VI CONTENTS. 



Page 



XXXIII. On the genera Spirulina and Coleocheete. By John 

 Ralfs, Esq., M.R.C.S., Penzance. (With a Plate.) 308 



XXXIV. Notice of a new genus and several new species of Nudi- 

 branchiate Mollusca. By Joshua Alder and Albany Hancock, Esqrs. 311 



XXXV. Descriptions of some new genera and species of Hetero- 

 merous Coleoptera. By G. R. Waterhouse, Esq 317 



XXXVI. On several new species of Crustaceans allied to Saphirina. 

 By Harry D. S. Goodsir, M.W.S., late Conservator of the Museum 

 of the Roy. Coll. Surg. Edinburgh, Assist. Surg, in H.M. Arctic Ex- 

 ploring Ship Erebus (With a Plate.) 325 



XXXVII. On the Fructification of the genera Clathrus and Phallus. 



By M. Maurice Lespiault 327 



XXXVIII. Journey through Java, descriptive of its Topography 

 and Natural History. By Dr. Fr. Junghuhn 329 



Proceedings of the Zoological Society ; Microscopical Society ... 332 — 347 



On a Fish allied to Lepidosiren annectens ; On the African Musk, 

 Moschus aquaticus, Ogilby ; Occurrence of Aquila ncBvia in Ire- 

 land ; On Mounting Minute Algae for the Microscope; On the 

 Discovery of a Fossil Frog and Butterfly in the Gypsum Deposits 

 of Aix, by M. Coquand ; On a curious appearance presented by 

 the contents of the Capsules of a Moss from Chili, extracted from a 

 Letter to the Rev. M. J. Berkeley, by Dr. Montague ; M. Agassiz 

 on the Geological Development of Animal Life ; Explorations of 



, Dr. Schrenk ; Descriptions of three new species of Bivalve Shells 

 of the genera Cytherea and Venus, by Sylvanus Hanley, Esq. ; On 

 the Disease of Potatoes, by Prof. Kiitzing ; On the Larus capistra- 

 tus, Temm. ; Meteorological Observations and Table 348 — 360 



NUMBER CVII. 



XXXIX. Remarks on some forms oi Ruhus. By T. Bell Salter, 

 M.D., F.L.S. &c 361 



XL. Notice of the Foetus of Zygcena laticeps, Cantor. By Dr. Can- 

 tor, Civil Surgeon, Prince of Wales Island 372 



XLI. On the Dissolution and Re-calcification of the Shell in Cyprcea, 

 a genus of Pectinibranchiate Mollusca. By Lovell Reeve, A.L.S. &c. 374 



XLII. Researches on the Primary Modifications of Organic Matter, 

 and on the Formation of Cells. By M. Coste 377 



XLI 1 1. Anatomical and Physiological Observations on some Zo- 

 ophytes. By John Reid, M.D., F.R.C.P.E., and Chandos Professor 

 of Anatomy and Medicine in the University of St. Andrews. (With a 

 Plate.) 385 



XLIV. Observations on the Spongiadce, with descriptions of some 

 new genera. By J. S. Bowerbank, F.R.S., L.S. &c. (With two 

 Plates.) 400 



