Anterior tibia torpedo-shaped, acutely triangular, apex produced over 

 (but widely separated from) the dorsal margin of the pala. Dorsal margin 

 of pala strongly arcuate, furinshed with 2 entire rows of teeth; of which 

 the upper row is arcuate, more or less parallel to, and following the 

 direction of, the dorsal margin of the pala (starting from the base and 

 ending at the apex thereof), comprising about 25 long and narrow teeth; 

 the lower row, comprising 9 rather smaller teeth , is fairly straight, 

 commencing at the base of the pala (near the ventral margin) and ending 

 abruptly about one-third of the Iength of the margin [fig. 4|. 



Strigil absent, apical margin of seventh dorsal segment furnished with 

 a row of long and stout bristly hairs. 



9 Usuai ly (? always) larger than d\ Pala narrowly cultrate [fig. 5J. 



Length 7-8 mill , breadth 3 mill. 



d"? Quito; la Goncepcion, Ville de Mira; Tumaco. 



Brownish, head & legs luteo-testaceous; pronotum with about 8 yellow 

 lines, often furcate & anastomosing. Lines of clavus fairly straight and 

 dilated at base, undulated & narrow at apex; lines of corium and mem- 

 brane interrupted, abbreviated & contortuplicated (pale markings of corium 

 almost arranged in rows, but iongitudinal brownish lines not altogether 

 entire). 



The brownish colour of the apex of corium & of the membrane of 

 the left elytron is very pale, sometimes quite obliterated. 



Sterna, metaxyphus <£ abdomeu (dorsal and ventral) blackish. 



Posterior tarsi destitute of black spots. 



NB. — Althnugh the black spot on each posterior tarsus has always 

 heen considered characteristic of the subgenus Callicorixa, it is never- 

 theless absent in this species and in C. Griflìnii, and it is probable that 

 a number of imperfectly known American species will be referred later 

 to this subgenus. The black spot has diminished to a mere speck in 

 some exemples (kindly sent me by Dr. Horvàth) of C. concinna (Fieb.), 

 from the Caucasus. The peculiari}* shaped anterior tibiae (o") of this 

 species are very similar to those of C. Cubae Guér., in the sanie sex. 



11. Corixa Oriffìnii sp. nov. 



Belongs to subgenus Callicorixa. 



Similar in shape to C. Rollarli, length 3 times as great as width. 



Pronotum and clavus slightly rastrate, corium and membrane scarcely 

 rastrate. 



Widlh of pronotum twice as great as its length, lightly rouuded at 

 the base, notangulate; lateral angles acute. Metaxyphus long triangular, 

 lateral margins slightly sinuate. Macropterous, nevertheless corio- 

 membranal suture not very distinct. Anterior femur not incrassate (com- 

 pantively); intermediate femur twice as long as the tibia, which is 5 / tf 

 l.'Uger thau the tarsus, claws i j t longer than the tarsus. 



