i8o 



THE AMERICAN MONTHLY [September, 1883 



like — never saw or read of any thing like 

 it. The slide of the material appears 

 just like some of the Barbadoes deposits, 

 broken polycystina Radiolaria with a few 

 diatoms, very rare and peculiar, also like 

 some St. Monica, Cal., samples. 



Thos. Christian. 

 Richmond, J "a. 



NOTICES OF BOOKS. 



A Report upon Cereals, attd the products 

 and accessories of Flour and Bread- 

 Foods; Baking powders ; Cream Tar- 

 tars; Bicarbonate of Soda ; Bicarbon- 

 ate of Atnmonia; Alum Powders and 

 the '■'■Alum Question.'''' By. E. G. 

 Love, Ph. D. School of Mines, Colum- 

 bia College. Reprinted from the sec- 

 ond annual report State Board of 

 Health of New York. (Pamphlet, pp. 

 30. Illustrated.) 



Bulletin of the Museum of Comparative 

 Zoology, at Harvard College. Vol. 

 VII.— No. IX. On the Relations of the 

 Triassic Traps and Sandstones of the 

 Eastern United States. No. X. The 

 Folded Helderberg Limestones east 

 of the Catskills. By William Morns 

 Davis. Cambridge. Printed for the 

 Museum, 1883. 



Bulletin of the Museum of Compara- 

 tive Zoologv at Harvard College. 

 Vol. XI. Nos. I and 2. — Reports on 

 the results of dredging, under the su- 

 pervision of Alexander Agassiz, on the 

 east coast of the United States, during 

 the summer of 1880, by the Coast Sur- 

 vey Steamer " Blake," Commander 

 J. R. Bartlett, U. S. N. Commanding. 

 — Published by permission of Carlile 

 P. Patterson and J. E. Hilgard, Supts. 

 U. S. Coast and Geodetic Survey. 

 Chapter XXI. Report on the Anthozoa, 

 and on some additional species dredged 

 by the "Blake" in 1877-79, ^""^1 by 

 the U. S. Fish Commission Steamer 

 "Fish Hawk" in 1880-82. By A. E. 

 Verrill. 



Chapter XX H. A chapter on the His- 

 tory of the Gulf Stream. By Alexander 

 Agassiz. Cambridge : Printed for the 

 Museum. 1883. 



Report on the Area of Corn, Potatoes, and 

 Tobacco, and the Condition of Growing 



Crops in the United States and Eitrope. 

 Department of Agriculture, Washing 

 ton. Government Printing Office, 1883. 



One of the valuable reports periodically 

 issued by the Department of Agriculture, 

 giving the results of careful investigation 

 of the crops in all parts of the U. S. as 

 well as the results of experiments with vari- 

 ous species of cereals in different places. 

 Manures, etc, and recording the Meterolo- 

 gical changes and conditions. 



Observations on the Soil and Products of 

 Florida. By Wm. Saunders. Super- 

 intendent of Gardens and grounds, etc. 

 The Gras.' es of the United States, being 

 a Synopsis of the Tribes and Genera 

 with Descriptions of the Genera and a 

 List of the species. Prepared by Dr. 

 Geo. Vasey, Botanist to the Depart- 

 ment of Agriculture. 



Report 071 the Condition of Crops. 



'■'■American Competition'''' and Freight 



rates of trattsportation Companies. 



August, 1883. 



Special Reports, Nos. 62, 63 and 64 of 

 the Department of Agriculture. Wash- 

 ington Government Print. 1883. 



Exchansres, 



For Exchange. — Slides of pollen of pitch pine, 

 Pinus rigida, with the connection stained, for any 

 named slides of algse. Dr C. F. Millspaugh, E. M. 

 S., Binghampton, N. Y. 



Wanted. — Trichina Spiralis, Pleurosigma An^., or 

 other well-mounted slides in exchange for fine slides. 

 Insects, Acari, Spermatozoa of Horse, Physiological 

 and Pathological preparations. J. O. Stillson, M. D., 

 504 Upper Second Street, Evansville, Ind. 



For Exchange. — Well-mounted double-stained vege- 

 table preparations, also, a few first-class injected prepar- 

 ations for other well-mounted slides. N. A. Richards, 

 St. Louis, Mich. 



Well-mounted slides of Poljrcystina, transparent and 

 opaque, for any well-mounted slide. P. C. Cole, M.D., 

 254 West Forty-second Street, New York, N. Y. 



Wanted. — Slides of Bacteria in exchange for other 

 slides, or for cash. J. M. Adams, Watertown, N. Y. 



Wanted. — I will give a good type slide of diatoms, 

 or a slide of arranged diatoms, for a gathering of Pleura- 

 si^ma angulatum. Thos. Christian, 108 Virginia St., 

 Richmond, Va. 



