On MARCH 1st, 1883, 



Will be ready, and may be had of all Booksellers, 



Price 1/8, 



Part 5 (being the First Part of Vol. 2,) 



THE 



Journal of the Postal Microscopical 

 Society. 



Amongst other interesting subjects, it will contain Papers on 



The Conduct of Scientific Inquiry. 



Notes on the Exhibition of Magnified Objects. 



The Maggot of the Blow-Fly. 



The Microscope in Medicine. 



A Method of Making and Mounting Transparent Rock-Sections 

 for Microscopic Slides. 



Mounting Diatoms in Lines and Patterns. 



Photo-Micrography. 



Half-an-Hour at the Microscope with Mr. Tuffen West, in which 

 the following objects are discussed :— 



Polystomella crispa and P. umbilicatula, Antennae of Insects, 

 Stomach of Blow-Fly, Flea from Cat, Saws of the Saw-Fly, 

 Sting of Sand-Wasp, Acarus from Finch, Hypopus muscarum, 

 Gamasus from House-Fly, Gamasus coleoptratorum, Gamasus 

 from Eat, Dermanyssus. 



Selected Notes from the Society's Note-Books. 



Heviews, etc. etc. 



Six Lithographic Plates and a number of Wood Engravings. 



Strong Cloth Cases for Binding Vol. I. may also be had, 



price 1/6. 



[Vol. I., handsomely bound in Cloth, Gilt, Bevelled Edges, 

 may be had of Publishers only, Post Free, 8/-.] 



W. P. COLLINS, 



SCIENCE BOOKSELLER, 

 157, GT. POETLANB ST., LONDON, W. 



