342 Mr. Butler o7i varinns (jcnera of the 



angles decidedly more acute ; prouotum lougcr, more tapering, 

 with the apex usually slightly curved upwards. Length 17, 

 width at humeral angles 6 mm. 



Constancia (H. Clark). Type Brit. Mus. 



We have three examples of this species, one of which has the 

 apex of the pronotum straight. 



3. Jlebetica apicalis. 



Darnis apicalis, Fairm., Ann, Eut. Ser. 2, iv, p. Ib3, 23 

 (1846). 

 Brazil. 



4. Hebetica limacodes. 



Darnis liinacodcs, Burm., Silb. Revue iv, p. 175, 12, pi. 30, 

 figs. 13-1(5 (1836). 



Tejuca (H. Clark). Brit. Mus. 



CRYPTOPTERA, Stal. 



1. Cryptopfera olivacea. 



Darnis olivacea, Fabr., Syst. Rhyn. p. 28, 8 (1803). 

 Constancia (H. Clark). Brit. Mus. 



2. Cryptopdera acutn.la. 



Darnis acntnla, Fairm., Ann. Ent. Ser, 2, iv, p. 481, 13 

 ri846). [ 



Brazil. Brit. Mus. 



3. Cryjdoptera brevis. 



Darnis brevis, Fairm., Ann. Ent. Ser. 2, iv, p. 483, 18 

 (1846). 



Mexico (Salle). 



The groups adopted' above were characterized as sub-genera 

 of Darnis, but since Stal has given good distinctive structural 

 characters T prefer to regard them as genera. 



DECTONURA, U. gen. 



Pronutnni, Avhen viewed laterally, similar to Hebetica; l)Ut, 

 seen from above, with a central longitudinal carina gradually 



