p. 6

Order III Parasita
Wingless; feet b; abdomen without articulations of movable appendages; eyes
2 or 4, single; mouth mostly internal, exhibiting externally either a snout
or mamilla, containing a retractile sucker or two membranous
and approximating lips, with 2 hooked mandibles.

Genus [Perciculus?] Lin. Deg.
Head distinct; feet b articulated on teh thorax; antennae 2; eyes 2, having
distinct facets; mouth consisting of a rostrum; enveloping an
extensile sucker; destitute fo mandibles or jaws.
humanis corphoris. Deg. Dirty white; immaculate; emarginations of the abdomen
less salient than in the following species.
humanis caphitis. Def. Cinereous; the spaces in which the stigmata
are placed brown or blackish; lobes of the abdomen rounded.
[illegible] (see below

Phthirus—Leach
Body wide, round; thorax short; 4 poserior feet very stout
pubis, Lin. abdomen emarginate behind; legs chiliform; antennae
5=jointed

ricinoides, Lin [Perriculus] Abdomen orbicular, marked with a white
line, [sculellrum?] 3=lobed; snouts white. (American)

Order IV Suctoria
Wingless; mouth of 3 pieces enclosed between two articulated laminae,
which when united form a cylindrical or comical probosis or [rortum?]
the base of which is covered by two scales.

Pulex Lin.
Body oval, compressed, feet 6; rostrum jointed and consisting
of two plaes; enveloping a sucker
irritans, Lin. Deep chestnut brown, the legs paler; the segments bordered
with short stiff hairs
penetrans Lin.