206 Proceedings of the Royal Society 
Dircks (Henry), C.E., F.C.S. Inventors and Inventions. London, 
1867. 8 vo. — From the Author . 
Hinrichs (Gustave). Atomechanik oder die Chemie eineMechanik 
der Panatome. Iowa-City, Etats Unis, 1867. 4to. — From the 
Author. 
Journal. American Journal of Science and Arts. Second Series. 
Nos. 129, 130, 131. 8vo. — From the Editors. 
Lapparent, vide Delesse. 
Lawson (Charles). Pinetum Britannicum. Parts XXV., XXVI. 
Elephant fol. — From the Author. 
Lea (Isaac), LL.D. Check List of the Shells of North America 
(Union id as). 8vo. — From the Author. 
Tables of the Rectification of Mr T. A. Conrad’s “ Synopsis 
of the Family of Naiades of North America.” Philadelphia, 
1866. — From the Author. 
Observations on the Genus Unio, together with descriptions 
of new species in the family Unionidas, and descriptions of 
new species of the Melanidae, Limneidas, Paludinae, and Heli- 
cidae, with 24 Plates. Vol. XI. 4to. — From the Author. 
Lesley ( J. P.). Notes on a Map intended to illustrate five types of 
Earth-surface in the United States, between Cincinnati and the 
Atlantic Seaboard. Philadelphia, 1866. 4to. — From Dr J. 
Young. 
Manuscripts. Facsimiles of National Manuscripts of Scotland, 
selected under the direction of the Right Hon. Sir William 
Gibson-Craig, Bart., Lord Clerk-Register of Scotland, and 
Photozincographed, by command of Her Majesty Queen 
Victoria, by Colonel Sir Henry James, R.E., Director of the 
Ordnance Survey. Part I. 1867. Folio. — From the Secre- 
tary of State for War. 
Martius (Dr Carl Friedrich Phil. von). Beitrage zur Ethnographic 
und Sprachenkunde Amerika’s zumal Brasiliens. 2 vols. 
Leipzig, 1867. 8vo. — From the Author. 
Meteorologie de la Belgique Comparee a celle du Globe, par Ad. 
Quetelet. Bruxelles, 1867. 8vo. — From the Royal Observatory, 
Brussels. 
Meteorology. Results of twenty-five years’ Meteorological Obser- 
vations for Hobart Town, together with a two years’ Register 
