Species of Tropical African Solifuge. 265 
6", Flagellum rising more vertically with an 
open curvature, sinuous in the distal 
@eurih. of itslemgiier .pmes ss ces oe ss Parkinsont, sp. 0. 
4°. Flagellum not serrated, long or short. 
a°, Flagellum short, only just surpassing the 
basal lamina. 
a*. Of large size: prevailing celour ochre- 
yellow, though partially infuscate ; 
palpus much longer than third leg .. Darlingiz, sp. n. 
6°. Of small size: head, mandibles, and 
limbs striped with black; palpus not 
longerithen third leg.) 3)..../.2..% sericed, Sp. . 
b°. Flagellum long, reaching back to the 
ocular tubercle. 
a, Apex of flagellum not distinctly 
sinuate, its basal portion lying high 
above! the Tamina: 2.05.0. 00. 6 dents: Monteiri, Poe. 
6”. Apex of flagellum strongly sinuate, its 
basal portien lying close to the lamina. 
a'', Apex of flagellum simple ........ venator, sp. n. 
6". Apex of flagellum bifid .......... lethalis, Koch. 
Females. 
a. Head, mandibles, and limbs black or deep elive- 
green above and below. 
a'. Width of cephalic plate less than the length of 
the tibia of the palp or of the fourth leg, equal 
OME CURT OLAS e tae a persian @ Sicievaole sua) ashes = Butleri, Poe. 
b'. Width of cephalic plate greater than tibize or 
protarsi of palp and of fourth leg. 
a*, Colour almost black, edges of malleoli pale ; 
width of cephalic plate only slightly ex- 
ceeding length of tarsus and protarsus of palp 
and about equal to the tibia and one fourth 
of the protarsus of the fourth leg; tibia of 
fourth leg equal to protarsus in length...... nigrescens, Poe. 
b*. Colour olive-green; edges of malleoli infus- 
cate; width of cephalic plate exceeding 
length of protarsus and tarsus of palp by at 
least the length of the tarsus, and equalling 
the length of the tibia and almost one half 
the protarsus of the fourth leg; tibia of 
fourth leg exceeding protarsus by half the first 
segment of the tarsus................+0+- caffra, sp. 0. 
b, Head-plate, mandible, and limbs mostly pale, 
though sometimes partially infuscate. 
a°, Inner angle of each half of the genital opereulum 
produced. 
a‘, Angles of operculum with strong lobate promi- 
nence; colour redder, distal segments of 
Masterton legs Ped 255). sete sen wees ole hostilis, White. 
b*, Angles of operculum not strongly produced ; 
distal segments of posterior leg fuscous .... Marshalli, Poe. 
b°, Inner angles of operculum not produced, rounded. 
a’. Legs longer; width of head-plate less than 
Ann. & Mag. N. Hist. Ser. 6. Vol. xx. 19 
