384 A. SEDGWIOK. 
2. Inner jaw with a diastema and a saw of denticles 
(Fig. 1). 
Fic. 1.—A outer, B inner blade of jaw of P. Sedgwicki 
(After Sedgwick.) 
3. Legs with four to seven spinous pads (Fig. 2). 
Fre. 2.—P. ecuadorensis Bouv., female. Ventral view of 
fourth leg, showing the pads, the position of the nephridial opening, 
and the pedal papillae. (After Bouvier.) 
4. Nephridial openings of legs four and five on the proxi- 
mal side of the fourth pad either attached to it or separate 
from it. 
5. Feet with three (Caribbean species), or from four to 
seven (Andean, Fig. 2), distal papillee. 
6. The genital opening is between the legs of the penulti- 
mate pair. . . 
7. Oviduct is provided with a receptaculum seminis, which 
contains spermatozoa, and has two ducts (Fig. 3). 
1 This is the Venezuelan species referred to in the footnote on p. 395. 
