184 Transactions South African Philosophical Society. [vou. XU. 
Key to the Genera. 
A?. Clypeus arcuate or straight laterally, not incisedinfront True ScHIZoNYCHIDES. 
B?. Episterna broad or somewhat broad, not carinate along 
the epimera. 
C*. Anterior margin of prothorax with a lateral fringe 
of hairs, nude in the centre. 
D?. Frontal part with a posterior transverse eleva- 
tion or keel along the base. 
Clypeus with a transverse frontal suture and 
an intermediate frontal keel; claws with two 
basal vertical teeth.. .. .. .. .. .. .. Grlyptoglossa. 
Clypeus with a frontal, slightly arcuate keel, 
claws cleft underneath... ... .. .. .. .. Beriqua. 
B'. Episterna narrow, carinate along the epimera. 
a. Labial palpi inserted on the outer face of the mentum. 
b3, Clypeus with the outer angles rounded. 
c?, Claws three-toothed underneath. 
Prothorax conyex. 
d?, Clypeal carina set close to the frontal suture and 
often obliterating it. 
Antenne 10-jointed So 80 oo on po 66 aa Iaixoonvaha. 
LMMSaATG Col 45° 35 ao oa. 6a 3d co oo lia 
d*. Prothorax hollowed infront... .. .. .. :. .. Hntyposis: 
a‘, Labial palpi inserted laterally. 
b>. Clypeus with the outer angles rounded. 
c'. Claws long, slender, simple underneath .. .. .. Holisonycha. 
b*. Clypeus straight laterally with the angles sharp. 
Claws 4-toothed underneath 60) Sn Gdiece oo SRO. 
D*. Frontal part without a transverse elevation or 
keel along the base. 
a?. Clypeus with a frontal keel. 
Keel very sharp, antenne 9-jointed .. .. .. Syngeneschiza. 
C*. Anterior margin of prothorax, pubescent in the 
centre. 
a’, Clypeus with a frontal suture. 
Third antennal joint not elongated, lower tooth 
of claws truncate .. .. .. .. .. .. «. Suntemnonycha. 
A‘. Clypeus porrect, little rounded laterally, incised or sinuate 
in fromte ss fice O22 2. an gee ee tee Tee 
