15 
Tkeatment. — Send patient to noninfected region, thus preventing 
reinfection; specilic treatment unknown. 
For a detailed discussion of this subject, with review of the medical 
literature, see Stiles & Hassall (1900, dp. .560-611). 
I Fig. 10. — Section of a cyst in the lower lobe of the left lung of a man containing a lung fluke. A, 
j. diagonal section of the worm; a, parenchym; b, cuticle, with spines; c, intestinal ceca; d, testicles; 
II r. vitellaria; /, eggs in the uterus; g, ventral acetabulum; h, excretory system; i, cyst wall; j, cylin- 
n der epithelium in part ciliated, x 12. (After Katsurada, 1900, pi. 14, fig. 2.) 
ip Famil}^ FASCIOLID^F. 
I Genus PARAGONIMUS Braun, 1899. 
Ij Generic diagnosis. — Fascioli(be: Body niediuiii large, thick, elongate, frequently 
I oval, and on cross section more or less round, usually somewhat attenuate toward 
})Osterior extremity. Cephalic cone wanting. Skin provided with scale-like spines. 
: Acetaliulum near equator. Intestine with strong, somewhat elongate pharynx; very 
I f short esophagus; intestinal ceca zigzag, extending to caudal end of the body. Median 
j • excretory stem (or bladder) large dorso-ventrally, irregular in outline, and extending 
■j cepbalad to near the pharynx. Genital pore near caudal margin of ventral acetahu- 
K him, in median line or to the right or left. Copulatory organs (cirrus) absent. Male 
|l| organs: Testicles round (?),or branched, in posterior half of body, one each side of 
fi 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- 
^ f'f Synonyms. — Paragonimas Braun, 1899; Polgsarciis Looss, 1899 [not Fieh., 1853, 
■ orthopteron.] 
1 
