42G Dr. J. L. Hancock's Further Studies of Tdriginie. 



infuscate, liind tibia* feriii;^'in(»up, obscurely infuscate at the middle 

 part. The subgenital plate of the female abdomen liavin,^ the apical 

 marginal sinus broadly and yet quadrately excavate, c<[ual in width 

 to the bases of both inferior blades of ovipositor, the small angulate 

 lobe thus formed on each side smooth, underneath the subgenital 

 plate is infuscate. 



Entire length of body, female (front to end of wings), 15 mm. ; 

 pronotum 12'8 mm. ; jjosterior femora 7*5 mm. 



One example from Brazil, S. America, collected by Bates; 

 W. W. Sauuder.s' collection, presented by Mrs. F. W. Hope 

 to the University Museum, Oxford. 



2. S. hrevis, sp. no v. 



Male. — Colour : dorsum of pronotum, vertex, and the anterior 

 and middle legs brownish ferruginous, face below the eyes and 

 lateral lobes below the middle pale yellow ; lateral lobes above 

 obscurely infuscated or pale granulate ; the elytra, posterior femora, 

 and hind tibiai dark infuscate ; abdomen jjale yellow toward the 

 apex. Body small, pronotum and wings abbreviated, elytra immacu- 

 late; head little com2Jresso-elevated, the base of the large globose 

 eyes much lower than the middle dorsal summit ; vertex smooth, 

 sides convergent forvrard, nearly equal in width to one of the eyes, 

 viewed from above the frontal costa barely protrudes beyond the 

 anterior border ; frontal costa narrowly compressed between the 

 antennae, in jirofile convex, the face oblique. Pronotum very small, 

 anteriorly produced in an elevated uncinate spine, 2)osterior i)rocess 

 acute not at all extended backward to the knees of hind femora ; 

 median carina percurrent, little obliquely ascendant forward, and 

 horizontal posteriorly; prozonal carina} subexpressed; lateral carinas 

 distinct at the humeral angles, anterior and middle femoral apices 

 not at all spined. 



Entire length of body from front to a])ices of hind femora, 9-7 

 mm.; pronotum 7"5 mm.; posterior femora 5'5 mm. 



One example from Cacliabi, Ecuador, 50U ft., Nov. 190G, 

 collected by Rosenberg ; presented by Malcolm Burr to the 

 University Museum, Oxford. 



Explanation ov Plate XXII. 



[See Explanation facing the PIjATE.] 



