K. Jordan and N. C. Rothschild 
89 
moreover, has a row of thin subapical spines (PI. II, fig. 2); both the 
meso- and metanotum have some additional short bristles dorsally in 
front of the rows. 
Abdomen. The tergites have two rows of bristles: the anterior row, 
however, is incomplete, especially in the </, being in this sex represented 
by only a very few bristles on the central and posterior segments. The 
posterior row contains on the central segments 14 or 16 bristles on the 
two sides together. The basal sternite has no bristles on the side. 
The sternites of segments 3 to 6 bear a row of 6 to 8 bristles on the two 
sides together, there being no additional bristles in front of this row, 
the sternite of the seventh segment bearing in the $ 10 to 12 bristles. 
Legs. The posterior edge of the hindcoxa is only slightly rounded. 
The mid- and hindfemora bear one subapical ventral bristle on the 
outside and 2 to 4 lateral ones near the base, there being on the inside 
one row of bristles, containing on the hindfemur about 6 bristles in the 
</ and 9 in the $. The tibiae bear one row of lateral bristles. The 
first midtarsal segment is shorter than the second. The fourth hindtarsal 
segment is one-third longer than it is broad. 
Modified segments. . The clasper (PI. YI, fig. 5, Cl) is almost 
square, the upper angle being slightly acuminate, and the lower angle 
rounded off. There is a row of bristles along the distal and dorsal edges 
as shown in the figure (PI. VI, fig. 5). The finger (F) is small, elongate- 
conical, bearing a row of bristles at the distal edge. The ninth sternite 
is slightly curved, the obtuse tip being somewhat dilated.— $. The 
eighth tergite bears a row of 8 or 9 bristles along the apical and ventral 
edges, there being between this row and the stigma 6 or 7 more bristles 
on the side; on the inner surface of the segment there is a dense patch 
of bristles near the apex. The stylet is cylindrical, being twice as long 
as it is broad. 
Length. </ l'4o mm., $ 2T mm. 
A small series of both sexes from the Coast Hills, Chile, off Burrowing 
Rat; also from Valparaiso, no host being given ; J. A. Wolffsohn. 
(4) Parapsyllus corfidii Rothsch. (1904). 
(PI. VI, fig. 6.) 
Pulex corfidii Rothschild (1904 «, p. 619, n. 13, t. 9, fig. 27, t. 10, fig. 33, Valparaiso, 
off Octodon degus ). 
Rhopalopsyllm corfidii Baker (1905 a, pp. 130, 144). 
Head. The frons is much more strongly rounded than in the other 
6—5 
