11 CONTENTS. 



PAGE 



10. Notice of Shoals of Dead Fish observed on the passage 



between Mirimachi, New Brunswick, and the port of 

 Gloucester. Communicated by the Kev. W. S. Sr- 

 monds. With some llemarks by Sir W. Jardine, 

 Bart., ..... 271 



11. On a Simple Method of distributing naturally Diverging 



Bays of Light over any azimuthal angle, with de- 

 scription of proposed Spherico-Cylindric and Double- 

 Cylindric Lenses, for use in Lighthouse Illumination. 

 By Thomas Stevenson, F.B.S.E., Civil Engineer, 

 (With a Plate), . . . .273 



12. On Annelid Tracks in the Equivalents of the Millstone 



Grits in the South-west of the County of Clare. By 

 Bobert Harkness, Esq., F.B.S.E., F.G.S., Professor 

 of Geology, Queen's College, Cork. (With a Plate), 278 



13. Description of New Coniferous Trees from California. 



By Andrew Murray, W.S. (With Six Plates), 284 



14. On the Colouring Matter of the Bottlera tinctoria. By 



Thomas Anderson, M.D., F.R.S.E., Regius Professor 



of Chemistry in the University of Glasgow, . 296 



15. The late Lieutenant-Colonel John G. Champion, of the 



95th Regiment, .... 302 



16. The late Professor Edward Forbes, . . 307 



17. A description of certain Mechanical Illustrations of the 



Planetary Motions, accompanied byTheoretical Inves- 

 tigations relating to them, and, in particular, a new 

 Explanation of the Stability of Equilibrium of Sa- 

 turn's Rings. By James Elliot, Teacher of Ma- 

 thematics, Edinburgh, . . . 310 



REVIEWS:— 



1. Die Kreidebildungen, Westphalens. Von Dr Ferd. Roe- 



mer. 1854, ..... 336 



2. Coupe Geologique des Environs des Bains de Rennes. 



Par A. d'Archiac, 1854, . . . 336 



3. The Entomologist's Annual for 1855, comprising No- 



tices of the new British Insects detected in 1854. 



