The Microscope. 91 



both gratifying and unexpected. We have not a single set of 

 back volumes, except a very few of volume 2 which we offer 

 at $1.50 each. We have a few broken sets of volume 3, less the 

 April number. These sets contain 192 pages of reading matter ; 

 they will be mailed to our subscribers for fifty cents each. 



Dr. Henki von Heurck, of Amers, Belgium, has succeeded 

 in photographing the beads of the amphipleurapellucida. Prof. 

 Abbe agrees with him that the " beads " are genuine, and not 

 the result of any optical illusion. We, Americans, should bear 

 in mind, however, that the slide from which this photograph 

 was made, was prepared by Dr. A. Y. Moore, of Cleveland. It- 

 was one of Dr. Moore's silver-plated slides. We have seen one 

 of these photographs and the appearance of the heads is unmis- 

 takable. 



Dr. W. R. Chittick, of Detroit, favors us with a very good 

 slide of the Bacillus Tuberculosis. 



We have received one of the slides of Comma Bacilli, as 

 prepared in Kock's laboratory. These slides are sold by Mr. 

 Woolman, of New York, and they certainly show the bacilli 

 very nicely. 



R. R. asks for the best method of mounting chemical crys- 

 tals. Will some one inform him ? 



REVIEWS. 



Nature's Serial Story. By Edward P. Roe, author of " Barriers 

 Burned Away," etc. Fully illustrated, pp. 430. Harper & Bros., 

 New York, 1885. 



Many of our readers are familiar with the charming style 

 of Mr. Roe's writings. The language in the story before us in 

 the author's happiest vein. Mr. Roe writes : " I am getting 

 very tired," said a hard brain-worker to me once. " Life is be- 

 ginning to drag and lose its zest." In reply our author says : 

 " This is an experience that can scarcely happen to one who has 

 fallen in love with nature, or become deeply interested in any 

 of her almost infinite manifestations." It is the object of the 

 book to bring one into closer sympathy with nature ; to make 



