24 THE AMERICAN MONTHLY. [January. 



Holland, J. W. — The urine and the common poisons. Memoranda; chemi- 

 cal and microscopical for laboratory use. P. Blakiston, Son & Co, Phila., 1888. 



Iddings, Jos. P. (Translator.) — Microscopical physiography of the rock- 

 makmg minerals. An aid to the microscopical study of rocks. Vol. i. Minerals 

 by H. Rosenbusch. (Review next month.) N. Y. : John Wiley & Sons. 8°, 

 pp. 333. Illustrated ; plates. $5.00. 



James, Frank L.— Elementary Microscopical Technology. Parti: The Tech- 

 nical history of a slide from the crude materials to a finished mount. (A fine 

 book forstudents, giving the reasons for what it advises. Review hereafter.) 

 St. Louis, Mo., Medical and Surgical Journal Co. 8°, pp. 107. Illustrated. 



Jeffries, John A. — The bacteria of the alimentary canal, especially in the 

 diarrhoeas of infancy. Boston Med. and Surg. Journal, Sept. 6, 1888. pp. 

 217-223. 



Manton, W. P. — Primary methods in zoology-teaching, for teachers in com- 

 mon schools. Boston : Lee & Shepard. 1888. 61pp. Cloth, 50c. 



Newman, L. G. — Traite des Maladies parasitaires non microbiennes des 

 animaux domestiques. Paris, 1888. 16 et 675pp. 3 OD figures. 



Pitkin, Lucius. — Disease germs and how to combat them. The Ceibtury, 

 July, 1S88. pp. 375-378, with 12 figures of bacteria. 



Putnam, J. J. — A case of Hereditary Muscular Distrophy with Microscopical 

 Demonstrations Boston Med. and Surg. Journal, Nov., 1888. 



Vaughan, Victor C, and Now, F. G. — Ptomaines and Leucomaines; or, the 

 putrefactive and physiological alkaloids. Phila. : Lea Bros. & Co., 1888. 316pp. 

 12 cloth, $1.75. 



West, Wm. — Desmids of Maine. (List of species collected by Prof. A. B. 

 Aubert, at Orono, Me.) Journal of Botany, xxvi, 339-340. 



Exchanges. 



[Exchanges are inserted in this. column without charge. They will he strictly limited to mounted 

 objects, and material for mounting.] 



OFFERED. — Diatomaceous earth from Thibet, various localities (12,000 feet); also, material and 

 slides of diatoms from Scottish Highlands, and continental foraminiferse. WANTED. — Slides of 

 American diatoms, insects, or botany. 



W. D. STEWART, 2 Gilmore Terrace, Edinburgh, Scotland. 

 OFFERED. — Sections of vegetable ivory and slides of crystalized maple sugar. Good mounts 

 taken in exchange. WM. LIGHTON, 106 Fitth Avenue, Leavenworth, Kansas. 



WANTED. — Parasites and books on Parasites and other micro, subjects. Will give Anatomical, 

 Pathological, Botanical, Micro-fungi, Zoophytes, Polycistinse, Foraminifera, Parasites, and other slides 

 in return. FRED. LEE CARTER, Gosforth, near Newcastle-on-Tyne, England. 



Wanted, Diatomaceous earth from M6gillanes, Bolivia, South America. Can give in exchange 

 either Diatomaceous earth from New Zealand or cash. 



E. MICHALEK, I. Fleischemarkt, No. 1, Vienna, Austria. 

 Mounted sections of Fcetal Lung (5 months), sections across entire lobe, ^m^ in. thick, beautifully 

 stained, in exchange for first-class pathological slides. 



W. C. BORDEN, M. D., U. S. A., Fort Douglas, Utah. 

 Wanted, earths, recent diatoms, and miscellaneous objects for mounting. Only first-class material 

 offered or desired. MARY A. BOOTH, Longmeadow, Mass. 



Fossil Diatomaceous deposits (marine) wanted from Bermuda, Virginia, Maryland, California, etc. 



I. ELLIOTT, Ardwyn Villa, Aberystwith, Wales, England. 

 Labels for slides. EUGENE PINCKNEY, Dixon, 111. 



Correspondence relative to exchange in microscopical material or prepared mounts. 



HENRY L. OSBORN, Hamline, Minn. 



First-class Histological Slides for other good mounts ; Histological and Pathological material cut on 

 shares. S. G. SHANKS, M. D., 547 Clinton Ave., Albany, N. Y. 



FOR EXCHANGE. — Strichnia Chromate (Strichnia ^ gr.) and Strichnia Ferri-Cyanide (Strichnia 

 T l„gr.) Will exchange for other slides, Botanical preferred. Only first-class slides offered or desired. 



L. A. HARDING, Fergus Falls, Minn. 

 FOR EXCHANGE.— Mounted slides of Gold Sand, Gold Washings, Wire Silver, Pyrites of Iron, 

 Petrified Wood, etc., for Pathological slides and cut material or other desirable mounted specimens. 



W. N. SHERMAN, M. D., Kingman, Ariz. 

 FOR EXCHANGE.— Diatomaceous earth from Richmond, Va., Nottingham, & Calvert Co., Md., 

 Los Angeles and Santa Monica, Cal., for other diatomaceous_material, crude or cleaned, recent or fossil 

 (marine forms preferred), or for diatom or miscellaneous slides (only good mounts wanted). 



F. W. DUNNING, 37 Garrison Ave., Battle Creek, Mich. 

 WANTED. — A set of Proceedings of the American Society of Microscopists. State price of set or 

 of single volumes, kind of binding, etc. Also, any other microscopical periodicals. 



P. O. BOX 630, Washington, D. C. 



