[ 23 ] 
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Tables for determining Primes and tbe least 
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OWEN (R., F.R.S.) Memoir on tbe Gorilla. 4to. London 1865. 
On some Indian Cetacea collected by Walter Elliot, Esq. 
(Excerpt from Zool. Trans.) 4to. London 1865. 
PACINI (Filippo) Della Natura del Colera Asiatico, sua teoria Matematica e sua 
comparazione col Colera Europeo e con altri profluvj intestinali. 8vo. Firenze 
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PARKER (F.) The Athenian Year and its bearing on the Eclipses of Thucy- 
dides and Ptolemy and the Metonic Cycle. 8vo. London 1866. 
PARLATORE (F.) Le Specie dei Cotoni. 4to ; and Tavole, fol. Firenze 1866. 
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PICTET (F. J.) et HUMBERT (A.) Nouvelles Recherches sur les Poissons 
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PLANTAMOUR (E.) Experiences faites a Geneve avec le Pendule a Reversion. 
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Resume Meteorologique de l’Annee 1865 pour Geneve et 
le Grand St. Bernard. 8vo. Geneve 1866. 
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Observations sur l’Argyronete Aquatique. 8vo. Bruxelles 1867. 
PLATEAU (J.) Recherches Experimentales et Theoriques sur les figures 
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elles 1866. 
PONCELET (J. V., For. Mem. R.S.) Traite des Proprietes Projectives des 
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PORTRAITS, &c. : — 
Photographic Portrait of the late Dr. Brinton, F.R.S., hy Messrs. Wilson and 
Beadell. 
Photographic Portrait of J. Lockhart Clarke, F.R.S., by Messrs. Wilson and 
Beadell. 
Plaster Cast of the Bust of Thomas Hood, by Edward Davies. 
Portrait in Oils of General Sabine, R.A., President of the Royal Society, painted 
by Stephen Pearce, Esq. 
Thirty-Six Photographic Portraits of Members of the Literary and Scientific 
Portrait Club, by Messrs. Maull and Co. 4to. 
Three Views of Arundel House, London, copied from etchings of W. Hollar, 
1646, by Richard Sawyer, fol. London 1808. 
POUDRA ( — ) De l’lnvolution Plane. Proprietes du Tetraedre Polaire. 8vo. 
Paris 1866. 
PUSELEY (D.) Number One or the Way of the World, by Frank Foster. 2 vols. 
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A Journey of Life in Long and Short Stages. 8vo. London 
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Donors. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Authors. 
The Author. 
The Author, by Professor 
Tyndall, F.R.S. 
The Author, by Professor 
Tyndall, F.R.S. 
The Author. 
The Photographers. 
The Sculptor. 
Mrs. Sabine. 
The Photographers. 
C. Few, Esq. 
The Author. 
The Author. 
An Old Acquaintance. 8vo. London 1866. 
