272 HON. N. CHARLES ROTHSCHILD—ON A NEW FLEA. 
Fic. 2.—Clasping organs of Ch. potis, $. M., manubrium ; 
Cl., clasper ; F., finger ; P., process of the clasper. 
OQ. The seventh sternite is ventrally truncate, and laterally produced into a 
short obtuse lobe (fig. 3). The eighth tergite has no bristles above and below 
(( a \ yea 
SOE TS is 
~* Vili. 
Vilst. 
~Hlhst 
Fic. 3.—Abdominal segments VII. and VILL., and recep- 
taculum seminis (R.s.) of Ch. potis, 9. 
the stigma, but bears about 6 bristles near the apical ventral margins on the 
outer surface, and about 9 at the apical edge. The stigma of this segment is as 
large asin the S. The eighth sternite is small, and has no bristles. The stylet 
is slender. ‘The anal tergite bears dorsally on each side a long bristle which 
equals in length the apical bristle of the stylet. The receptaculum seminis is very 
small, the tail being of about the same length as the head, and the latter being 
thinnest centrally (fig. 3, R.s.). 
Length, J 1:5 mm., Q 1:9 mm. 
One ¢ and three QQ from Zomba, Nyassaland, taken by Dr. H. 5S. Stannus, 
in December, 1910, off the large elephant shrew, Rhynchocyon cirnei, Peters. 
