VI CONTENTS. 



Page 

 XXXVI. On the British Diatomacece. By" John Ralfs, Esq., 

 M.R.C.S., Penzance. {Continued.) (With a Plate.) 270 



Proceedings of the Zoological Society ; Geological Society ; Botanical 



Society of London 276—296 



Griffithsia simplicijllum, Agardh ; Italian Fire-fly in Norfolk ; Occur- 

 rence of rare British Birds ; Capture of a Wolf-fish ; Description of 

 a " Blind Fish " from a Cave in Kentucky, by Jeffries Wyman, 

 M.D. ; On Fermentation, by Prof. E. Mitscherlich ; Letters from 

 Ray to Sir Hans Sloane ; Meteorological Observations and 

 Table.. 296—304 



NUMBER LXXVIIL 

 > XXXVII. On the Structure and Homology of the Cephalic Ten- 

 tacles in the Pearly Nautilus. By Prof. Owen, F.R.S 805 



XXXVIII. Description of Six supposed new species of Parasites. 

 By Henry Denny, Corresponding Member of the Academy of Natural 

 Sciences of Philadelphia, &c. (With a Plate.) 312 



XXXIX. On the Inflorescence of Fedia olitoria, and its order of 

 expansion. By G. Dickie, M.D., Lecturer on Botany in the Univer- 

 sity and King's College of Aberdeen 317 



XL. Upon the Anatomy of Phalangium Opilio (Latr.), By Alfred 

 TuLK, M.R.C.S., M.E.S. (With three Plates.) {Concluded.) 318 



XLI. Notice of a new species of Seal {Stenorhynchus serridens). By 

 Prof. Owen, F.R.S 331 



XLII. On the Species of the Genus Lifnax occurring in Ireland. 

 By the Rev. B. J. Clarke, Mem. of the Dub. Nat. Hist. Soc. (With 

 three Plates.) 332 



XLIII. Descriptions of apparently new species and varieties of In- 

 sects and other Annulosa, principally from the collection in the British 

 Museum. By Adam White, M.E.SS. Lond. and Paris, Assistant Zoo- 

 logical Department, British Museum 342 



XLIV. On the British Diatomacea. By John Ralfs, Esq., 

 M.R.C.S., Penzance. {Continued.) (With a Plate.) 346 



X L V. Information respecting Scientific Travellers 352 



New Books : — A Catalogue of British P'ossils ; comprising all the genera 

 and species hitherto described, with references to their Geological 

 Distribution and to the Localities in which they have been found, 

 by John Morris, F.G.S. 353 



Proceedings of the Entomological Society; Zoological Society... 356 — 373 



On the Phosphorescence of the Lampyris Ifalica ; Observations on . 

 Dr. Martin Barry's Memoir on P'ibre, by Prof. Mohl ; Meteorolo- 

 "gical Observations and Table 373 — 376. 



