[ 25 ] 
Presents. 
OWEN (Richard, F.R.S.) On the Dental Characters of Genera and Species, 
chiefly of Fishes from the Low-Main Seam and Shales of Coal, Northumber- 
land. 8vo. London 1867. 
PARKES (W.) Report addressed to the Under Secretary of State for India on 
the Tides of the Port of Eurrachee. 8vo. London 1866. 
PESSINA (L. G.) Quistioni Naturali e Ricerche Meteorologiche. 2 parts, 8vo. 
Napoli 1865-68. 
PETTENKOFER (M. von) and YOIT (C.) Untersuchungen iiber den StoflVer- 
hrauch des normalen Menschen. 8vo. Miinchen 1867. 
PHILLIPS (J., F.R.S.) Obituary Notice of Charles Giles Bridle Dauheny, M.D., 
F.R.S. 8vo. Oxford 1868. 
PICTET (F. J., F.R.S.) Melanges Paleontologiques ; troisieme livraison. 4to. 
Bale 1867. 
PLANTAMOUR (E.) Des Anomalies de la Temperature observees a Geneve 
pendant les quarante annees 1826-1865. 4to. Genbve 1867. 
PLATEAU (F.) Sur la Transformation Spontanee d’un Cylindre liquide en 
Spheres isolees. 8vo. Bruxelles 1867. 
POLE (Dr. W., F.R.S.) Experiments on the flow of Gas in long pipes, made in 
the Works of the Paris Gas Company, by M. Arson. Translated. 8vo. Lon- 
don 1868. 
Diagrams and Tables to illustrate the Nature and Con- 
struction of the Musical Scale and the various Musical Intervals. 4to. Ox- 
ford 1868. 
POLLENDER (A.) Ueber das Entstehen und die Bildung der kreisrunden 
Oeflnungen in der ausseren Haut des Bliitenstaubes nachgewiesen an dem 
Baue des Bliitenstaubes der Cucurbitaceen und Onagrarien. 4to. Bonn 1867. 
PUMPELLY (R.) Geological Researches in China, Mongolia, and Japan during 
the years 1862-1865. 4to. Washington 1866. 
QUARITCH (B.) A General Catalogue of Books arranged in Classes. 8vo. 
London 1868. 
QUATREFAGES (J. L. A. de) Annelides. Observations sur une brochure de 
M. Ed. Claparede intitulee “ De la Structure des Annelides.” 4to. Paris 
1868. 
QUETELET (A., For. Mem. R.S.) Annales de l’Observatoire Royal de Brux- 
elles. Tomes XVII., XVIII. 4to. Bruxelles 1866-68. 
Annuaire 1867-1868. 12mo. Bruxelles 
1866-67. 
Annales Meteorologiques 1868. Ff. 1-13. 
4to. Bruxelles. 
Observations des Phenomenes Periodiques 
pendant l’Annee 1864. 4to. 
Sur le 17 me volume des Annales de l’Obser- 
vatoire Royal de Bruxelles. 8vo. Bruxelles 1866. 
Deux Lettres de Charles- Quint a Francois 
Rabelais. 8vo. Bruxelles 1866. 
Observations des Etoiles Filantes Perio- 
diques de Novembre 1866. 8vo. Bruxelles 1866. 
Etoiles Filantes, <fcc. 8vo. Bruxelles 1867. 
d 
Donoes. 
The Author. 
The Author. 
The Author. 
The Authors. 
The Author. 
The Author. 
The Author. 
The Author. 
The Translator. 
The Author. 
The Author. 
The Author. 
The Publisher. 
The Author. 
The Author. 
MDCCCLXVIII. 
