282 PROCEEDINGS OF THE ACADEMY OF [May, 



SubfamUy PANCHLORIN^. 

 Fanchlora thalassina Saussure and Zehntner. 



1893. Panchlora thalassina Saussure and Zehntner, Biol. Cent.-Amer., 

 Orth., I, pp. 91, 93. [Guatemala; Santa Catharina, Brazil; La Plata, 

 Argentine Republic] 



Misiones. April 20, 1910; November, 1910. (No. 2.) One 

 male, one female. 



The above fully agree with material from Puerto Bertoni, Para- 

 guay. The form has been reported from Sapucay, Paraguay (Cau- 

 dell) and Tala, Salta and San Lorenzo, Jujuy, Argentina (Giglio-Tos) . 



SubfamUy BLABERIN^. 

 *Monastria biguttata (Thunberg). 



"1826. Blatta biguttata Thunberg, Mem. I'Acad. St. Petersb., X, p. 276, 

 pi. 14." 



Misiones. January 29, 1911. (No. 10.) "Common." One 

 female. 



This specimen is very interesting as, while it fully agrees with the 

 descriptions of the female of this species in every other respect, 

 according exactly in the form of the tegminal margins, it differs in the 

 tegmina being distinctly longer than in the more usual type described. 

 The tegmina in our specimen cover nearly half of the abdomen and 

 are nineteen millimeters in length from the point of attachment to 

 the extreme portion of the margin. The previous descriptions give 

 the length of the tegmina as from ten to twelve millimeters. 



All of the older records of the species are simply from ''Brazil." 

 The present author has recorded a male from Yaguarasapa, Paraguay, 

 while Giglio-Tos^ has recorded what is in all probability this or a 

 congeneric species from Paraguay as Blabera fumigata, a peculiarly 

 Cuban species, the female of which resembles this genus. 



*Blaberus fraternus Saussure. 



1864. Blabera fraterna Saussure, Mem. I'Hist. Nat. Mex., Ill, p. 241. 

 [South America; Cuba?] 



Jujuy. April, 1911. One female. 



This specimen shows a few differences from the original description, 

 which was based on the male sex, but these are probably only sexual. 

 In all the more important characters, which would be shared by both 

 sexes, our specimen agrees with the description. The pronotal 



2 Zoolog. Jahrb., Abth. Syst., VIII, p. 805. 



