322 
apparatus, and not the valves, he proved from a specimen of a 
Pholas hole in shale, where the pedal depression of the animal was 
distinctly seen. 
He also exhihited a piece of glass bored to the depth of 150 of 
an inch, by means of the point of the finger and emery alone. 
The following Gentlemen were balloted for, and elected 
Ordinary Fellows : — 
George A. Jamieson, Esq., M.A. 
Rev. Leonard S. Orde. 
Patrick Dudgeon, Esq., of Cargen. 
The following Donations to the Library were announced 
Comptes Rendus hebdomadaires des Seances de l’Academie des 
Sciences. Nos. 11, 12. — From, the Academy. 
Rectification of Logarithmic Errors in the Measurements of two 
Sections of the Meridional Arc of India. In a Letter to Pro- 
fessor Stokes, Sec. R.S. Ry Colonel Everest, F.R.S. — From 
the Author. 
Reply to Messrs Stevenson’s Pamphlet on Lighthouses. By Sir 
David Brewster, K.H., D.C.L., F.R.S. — From the Author. 
Bulletin de la Societe de Geographie. Quatrieme Serie. Tome 
XVIII. Paris, 1859. 8vo. — From the Society. 
Observations Astronomiques faites & l’Observatoire de Geneve, dans 
les Annees 1853 et 1854. Par E. Plantamour. XIII e et 
XIV e Serie. 1859. 4to. — From the Author. 
Resume Meteorologique de l’Annee 1858, pour Geneve et le Grand 
St Bernard. Par E. Plantamour. Geneva, 1859. 8vo. — 
From the Author. 
Uber die Natiirliche Lage von Bern, von B. Studer. Bern, 1859. 
4to.‘ — From the Author. 
Memoires de la Societe de Physique et d’Histoire Naturelle de 
Geneve. Tome XV., Part 1st. Geneva, 1859. 4to. — 
From the Society. 
Abhandlungen, herausgegeben von der Senckenbergischen Naturfor- 
schenden Gesellschaft. B. III., Part 1st. 1859. 4to. — 
From the Society. 
Biographical Sketch of the late Dr George Wilson. By Professor 
Balfour.— -From the Author. 
