802 Tiannactions South African Philosophical Society, [vol. xii. 



Differs from Gymnoloma in general facies as well as in the different 

 shape of the mentum, the quadi'i-dentate lobe of the maxillae, and 

 the great development of the labrum. 



Key to tJie Sjjccies. 



riothorax with a median, a supra-lateral and a marginal band of 

 white scales ; scutellum scaly ; elj'tra with a diseoidal white band 

 reaching from the base to the middle, and a very short juxta-sutural 

 median one ; pygidium non-squamose Uiieohi. 



Prothorax with a median, a supra-lateral, and a marginal band of 

 white scales, and also a supra-marginal patch; elytra with a juxta- 

 sutural band of white scales and a basal diseoidal one ; pygidium with 

 appressed, squamose hairs (iliena. 



GOUNA LINEOLATA, BlU'm., 



Gymnoloma lineata, Handb. d. Entomol., iv., 1, p. 162. 



Black; head, prothorax, and elytra very closely punctate, the 

 punctures scabrose and partly hidden by a very short, sub-appressed, 

 slightly flavescent pubescence, the clypeus is a little narrowed 

 obliquely towards the apex with the sides sinuate and slightly 

 emarginate at tip, it is impressed somewhat deeply, and the apical 

 margin is reflexed ; the prothoi'ax has a narrow median line and a 

 supra-lateral one of white scales, and the outer margin is moderately 

 broadly banded with similar ones ; the scutellum is densely squamose ; 

 the elytra have a diseoidal band of white scales beginning close to 

 the base but barely reaching the median part, and a juxta-sutural 

 one slightly shorter than the diseoidal, beginning at about the median 

 part, and obliterated at a good distance from the apex ; propygidium, 

 abdomen, and pectus clothed with dense silvery-white scales ; pygi- 

 dium closely punctured, not scaly or haiiy ; anterior tibiae sharply 

 tri-dentate ; legs with squamose whitish appressed hairs ; hind legs 

 simple, slender, hind tibiae without apical spur. 



Length 6^-7 mm. ; width 3A-3if mm. 



Hab. Cape Colony (Caledon, Swellendam, Bredasdorp). 



GouNA .\LiEXA, n. spec. 



Black, sub-opaque, with the head, prothorax, and elytra closely 

 scabroso-punctate and covered with very short, sub-appressed 

 greyish hairs and greyish-white elongate scales numerous on the 

 head, and forming on the prothorax a median line, a supra-lateral 

 ])and, usually interrupted in the middle, and an entire marginal 

 one, as well as a supra-marginal, lateral, median patch ; scutellum 



