PYGIOPSYLLA ROBINSONT, 197 
anal plate of usual shape, ventrally-anteriorly rounded, pro- 
vided with 7 bristles. 
Modified segments of Pygiopsylla robinsoni (Rothsch.) ¢. 
Propleurum of usual shape, reaching anteriorly nearly 
the front of the eye. 
Mesopleurum almost triangular, its top upwards, its ante- 
rior angle truncated. Mesepisternum with one stronger and 
three shorter bristles in its basal-posterior angle. Mesepimerum 
with two transverse rows of 3 bristles each; the posterior 
row on the free blade that partly covers the metanotal 
squama and the metepisternum. 
Metapleurum. Metasternum anteriorly-ventrally rounded, 
anteriorly with 22 minute hairs. Metepisternum with one 
strong bristle near the dorsal side. The metepisternum 
reaching far dorsad, with its stigma on its posterior side; 
it is provided with 3 transverse rows of 4, 4 and 3 bristles; 
Notes from the Leyden Museum, Vol. XX XI. 
