X898.] MICROSCOPICAL JOTJBNAL. 47 



MISCELLANEOUS. 



Wanted. — 1-12 to 1-16 immersion objective, 1.30 to 1.40 

 N. A., adjustable. Address, Dr. Studebaker, Spring-field, 

 Ohio. 



For Sale. — At London price, a Swift's Bacteriolog-ical 

 Microscope, Crookshank pattern, with hig-h ang-led lenses 

 and Abbe Acromatic Condenser. In perfect order and 

 nearly new. Particulars from A. H. Thomas, M. D., 611 

 Taylor street, San Francisco, Cal. 



For Sale. — A Hartnack microscope in g^ood condition, 

 three oculars and five objectives, including- one immersion. 

 Price $50. Address, W. Adler, care of this Journal. 



Slides. — The estate of a deceased physician offers 700 

 slides for sale at $10 per hundred. Also, Beck Binocular 

 and six objectives and other accessories worth $350. — E. 

 E. W. 



Exchange. — Arthur Donnelly, Davisville, R. I., wants to 

 exchang-e a new French microscope, with case, for which 

 he paid $6, for bird skins or books on taxidermy. 



Redondo Beach Diatoms. — One of our Austrian sub- 

 scribers wants g-enuine Redondo material, 4 or 5 kilog-rams, 

 and no other California earth. Will g-ive in exchang-e 

 celebrated European and Asiatic material, fossil marine, 

 or if necessary, will pay cash. Address, J. C. Rinnbock, 

 care of Journal. 



Wood Sections. — Send to R. B.Houg-h, Lowville, N. Y., 

 for sample of his sections of wood, 1-1200 inch thick, show- 

 ing three distinct views of grain under each cover g-lass. 



King's Slides. — We have just received a beautiful col- 

 lection of slides from J. D. King-, Ph. D., of Cottag-e City, 

 Mass., and think they oug-ht to please the most exacting-. 

 Send for his catalog-ue. Located on the very best part of 

 the Atlantic coast he has unexcelled opportunities to gather 

 marine specimens. 



Leidy. — A copy of Fresh-Water Rhizopods of North 



