1889. Books and Pamphlets. 429 
Jordan, David and Goss, David.— K Review of the Pleuronectidae of 
America and Europe. From the Authors. 
Knowltofi, F. ^.—The Fossil Wood and Lignites of the Potomac 
Formation. Extract from the An.. Cxeol., Vol. iii., No. 2, Feb., 
1889. From the Author. 
Kiintz, G. F. — Precious Stores, Gems and Decorative Stones in Can- 
ada and British America. Reprint from 1887 Report Uep't 
Mineral Statistics, Geol. Survey of Canada. 
Macloskie, C— The Poison-Apparatus of the Mosquito. Extract from 
the Am. Nat., Oct., 1888. Concessions to Science. From the 
Author. 
McGee, W. y.— Notes on the Geology of Macon Co., Missouri. Ex- 
tract from Acad. Sci., St. Louis, Vol. v., No. i. From the Au- 
Moreno, Francisco P. — Informe Preliminar de los progresses del Mu- 
seo La Plata, durante el primer semestre de 1888. From the Au- 
thor. 
New Zealand Colonial Museum and Geological Survey. Twenty- 
second Annual Report. From the Director. 
Osborn, H. i^.— Evolution of Mammalian Molars to and From the Tri- 
tubercular Type. Reprint from the Am. Nat., December, 18S8. 
From the Author. 
Penrose, R. A. ^— Na 
Purdie, Alex.— The Anatomy of the Common Mussels My/ilus latus, 
M. edulis and M. magellanicus. Bull, of Col. Museum and Geol. 
Survey of New Zealand. From James Hector, Director. 
Reports for the Year 1886-7, 1887-8, Presented by the Board of Man- 
agers of the Observatory of Yale University to the President and 
Fellows. 
Schlosser, Max.— Vobtr die Beziehungen deraus gestorbenen Siiuge- 
tierfaunen und ihr Verhaltniss zur Saugetierfauna der Gegenwart, 
Sonderabdruck aus dem Biologischen Centralblatt, Bd. viii., No. 
19, I Dec, 1888. From the Author. 
