C 16 ] 
Presents. 
COLNET D’HUART (De) Physique Mathematique. Determination de la re- 
lation qui existe entre la chaleur de conductibilite et la chaleur latente. 
8vo. Luxembourg 1863. 
Nouvelle Theorie Mathematique de la Chaleur et 
de l’Electricite. Premiere partie. 8yo. Luxembourg 1864. 
CTJRLING (T. B., P.R.S.) Observations on Sterility in Man. 8vo. London 
1864. 
DANA (J. D.) On Parallel Relations of the Classes of Yertehrates. The 
Classification of Animals based on the principle of Cephalization. 8vo. New 
Haven 1863. 
The Classification of Animals based on the principle of Cepha- 
lization. On Fossil Insects from the Carboniferous Formation of Illinois. 
Note on the position of Amphibians among Yertehrates. (Excerpts from 
American Journ.) 8vo. 1864. 
DATTINO (Giambattista.) Arringhe Officiose. 8vo. Napoli 1863. 
DAYY (M.) Recherches Theoriques et Experimentales sur l’Electricite con- 
sideree au point de vue mecanique. 2 parts. 8vo. Paris 1862. 
DAWSON (J. AY., F.R.S.) Air Breathers of the Coal Period : a descriptive 
Account of the Remains of Land Animals found in the Coal Formation. 8vo. 
Montreal 1863. 
DELESSE ( — ) La Machoire Humaine de Moulin-Quignon. Proces-verbaux 
des seances du congres reuni a Paris et a Abbeville. 8vo. 
et LAUGEL. Revue de Geologie pour l’annee 1861. 8vo. 
Paris 1862. 
DESLONGCHAMPS (E.) Etudes critiques sur des Brachiopodes nouveaux ou 
peu connus. Fasc. 1 & 2. 8vo. Caen. 
Notes pour servir a la geologie du Calvados. 8vo. Caen 
1863. 
DEW ALQDE (G.) Note sur les fossiles Siluriens de Grand-Manil, pres de 
Gemhloux. (Excerpt from Bull. Acad. Roy. Belg.) 8vo. Bruxelles. 
DRACH (S. M.) On the Circle-area and Heptagon-chord. 8vo. London 
1864. 
On deducing the Parallax of Mars, and thence that of the 
Sun : 1864. On the Geometry of my eighth decimal Approximation to the 
Circular Circumference : 1864. (Excerpts from Phil. Mag.) 8vo. 
DURAND (A.) La Toscane : Album pittoresque et archeologique. Livraison 
4 e et 5 e . folio. Paris 1862. 
EDMONDS (R.) The Land’s End District: its Antiquities, Natural History, 
&c., with a Memoir of R. Trevithick. 8vo. London 1862. 
St. Michael’s Mount and the Phoenicians. 8vo. Edinb. 1863. 
The Bee-hive British Dwellings at Bosphrennis and Chapel 
Enny, near Penzance. 8vo. Edinb. 1863. 
EDWARDS (G. N.) and WILLETT (A.) Statistical Tables of the Patients under 
treatment in the Wards of St. Bartholomew’s Hospital during 1863. 8vo. 
London 1864. 
ENCKE (J. F., For. Mem. R.S.) Berliner Astronomisches Jahrbuch fur 1865, 
1866; Ephemeriden der seit 1845 entdeckten Planeten fur das Jahr 1864. 
8vo. Berlin 1862-64. 
Donors. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author, by Admiral 
FitzRoy, F.R.S. 
The Author. 
The Author. 
The Authors. 
The Author. 
The Author. 
The Author. 
The Prince Demidoff. 
The Author. 
The Hospital. 
The Author. 
