PRESENTS. 
DONORS. 
PROUT (w.) m. d. Inquiry into the Nature and Treat- 
ment of Diabetes, Calculus, and other affections of the 
Urinary Organs. 2nd edit. 8 ° Lond. 1825. 
PUGH (s.) Observations sur le Calorique et sur la Lumiere. 
8° Rouen. 1826. 
QUETELET (a.) Memoire sur quelques constructions 
Graphiques des Orbites Planetaires. 4 0 . 
■ ■ ■ - ■ — Memoire sur une Nouvelle Maniere de 
considerer les Caustiques, produites, soit par Reflexion 
soit par Refraction, vide Garni er. 
DE LA RIVE (aug.) Dissertation sur la partie de l’Op- 
tique qui traire des Courbes dites Caustiques. 4® 
Geneve. 1823. 
■ ■■■ - ■ R^cherches sur leMode de Distri- 
bution de l’Electricite Dynamique dans les Corps qui 
lui servent de Conducteurs. 4 ° Geneve. 1825. (Extrait 
des M6moires de la Societe de Phys. et d’Hist. Nat. de 
Geneve. T. III. i crc Part.) 
• Memoire sur quelques-uns des 
Phenomenes qui presente I’Electricite Voltaique dans 
son Passage a travers les Conducteurs Liquides. 8°. 
(Annales de Chimie.) vide Macaire. 
ROBERTS (w.) Meteorological Journal kept at George 
Town, Demarara, from February 1, 1821, to January 
31, 1822. 
ROBERTSON (a.) d. d. Astronomical Observations made 
at the Radcliffe Observatory at Oxford, from May 1, 
1825, to May 1, 1826. By and under the direction of the 
Rev. Abram Robertson, D. D. F. R. S. Savillian Pro- 
fessor of Astronomy and Radcliffian Observer MS. fol, 
SABINE ( Capt . e.) An Account of Experiments to deter- 
mine the Figure of the Earth by means of the Pendu- 
lum vibrating seconds in different Latitudes. 4 0 Lond. 
SAGRA (r.) Discurso leido en la apertura publica de la 
Catedra de Botanica- Agricola por su Profesor D. Ramon 
de la Sagra. 4 0 Habana. 1825. 
SALT (h.) An Essay on Dr. Young’s and M. Champol- 
lion’s Phonetic System of Hieroglyphics. 8° London. 
SCARPA (a.) Lettera del Professore Cavaliere Antonio 
Scarpa sopra un Elmo di Ferro squisitamente lavorato 
a cesello. fol. Pavia. 1825. 
SCHUMACHER (h. c.) Astronomische Abhandlungen. 
Drittes Heft. Altona. 1825. 
————— A stromische Hiilfstafeln fur 1826. 
8° Copenhagen. 
Astronomische Nachrichten. N° 
80 — 90. 4 0 Altona. 
SCROPE (g. p.) Considerations on Volcanos; the probable 
causes of their phenomena, the laws which determine 
their march, the disposition of their products, and their 
connexion with the present State and past History of 
the Globe; leading to the establishment of a New 
Theory of the Earth. 8° Lond. 1825. 
Dr. W. Prout. 
M. Pugh. 
M. Quetelet. 
Prof. De La Rive. 
Mr. W. Roberts. 
The Trustees under the 
will of the late Dr. Rad- 
cliffe. 
The Commissioners of Lon- 
gitude. 
Prof. Ramon de la Sagra. 
Henry Salt, Esq. 
Prof. Scarpa. 
Prof. Schumacher. 
G. P. Scrope, Esq. 
