104 THE AMERICAN MONTHLY [Mar 



S'wiss Rotifers. — Dr. Weber has published in French a 

 superbly illustrated monog-raph on the rotifers of Lake 

 Leman. Each species is described and fig-ured in colors. 

 The males and eggs are illustrated in some instances. 



Photo-Micrography. — A book by Edmund J. Spitta, late 

 Demonstrator of Anatomy in St. George's Hospital Medi- 

 cal School, London, has been issued by the Scientific Press, 

 Ltd., Southampton Street, Strand. It contains 40 half- 

 tones and 63 other illustrations. Price $3.00. While suit- 

 ed to those commencing- the subject, it will assist those 

 desirious to achieve the hig-hest results in what is now a 

 scientific and commercial necessity. 



Fossil Plants. — Seward has issued a text book in which 

 will be found a certain amount of matter relative to algfae, 

 diatoms, etc. 



MISCELLANEOUS. 



Personal. — M. S, Wiard is Secretary of the New Britain 

 Scientific Association, Conn. The annual meeting- was 

 held Jan. 17, 1899. 



Necrology. — Max Hauer, microscopist and mineralog-ist 

 died Aug-ust 10, 1898, at Oberhausen, Germany, ag-ed 51. 



Objects. — Foraminiferous sands, unmounted, 5 series 

 of micro fung-i at 50 cents each and 7 series of wood sec- 

 tions at 50 cents each series can be had from W. West, 15 

 Horton lane, Bradford, Eng-land. 



Marine Specimens in Formalin. — Jar of Marine Alg-se of 

 ftiany kinds, 50 cents; helix, 10 cents; starfish, 15 cents; 

 and a list of many other specimens for sale by W. F. Webb, 

 Albion, N. Y. 



Second-hand Microscopes. — Beck hig-h class Binocular 

 with 1 1-2, 2-3, 4-10, 1-5, and 1-10 oil immersion lenses with 

 complete outfit is offered for about $80, it being- but a frac- 

 tion of the orig-inal cost. Also many other microscopes. 

 Clarkson and Co., 28 Bartlett's Building-s, Holborn Circus, 

 E. C. London, Eng-land. 



