Genera and Species o/Cicadidaj. ]o3 



venation ochraceous, darker towards apex, wing-venatiou 

 similarly coloured ; length of head more than half the 

 breadth of space between eyes ; face convexly prominent ; 

 opercula not reaching the basal abdominal segment, mode- 

 rately overlapping at their inner margins, apices broadly 

 convexly rounded, the margins distinctly reflexed; rostrum 

 reaching the posterior coxse. 



cJ . Long., excl. tegm., 26 mm. ; exp. tegm. 73 mm. 



Hab. China ( ^ , Brit Mus. ; ? , Geneva Mus.). 



Genus Cryptotympana. 

 Crijptott/mpana, StSl, Ann. Soc. Ent. Fr. (4) i. p. 613 (1801). 



'J'ype, C. pustulata, Fabr. 



Cryptotympana viridipennis, sp. u. 



^ . Head black, between front and vertex a transverse 

 fasciate series of ochraceous hairs; pronotum black, the 

 anterior margin narrowly, the posterior margin broadly, a 

 central longitudinal fascia neither reaching anterior nor 

 posterior margins, and an oblique fascia between the incisures, 

 greenish ochraceous ; mesonotum greenish ochraceous, four 

 obconical spots proceeding from the anterior margin (the two 

 central spots shorter), the lateral margins (excluding apex), 

 and a spot at each anterior angle of the basal cruciform 

 elevation black ; abdomen above and tympana black ; body 

 beneath and legs black ; intermediate and posterior femora 

 above more or less castaneous, posterior tibiae with a pale 

 annulation near base; sternum thickly ochraceously pilose; 

 tegmina and wings hyaline, the former for less than half 

 from base to apex, and the latter for more than half from 

 base to apex, olivaceous green, the bases of both tegmina and 

 wings black; opercula reaching the base of the fourth 

 abdominal segment, their laieral margins and apex more or 

 less ochraceous, inner margins divergent, concavely sinuate, 

 apices roundly angulated; face with a central ochraceous 

 longitudinal line at base, the transverse striations ochra- 

 ceously pilose. 



^ . Long., excl. tegm., 41 mm.; exp. tegm. 146 mm. 



Hab. Sumatra; Battak Mts. (Brit. Mus.). 



Genus Proarna. 



Prnarna, Stal, Stett. ent. Zeit. xxv. p. 61 (1864). 

 Type, P. hilaris, Germ. 



