OCCURRENCE IN MAN. 



739 



I left Greenland the excrement had become firmer, but the patient 

 was still very thin, which was contrary to her usual tendency." 



Whether the above history describes the symptoms of a helmin- 

 thiasis, or the attendant effects of pregnancy, can, in spite of the 



FIG. 399. Three 

 joints, seen (A) from 

 dorsal, and (B) from 

 the ventral surface, 

 (x 2.) 



FIG. 398. Head of the 

 same (A) from the side, (B) 

 from above. ( x 8.) 



Fio. 397. Bothriocephcdus 

 co?*causfromman (nat. size). 



antecedents, hardly be determined; the account serves, however, as 

 documentary evidence of the occurrence of the worm, and is therefore 

 included in the present account. 



At first sight the worm appeared not a little different from the 

 tape-worms of the dog which were sent along with it, though the 



