1898.] ■ MICEOSCOPIOAL JOURNAL. 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 angled 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 good 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 

 exchange 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 genuine Redondo material, 4 or 5 kilograms, 

 and no other California earth. Will g^ive in exchange 

 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. Hough, Lowville, N. Y., 

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

 ing- three distinct views of grain under each cover glass. 



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

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

 Mass., and think they ought to please the most exacting. 

 Send for his catalogue. 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 



