15 
«Syxonyms. — Paragonimus Braun, 1899; Polysarcus Looss, 1899 [notFieb., 1853, 
orthopteron.] 
Tkeatmext. — Send patient to noninfected region, thus preventing 
reinfection; specific treatment unknown. 
For a detailed discussion of this subject, with review of the medical 
literature, see Stiles & Hassall (1900, pp. 560-611). 
Fig. 10. Section of a cyst in the lower lobe of the left lung of a man containing a lung fluke. A, 
diagonal section of the worm; a, parenchym; b, cuticle, with spines; c, intestinal ceca; d, testicles, 
c, Yitellaria; /, eggs in the uterus; g, ventral acetabulum; h, excretory system; i, cyst wall; j, cylin- 
der epithelium in part ciliated, x 12. (After Katsurada, 1900, pi. 1-4, fig. 2.) 
Family FASCIOLID^E. 
Genus PARAGONIMUS « Braun, 1899. 
Generic diagnosis. — Fasciolidir: Body medium large, thick, elongate, frequently 
oval, and on cross section more or less round, usually somewhat attenuate toward 
posterior extremity. Cephalic cone wanting. Skin provided with scale-like spines. 
Acetahulum near equator. Intestine with strong, somew hat elongate pharynx; very 
short esophagus; intestinal ceca zigzag, extending to caudal end of the body. Median 
excretory stem (or bladder) large dorso-ventrally, irregular in outline, and extending 
cephalad to near the pharvnx. Genital pore near caudal margin of ventral acetabu- 
lum, in median line or to the right or left. Copulatory organs (cirrus) absent. _ Male 
organs: Testicles round (?), or branched, in posterior half of body, one each side of 
median line and one slightly posterior of the other. Female organs: Ovary some- 
what branched, the branches' being thick and short, and the organ located postero- 
