IV CONTENTS. 



Page 

 NUMBER LXXV. 



IX. Observations on the Habits of a large species of Galeodes. By 

 Captain Thomas Hutton 81 



X. Observations on a Disease, the production of a Fungus, occurring 



in the Lettuce and otlier Vegetables. By Arthur Hill Hassall, Esq. 86 



XI. On two new species of British Jungermannice. By Thomas 

 Taylor, Esq., M.D., Dunkerron, Kenmare 88 



XII. List of Birds obtained in the vicinity of Calcutta, from Sep- 

 tember 1841 to March 1843 inclusive, by Edward Blyth, Curator to 



the Museum of the Asiatic Society of Bengal 90 



XIII. On the Sacculi of the Polygastrica. By Wm. Addison, Esq. 101 



XIV. Descriptions of some new species of Chalcidites. By P'rancis 

 Walker, Esq., F.L.S 103 



XV. On the Diatomacece. By John Ralfs, Esq., M.R.C.S., Pen- 

 zance. (With Plates.) {Continued.) 104 



XVI. Considerations on the tribe of the Podaxinea, and description 



of the new genus Gyrophragmium. By M. Montagnk Ill 



XVII. On the different modes of preserving IMicroscopic Objects. 



By John Wm. Griffith, M.D., F.L.S. &c 113 



XVIII. Observations on Two of Professor Edward Forbes's " Re- 

 trospective Comments." By Arthur Hill Hassall, Esq 117 



New Books : — An Inaugural Lecture on Botany, by Edward Forbes, 

 F.L.S., F.B.S. — Recherches sur I'organisation, la fructification et 

 la classification de plusieurs genres d'Algues, avec la description 

 de quclques especes inedites on peu connues. — Essai d'lme repar- 

 tition des Polypiers calciferes de Lamouroux dans la classe des 

 Algues, par J. F. Chauvin 120—125 



Proceedings of the Geological Society : Botanical Society of London ; 



Botanical Society of Edinburgh ; Zoological Society 125 — 147 



On Substances inclosed in Agate, by A. Southby ; On the Development 

 of the Cray-Fish, by M. Joly ; Salix cuspidata; Occurrence of the 

 Great Spotted Cuckoo ; Letters from Ray to Sir Hans Sloane ; 

 Meteorological Observations and Table 148 — 152 



\ 



NUMBER LXXVI. 

 X!X. Upon the Anatoniy of Pkalangi urn 0/ji/io (La tr.). By Alfred 

 TuLK, M.R.C.S., M.E.S.' (With three^ Plates.) 153 



XX. List of Birds obtained in the vicinity of Calcutta, from Sep- 

 tember 1841 to March 1843 inclusive. By Edward Blyth, Curator to 



the Museum of the Asiatic Society of Bengal. (Concluded.) 165 



XXI. Descriptions of two species of British Jimgermannice. By 

 Thomas Taylor, M.D., Dunkerron, Kenmare 172 



XXII. On the Anatomy of the Pearly Nautilus. Communicated by 



W. Vrolik, Professor of Anatomy in Amsterdam 17." 



