252 Annals of tlie South African Museum. 



lateribus confertim punctato seriatis, dorso depresso, profunde 

 punctate, punctis squamis repletis ; subtus squamosus ; pedes 

 mediocres, parce squamosi. Long. 7 mm. ; lat. 3 mm. 



This singular insect is very much like an Argas in general 

 appearance. 



Hab. Cape Colony (Prieska). Dr. W. F. Purcell. 



TEIBE EPITEAGINI. 



GEN. DEBOSTBOPHUS, Fairm. 



DEROSTROPHUS FORCIPATUS, 

 Plate VI., fig. 5, 5a. 



Piceus, palpis, antennis pedibusque rufo-brunneis ; caput confertim, 

 epistomacrebrius punctatum ; $ mandibulis processu basali porrecto, 

 capite longitudine asquali, externe convexiusculo, interne excavato, 

 apice incurvo, forcipato, margine exteriore ante medium distincte 

 incisa, singulo munito; antennae humeros attingentes; prothorax 

 fere globosus, basi apice ncnnihil angustior, angulis rectis, posticis 

 sub-prominulis, crebre punctulatus ; elytra antice prothorace haud 

 latiora, fere parallela, postice acuminata, convexa, tenuiter, anguste 

 striato-punctata, punctis confertis, sat profundis, interstitiis impunc- 

 tatis ; siibtus castaneus, crebre punctatus ; pedes punctulati. Long. 

 11 mm. ; lat. 3^ mm. 



Allied to I), xantliopus, Fairm., but of larger size ; the prothorax 

 is more rounded laterally ; the elytra are less convex, and the shape 

 of the erect process at the base of each mandible is different, being of 

 the same length as the head, nearly vertical but slightly bent back- 

 wards, and strongly incurved, forceps-like ; it is slightly convex 

 outwardly, scooped inwardly, and with the hind margin strongly 

 emarginate near the incurved part. 



Hab. Cape Colony (Kimberley). 



DEROSTROPHUS HOTTENTOTUS. 



Piceo-brunneus, nitidus, antennis pedibusque castaneo-rufis ; caput 



crebre rudeque punctatum, 3 mandibulis basi cornu sub-porrecto, 



innexo, forcipato, a medio apice inferne excavato, utrinque carinatio, 



$ mandibulis inermis ; antennae ultra medium corporis attingentes ; 



prothorax longitudine latitudine quarto latior, ab apice pone medium 



