CRTPTOTYMPAHA. 85 



bb. Tegmina ivitJi only extreme base black or jnceous. 



e. Ojiercida in male slightly overlaj^ping at inner margins, obtusely 

 and broadly angulated at apices which do not extend beyond 

 basal abdominal segment. 



1569. Cryptotympana insularis, Dist. A. M. N. H. (5) xx, p. 416 

 (18S7) ; id. Mon. Orient. Cicad. p. 91, t. xi, f. 2, a, b (1891). 



S. Body short and broad; head, pronotum, and mesouotum 

 dark oHvaceous, eyes and ocelli ochraceous, front with lateral black 

 caringe ; pronotum with a pale central longitudinal impression, the 

 incisures somewhat dark ; mesonotum with four anterior obconical 

 spots, of which the two central ave largest, and a transverse spot 

 in front of cruciform elevation dull dark castaneous ; abdomen 

 above dark brownish-olivaceous, the segments palely pilose : body 

 beneath olivaceous ; face with a central, longitudinal, levigate, 

 ocliraceous fascia ; rostrum piceous and almost reaching the pos- 

 terior coxae ; abdomen beneath brownish-ochraceous ; legs with 

 anterior femora dark ochraceous, their apices and the anterior 

 tibiae and tarsi piceous ; intermediate and posterior femora brownish, 

 trochanters piceous, tibiae ochraceous with their apices and the 

 tarsi piceous, posterior tarsi with a central ochraceous annulation ; 

 tegmina and wiugs hyaline, with a slight fuscous tiage, both 

 narrowly dark fuscous at base ; tegmina with the venation and 

 costal membrane olivaceous, transverse veins at bases of second 

 and third apical areas distinctly infuscate. 



Length excl. tegm., S , 3(5 ; exp. tegm. 115 millim. 



Hab. Andaman Islands ; Port Blair (Meldola). 



C. Tegmina witJi only the extreme base piceous or black, the 

 transverse veins at bases of second and third apical areas 

 infuscate. 



ee. Opercida in male not extending beyond basal abdominal 

 segment, their apices someiuhat truncately rounded, their inner 

 margins meeting but not overlapping. 



1570. Cryptotympana vesta, Dist. (Cicada) Tr. E. S. 1904, p. 673, 

 pi. XXX, f. 4, a, b. 



Head black, a central line to face and anterior narrow margin 

 to vertex ochraceous ; pronotum castaneous, its posterior margin 

 and a central longitudinal fascia margined with black, ochraceous ; 

 mesonotum black, two central, discal angulated fasciae with a spot 

 between them, and the basal cruciform elevation, ochi'aceous ;, 

 abdomen above black ; body beneath and legs pale ochraceous, 

 greyishly pilose ; opercula and anal segment bright ochraceous ; 



