296 PROCEEDINGS OF THE ACADEMY OF [May, 



extremity rouijded with a slight median truncation; lateral margins 



finely serrulate, median carina thin, decided and well elevated. 



Tegmina over twice the length of the pronotum, of the type found in 

 other species of the genus. Wings exceeding the 

 tegmina by about the length of the collar of the prono- 

 tum, apex of similar form to that of the tegmina. Supra- 

 anal plate elongate acute-lanceolate, considerably sur- 

 passing the subgenital plate, carinate ; cerci nearly twice 



y 7 _p the length of the supra-anal plate, elongate monihform, 



r'am'usonia apex acute; subgenital plate with the distal margin 



seclma n ^^^ rounded, styles moderately long, well separated, 

 sp. J-JorsS;! I'll • /-^^ 1 



outline of Simple, the space between slightly emargmate. Leph- 



pronotum ^jj^ (^Q^se subequal to the length of the pronotal shaft, 



(X 2.) margins very finely serrulate; cephalic femur with the 



dorsal margin nearly straight, armed on the external 



margin with five spines, on the internal margin with thirteen spines, 



discoidal spines four in number; cephalic tibiae about two-fifths the 



length of the femur, armed on the external margin with five spines 



placed on the distal section of the margin, internal margin armed 



with seven to nine spines; cephalic metatarsus slightly longer than 



the remainder of the tarsal joints and subequal to the tibiae in length. 



Median and caudal limbs extremely slender, caudal metatarsus but 



slightly less than half of the caudal tibial length. 



General color fawn color, mottled, sprinkled, clouded and washed 



with hair brown and seal brown. Head strongly washed with the 



overlying color, the line of the occiput showing up as the clear base 



color, ocelli tawny olive, eyes mars brown. Tegmina pale brownish 



hyaline, the longitudinal veins prout's brown, the adjacent portions 



of the short cross veins of the same color, intercalated veins and 



remainder of cross veins cream color. 



Measurements. 



Length of body 32 . 5 



Length of pronotum 7.8 



Greatest Avidth of pronotum 1.5 



Length of tegmen 18 . 5 



Length of cephahc femur 6.2 



Length of caudal femur 11. 



The type of this species is unique. 



Thesprotia vidua Saussure and Zehntner. 



1894. Thesprotia vidua Saussure and Zehntner, Biol. Cent.-Amer., Orth., I, 

 p. 170. [South America.] 



Misiones. January 3, 5 and 10, 1910; March 29, 1910; October 



