Olf. 711 4O2- 
‘TRICHIN x 
(PORK WORMS, OR FLESH WORMS). 
HOW TO DETECT THEM; 
AND 
HOW TO AVOID THEM. 
BEING 
A POPULAR ACCOUNT OF THEIR HABITS, MODES OF 
PROPAGATION, AND MEANS OF DISSEMINATION. 
INTENDED FOR THE USE OF 
FARMERS, BUTCHERS, PORK DEALERS, AND 
CONSUMERS OF PORK. 
BY JOHN PHIN, 
_ EDITOR OF THE ‘‘ AMERICAN JOURNAL OF MICROSCOPY.”’ 
eee ' 
Ve UUILP Z0OLOGY, 
ROCHESTER: | 
Teas BAUSCH & LOMB OPTICAL COMPANY. 
1881. 
Copyright Secured, 1881, by Fohn Phin. 
iv 
