Botany and Zoology. 245 
4, Deep-sea Magnesian Limestone Nodwes.—Prof. Verrill, on 
page 447 of the last volume of this Journal, describes nodules or 
| » Magnesia 14:41, iron (estimated as protoxide) 2°00, 
insoluble residue (sand) 16°97, phosphoric acid not weighed. I 
contained minute specks of pyrite. 
II. Borany anp Zoonoey. 
1. Genera Plantarum ad Exemplaria imprimis in herbariis 
Kewensibus servata definita. Auctoribus G. Bentaam et J. D. 
OOKER. Londini: Reeve & Co. 3 vols. imp. 8vo. 1852-1883. 
present work were to be planned anew, and the genera W 
e 
which modern botanists have restored, could have been attributed 
to this real founder, without thereby compromising the proper — 
