822
NEMATODES
[CHAP.
Necator americanus, Stiles, 1902
Synonym.—Uncinaria americana.
History.—In May, 1902, Stiles discovered that ankylostomiasis in America was not, as a rule, due
Male[1]Female.
Fig. 181.—Necator americanus. (After Placencia.)
to Ankylostomum duodenale, but to a new species of the closely allied genus Necator, which he named Necator americanus.
- ↑ Stitt has pointed out that there are not really two separate spicules, but that two are united together to form one terminal prong.
