REVISION OF THE SARCOPSYLLIDAE 53 
Thorax. — The pro- and mesonotum have each a row of bristles, the lower ones 
being long. The metathoracical epimerum bears a row of four to six bristles. 
Abdomen. — The tergites one to seven bear on each side one bristle, the bristle 
being heavier on the anterior than on the posterior segments. On the first and 
seventh there are in the $ two bristles on each side, the first tergite bearing, more- 
over, an additional bristle in front of them. On the seventh tergite there is, besides, 
a subapical bristle (PI. Ill, Fig. 21). The stigmatical cavities ot the abdomen are in 
the $ nearly the same size as that ot the metathoracical epimerum. In the $ they 
are much smaller. 
Legs. — The hindfemur bears a row of four to six bristles. The fifth tarsal 
segment has on each side four bristles, besides a subapieal hair, the fourth bristle 
being much smaller than the others (PI. IV, Fig. 27). There are two subapical ventral 
bristles on this segment. The claw has a slight basal projection. The measure- 
ments of the mid and hind tarsi are as follows : — 
First Segment 
Second Segment 
Third Segment 
Fourth Segment 
Fifth Segment 
Mid tarsus, 
$ ... 
7-9 
6-7 
5 
,5-16 
Mid tarsus, 
9 
8-9 
10 
7 
6 
16 
Hind tarsus, 
$ 
17-2 1 
1 1-13 
7-8 
6-7 
15-17 
Hind tarsus, 
9 
20-23 
13-14 
9 
18 
Modified Segments. — The eighth sternite is obliquely emarginate apically, 
becoming gradually shorter dorsally. The internal portion of the ninth tergite is 
much shorter than it is wide, being longest dorsally. The manubrium (PI. Ill, Fig. 
21, M) is long and very slender. The hairy flap (P 1 ) of the clasper bears one long 
hair ventrally at the apex. The tree distal portion of the finger (F) is much 
longer than the narrowed proximal portion. The ninth sternite (ix. st.) is very slender. 
%. The eighth tergite (PI. II, Fig. 14) is sinuate ventrally at the apex. It bears 
on the outer side a few slender bristles, and on the inner side a curved row of five 
to six short ones, of which latter the upper three are strongly chitinized. The 
stylet is very short, being only a little longer than it is broad. 
This species occurs in the tropical and subtropical districts of Asia, in the 
Aethiopian region, and in the southern districts of the Neartic region, being, doubt- 
less, distributed by the introduction of the domestic fowl. We have not yet received 
it from Central and South America. 
West,/ood's specimens of galUnaceus are apparently not contained in the 
Hopeian department of the Oxford Museum, there being no specimens of this 
species among the Siphonaptera of that institute, which Professor E. B. Poulton kindly 
