EIHANA. 79 



Head distinctly longer than half the breadth between eyes, and 

 (including eyes) wider than base o£ mesonotnm ; front more or less 

 prominent, its lateral margins in line with lateral margins of 

 vertex ; eyes oblique, longer than broad ; pronotum a little nar- 

 rowed behind eyes, about or almost as long as mesonotum in front 

 of cruciform elevation ; abdomen not, or scarcely, longer than 

 length between apex of face and base of cruciform elevation ; 

 other characters generally as in Cicada. 



1561. Rihana mixta, Kh-by (Dundubia), /. Linn. Soc, Zool. xxiv, 

 p. 128 (1891). 



Body above black ; head with basal and apical spots and lateral 

 fasciate lines ochraceous, vei'tex with an ochraceous spot on each 

 side of ocelli and its lateral margins ochraceous ; pronotum with 



Fig. 40. — EiJiaua inixta. 



a central fascia and the margins ochraceous or greenish-ochraceous; 

 mesonotum with two central obeonical spots only denoted by their 

 ochraceous margins, the lateral margins (often connected with the 

 apices of the obeonical spots) ochraceous ; abdomen with a large 

 white pubescent spot behind base of tympanal coverings ; head, 

 sternum, and legs ochraceous ; abdomen beneath reddish-ochraceous ; 

 transverse strife to face, spot between face and eyes, anterior legs 

 with the base of coxae, under surface of femora, tarsi, and most of 

 the tibiae black, intermediate and posterior legs much less marked 

 with black ; tegmina and wings hyaline, the venation, except near 

 base, fuscous ; tegmina with extreme base, basal cell, costal mem- 

 brane and area ochraceous. 



Length excl. tegm. 30 ; exp. tegm. 97 millim. 



Hah. Ceylon {Green). 



This species is very closely allied to the Malayan E. viridis, 

 Fabr., of which I have hitherto treated it as a synonym. It is a 

 larger insect, judging from the type in the British Museum, 



