174 THE MICROSCOPE. 



Vienna — is to have a Pasteur Institute in connection with 

 one of its large hospitals. 



Banknotes — carry microbes. On a note that had circulated 

 some time 19,000 microbes were found, including the bacilli of 

 •tuberculosis and of diphtheria and the streptococcus of erysi- 

 pelas. 



The GWA Mixture. — This is an abbreviation for glycerine 

 (1 part.) water (2 parts,) alcohol (3 parts,) and is sometimes 

 called the 1-2-3 mixture. It is used for soaking vegetable sec- 

 tions before mounting them in Farrant's medium. 



Triassic Diatomaceae. — Dr. A. M. Edwards reports (Am. 

 Sat.. Sept. 1893), finding diatoms in a clay pit near Passaic, 

 N. J., which he considers to be the first ever found in that geo- 

 logical formation. This Triassic clay contained Gomphonema 

 acuminatum and Brebissonia lanceolata associated with sponge 

 spicules. 



Deane's Medium. — Soak one oz. gelatine in 4 oz. of water 

 until the gelatine becomes soft, add 5 oz. of honey heated to a 

 boiling point, boil the mixture, then cool (but not stiff) add I 

 oz. of rectified spirit and 5 drops of creosote. Filter through 

 line flannel. 



RECENT PUBLICATIONS. 



Text-Book of Normal Histology. By Geo. k. Piersol, M. D. 8°. 

 439 pp. 300 illustrations. $3.50. Phila. 1893. J. B. Lippin- 

 cott Company. 



In the preparation of the text, the author has supplied des- 

 criptions of the various tissues and organs; these, while at once 

 clear and brief, nevertheless avoid too great conciseness, which, 

 where fact follows fact in rapid succession, proves bewildering 

 to the student; at the same time, the subjects are considered 

 with sufficient completeness to assure an adequate presentation 

 of important details. The systematic arrangement adopted 

 brings the most essential matter into prominence so that it may 

 be selected and assimilated readily by the student. 



The paragraphs devoted to histogenesis will be found addi- 

 tions of value as pointing out the fundamental relations existing 

 between many tissues and organs, and as emphasizing the 



