstetter ; Occurrence of 

 Diodonta fray His at WejTnouth, by William Thompson, Esq. ; 

 Description of a second species of the genus Procnias, by Philip 

 Lutley Sclater, M.A. ; Descriptions of some new species of Birds, 

 by the A^iscount Du Bus de Gisignies ; Description of a new spe- 

 cies of Petror/ale, by Dr. J. E. Gray ; Meteorological Observations 

 and Table \ ". .'^78-384 



NUMBER XCVI. 



XXXIII. On the Batrachian Ranunculi of Britaui. By Charleh 

 C.Babinoton, M.A., F.R.S. &c 385 



