3 THE MICROSCOPE. 179 
the chinch bug has an inveterate enemy in an allied fungus termed 
Entomophthora, which also carries off the larve of certain 
butterflies. 
The donations to the library were current numbers of the 
monthly journal of the Royal Microscopical Society, and a copy of 
the annual report of the Alameda Board of Health, donated by Dr. 
Rhiel. 
The Secretary read a communication from William Fred 
Stadtmuller, tendering his resignation, which was, on motion, 
accepted. 
A number of samples of the Redondo beach diatomaceous 
earth has been forwarded to various kindred societies at home and 
abroad, and the Corresponding Secretary stated that a sample of 
the interesting jem sand would be sent to the Royal Microscopical 
Society. C:-P.. Bates, 
Recording Secretary. 
IRON CITY MICROSCOPICAL SOCIETY. 
T THE last meeting of the Iron City Microscopical Society, 
held April 9th, the paper of the evening was by Prof. W. S. 
Jackman. His subject was “The Earth-Worm,” illustrated with 
many large drawings and appropriate slides under ten microscopes. 
These showed sections of the spines, gizzard, nerve-cord, and the 
convolutions of the nephridia. 
The other exhibits were: (1), sections of wild sage and _ bass- 
wood, W. J. Prentice; (2), blood of Monopoma Allegheniensis 
(“‘mud-devil” or “hell-bender’’) and man compared, J. B. Cherry; 
(3), various polariscopic objects, C. C. Mellor; (4), specimens of 
aluminium and bronze, J. H. Clapp. 
On Friday evening, April 12th, the Society held its eighth 
annual soiree in old city hall, Pittsburgh, Pa. It consisted of an 
exhibition of microscopical objects under fifty microscopes, an 
entomological exhibit from the collection of Rev. Holland, Ph. D., 
and a number of specimens of the fine work of Prof. J. A. Brashear, 
including spectroscopes, polariscopes, latest celestial and spectrum 
photographs, and the celebrated diffraction gratings, ruled 14,420 
lines to the inch. The soiree concluded with a lantern exhibition. 
Gorvon OGDEN. 
Mons. M. E. Bouvier has been elected President of the French 
Societé Mycologique. 
