[ 17 ] 
Presents. 
BRANDT (J. F.) Einige Worte iiber die Gestalt des Hirns der Seekiihe (Sire- 
nia). 8to. St. Petersburg 1867. 
Einige Worte iiber eine neue tmter meiner Leitung entworfene 
ideale Abbildung des Steller’scben Seekuh. 8vo. St. Petersburg 1867. 
Bericbt iiber den bereits gedruckten Zweiten und handschrift- 
lich beendeten Dritten Eascikel der Symbolse sirenologicse. 8vo. St. Peters- 
burg 1867. 
Neue Untersuchungen iiber die systematiscbe Stellung und 
die Yerwandtsehaften des Dodo (Didus ineptus). 8vo. St. Petersburg 
1867. 
■ Ueber die Gruppirung der Gattungen der Ordnung der Sirenien. 
8 vo. St. Petersburg 1868. 
BRONGNIART (Ad., For. Mem. R.S.) Rapport sur les Progres de la Botanique 
Phytograpbique. 8vo. Paris 1868. 
Notice sur un fruit de Lycopodiacees 
fossiles. 4to. Paris 1868. 
Considerations sur la Flore de la Nou- 
velle-Caledonie. 4to. Paris 1865. 
BRONGNIART (A.) et GRIS (A.) Description de quelques Plantes remar - 
quables de la Nouvelle-Caledonie. 4to. Paris. 
BROWN (Robert) Florula Discoana: Contributions to the Phyto-Geography 
of Greenland, within the Parallels of 68° and 70° North Latitude. 8vo. 
Edinburgh 1868. 
BRUCE (J. Collingwood) Incised Markings on Stone found in the County of 
Northumberland, Argyleshire, and other places, from Drawings made in 
the years 1863 and 1864, by direction of Algernon, Duke of Northumber- 
land. fol. London 1869. 
BURMEISTER (G.) Anales del Museo Publico de Buenos Aires. Entrega 5. 
4to. Buenos Aires 1868. 
CATLOW (J. P.) On the Principles of ^Esthetic Medicine, or the Natural use 
of Sensation and Desire in the maintenance of Health and Treatment of 
Disease. 8vo. London 1867. 
CHALLIS (Rev. J., F.R.S.) Notes on the principles of Pure and applied Cal- 
culation, and Applications of Mathematical Principles to Theories of the 
Physical Forces. 8vo. Cambridge 1869. 
CHALMERS (J.) and TATLOCK (R. R.) On the Estimation of Potassium. 8vo. 
Glasgow 1868. 
CHERUBIN (P. J. B.) De l’Extinction des Especes. 8vo. Paris 1868. 
CHILDS (G. W.) The Public Ledger Building, Philadelphia, with an Account 
of the Proceedings connected with its opening, June 20, 1867. 8vo. Phila- 
delphia 1868. Photograph of the Building. 
CLARKE (Capt. A. R., F.R.S.) Determination of the Positions of Feaghmain and 
Haverfordwest, Longitude Stations on the Great European Arc of Parallel. 
4to. London 1867. 
COSTA (Achille) Primo Allevamento in Napoli del Bombice della Quercia del 
Giappone. 4to. Napoli 1865. 
Di una singolare Cocciniglia della Fauna Italiana e di alcuni 
Ortotteri Blattidei. 4to. Napoli 1867. 
MDCCCLXIX. c 
Donors. 
The Author. 
The Author. 
Mons. Brongniart. 
The Author. 
The Duke of Northumber- 
land. 
The Museum. 
The Executors of the Au- 
thor. 
The Author. 
The Authors. 
The Author. 
The Author. 
The Secretary of State for 
War. 
The Author. 
