Species of Tropical African Solifuge. 261 
limbs mostly black above, but the femora and basal joints 
largely yellow, the femur of the palp having merely a median 
longitudinal dorsal stripe ; lower surface of abdomen and of 
basal segments of legs pale. 
Head flattish, furnished in front with a few symmetrically 
arranged stout spiniform bristles ; bristles on the tubercle 
aN fax 
Fig. 4. Flagellum and upper fang of mandible of Solpuga sericea, sp. n. 
Fig. 5. Ditto of 8S. Darlingii, sp. un. 
Fig. 6. Ditto of S. Monteiri, Poe. 
Fig. 7. Ditto of S. venator, sp. n. 
Fig. 8. Ditto of 8. Keyserlingii, Poe. 
Fig. 9. Ditto of 8. Parkinsoni, sp. n. 
also spiniform and symmetrically placed; head-plate more 
than half but less than two thirds the length of the tibia of 
the palp. 
Mandible with relatively a small number of spiniform sete 
above ; the upper fang long, carinate above, curved down- 
wards at the apex ; teeth of the upper jaw strong, sharp, and 
normal; two small teeth intervening between the second 
large tooth and the next largest; flagellum with moderately 
elevated basal lamina, the terminal portion smooth, taking 
_its backward curve at a point just behind the line of attach- 
ment of the second tooth of the fang, running backwards and 
