Report upon the World's Markets for Ameri 

 Dept. Agric , Sect. Foreign Markets, Washingtc 



Sfcoufs, r —Deux Monstres Gasteropages a 

 Soc. Zool. de France, 1895. From the author. 



Singleton, M. T.— Gravitation and Cosmological Law. Atianta, Ga., 1895. 



Sherwood, \V. L.— The Salamanders found in the Vicinity of New York 

 City, with notes on Extra-Limital or Allied Species. Eitr. Proceeds. Linn. .<<><•. 

 New York, No. 7, 1 895. From the author. 



Slosson, E. E— The Heating Power of Wyoming Coal and Oil. Special 

 Bull., 1895. Wyoming University. From the author. 



Smith, J. B.— Contribution toward a Monograph of the Insects of the Lepidop- 



terous Family Noctuida? of Boreal North Am. A Revision of the heltoid 



Moths. Bull. No. 48, 1895. U. S. Natl. Mus. From the Smithsonian Institu- 



Smith, J. P.— Geologic Study of Migrations of Marine Invertebrates. Extr. 

 Journ. Geol., Vol. Ill, 1895. 



Tarr, R. S.— Elementery Physical Geography. New York and London, 1 895. 

 Macmillan & Co. From John Wanamaker's. 



Townsend, C. H.— Birds from Coccos and Malpelo Islands, with Notes on 

 Petrels Obtained at Sea. Bull. Harv. Mus. Comp. Zool , Vol. XXVII, No. 3, 

 1895. 



Ward, L, F.— Relation of Sociology to Anthropology. Extr. Am. Anthropol., 

 1895. From the author. 



Weekly Weather Crop Bulletins, 3, 4 and 21. 1895, issued by the North Caro- 

 lina State Weather Service. 



Wiedersheim, R.-The Structure of Man, an Index to His Past History. 

 Translated by H. and B. Bernard. London and New York, 1895. From Mac- 



Wilder, B. G.— The Cornell University Museum of Vertebrates. Extr. 



Ithaca Daily Journ., 1895. The Cerebral Fissures of Two Philosophers, 



( lumiicy Wright and J. E. Oliver. Extr. Journ. Comp. Neurol.. Vol. V, 1895. 



Williams, H. S.— Geological Biology. New York, 1895, Henry Holt & Co. 



General Notes. 



PETROGRAPHY. 1 



The Eruptives of Missouri. — Haworth 2 has described in much 

 detail the dyke3 and acid eruptives in the Pilot Knob region, Missouri. 

 The dyke rocks are typical diabases, diabase-porphy rites, quartz-diabase- 



1 Edited by Dr. W. S. Bayley, Colby University, Waterville, Me. 



2 Mo- Geol. Survey, Vol. VIII, 1895, p. 83-222. 



