CONTENTS. 



PAGE 



7. On Diplostemonous Flowers, with some Remarks upon 



the Position of the Carpels in the Malvacese. By 

 Alexander Dickson, M.D., Edin. (Plate III.), . 239 



8. The Classification of Animals based on the Principle 



of Cephalization. No. I. By James D. Dana. 

 Communicated by the Author. (Concluded from 

 the January Number), . . . .260 



9. Synopsis of Canadian Ferns and Filicoid Plants^ By 



George LAWsoN,Ph.D.,LL.D., Professor of Chemistry 

 and Natural History in Dalhousie College, Halifax, 

 Nova Scotia. (Concluded from the January Num- 

 ber), . . . . . .273 



REVIEWS:-^ 



1. Journal of the Scottish Meteorological Society, New 



Series, No. I. William Blackwood and Sons, Edin- 

 burgh and London. January 1864, .291 



2. Flora of Ulster and Botanist's Guide to the North of 



Ireland. By G. Dickie, A.M., M.D., F.L.S., Pro- 

 fessor of Botany, Aberdeen. Aitchison, Belfast, 1 864. 

 24mo, pp. 176, . . . . .296 



3. A Hand-Book of Descriptive and Practical Astronomy. 



By George F. Chambers, F.B.G.S. Murray, London, 

 1861. 12rao, pp. 514, .... 297 



