IV CONTENTS. 



Page 

 NUMBER LXXV. 



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

 Captain Thomas Hutto*j 81 



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



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



XI. On two new species of British JungermannicB. 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 Francis 

 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 PodaxinecB, and description 



of the new genus Gyrophragmium. By M. Montagnk Ill 



XVII. On the different modes of preserving Microscopic 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, E?q 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 quelques especes inedites ou peu connues. — Essai d'une 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. 



XIX. Upon the Anatomy of PAa/awyiwm Op27eo( Latr.). 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 Beugal. {Concluded.) 165 



XXI. Descriptions of two species of British Jungermannice. 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 ».. 173^ 



