P U A K N A. 



85 



ad. Vertex of head at area of ocelli often only very 

 slif^htly longer than front. 

 cc. Tegmina with transverse vein at base of second 



apical area strongly oblique Tyinpanoterpes. 



13. Head (including eyes) considerably bro.ider than 

 base of mesonotum ; eyes projecting beyond anterior 

 angles of pronotum. 

 hh. Posterior angles of pronotum more or less lobately 

 produced. 

 d. Tympanal coverings large and only moderately 

 internally deficient. 

 e. Tegmina with transverse vein at base of second 

 apical area more or less vertical. 

 f. V'erte.K of head at area of ocelli about as long 



as front Ollania. 



ff. Verte.x of head at area of ocelli much longer 



than front Pacarina. 



(id. Tympanal coverings only developed on lateral 

 areas. 

 ee. Tegmina witli transverse vein at base of 



second apical area strongly oblique Ari(h<(t. 



Metasternnm transversely elevated and anteriorly 

 angularly or subangularly produced. 



C. Head (including eyes) about as wide as base of 



mesonotum ; eyes not pmrect Fidicina. 



D. Head (including' eyes) considerably broader than 



base of mesonotum ; eyes porrect, more or less 

 stylate. 

 (J. Pronotum about as long as mesonotum ; tympanal 

 coverings in S with their inner margins strongly 



concave Hemiscieia. 



(jij. Pronotum shorter than mesonotum ; tympanal 



coverings in (S not concave interiorly Majcorotia. 



Genus IJ4. Proama. 



Proarna, Stal, Stett. ent. Zeit. xxv. p. tU (1864) ; id. Hem. 



Afr. iv. p. 7 (18GG) ; Dist. Ann. Mao-. Nat. Hist. (7) xv. 



p. 311 (1905). 

 Type. F. hilaris. Germ. 



P. hilaris. _ Antilles. 



Cicada hilaris, Germ, in Silb. Rev. Ent. ii. p. GO 



(1834); fcital, Ofv. Vet.-Ak. Forh. 1862, 



p. 481. 

 Cicada suhtincta, Walk. List Horn. i. p. 147 



(1850) (exol. liabitat) ; Atkins. J. A. S. 



Beng. liii. p. 229 (1885). 

 Tympanoterpes suhtincta, Stdl, Ofv. Vet.-Ak. 



Forh. 1862, p. 485. 

 Cicada alhiffos, Walk. List Horn. i. p. 148 



(1850). 



