170 Mr. E. Slielford on new 



Wings hyaline ; ulnar vein 8-ramose, only three of the 

 branches being complete. Abdomen castaneous, vcntrally 

 with scattered erect pubescence. Legs testaceous, with 

 scattered erect hairs. 



Total length 15*9 mm. ; length of body 12 mm. ; length of 

 tegmina 11*8 mm. ; pronotum 3*1 X 3 mm. 



Hah. CafFraria [J. WaJilherg). 



Type in Stockholm Mus. 



Tliis is one of the smallest species of the genus. 



3. Cyrtotria gibhicolUs, Stal. (PI. X. fig. 12.) 



Ischnoptera gibbkollis, Stfil, CEfv. Vet.-Akad. Fcirh. xiii. p. 165 (1856). 



Perisphm-ia elateroides, Walker, Cat. Blatt. Brit. Mus. p. 176 (1868). 



Perisphceria linearis, Walker, I. c. p. 176 (1868). 



Perisph<sria cylindrica, Walker, /. c. p. 176 (1868). 



Deroealymma {Cyrtotria) gihhicollis, StSl, I. c. xxviii. p. 380 (1871). 



c? (type). Head castaneous; eyes approximate; mouth- 

 parts testaceous ; antenme infuscated, testaceous at base. 

 Pronotum as broad as long, coarsely cribrate-punctate, with 

 smooth interspaces ; castaneous, anteriorly testaceous ; lateral 

 bands narrow, not very closely adpressed to disk, an anterior 

 carina. Tegmina not exceeding the body by much, rufo- 

 castaneous in basal third, remainder flavo-hyaline; veins 

 testaceous. Wings clear hyaline ; ulnar with ten branches, 

 eight of which are incomplete. Abdomen castaneous, mar- 

 gined with testaceous ; subgenital lamina irregular, with one 

 style ; cerci flavo-testaceous. Femora and coxse rufo- 

 castaneous ; tibite and tarsi testaceous. 



? (type). Piceous, nitid, sparsely punctate. Head piceous, 

 mouth-parts and antennas testaceous. Lateral borders of 

 pronotum very narrow, scarcely elevated, closely adpressed 

 to disk ; no anterior carina. Abdomen slightly ampliated ; 

 supra-anal lamina trapezoidal ; cerci very short, flavid ; legs 

 rufo-castaneous. 



^. Total length 16-8 mm.; length of body 14 mm.; 

 length of tegmina 14 mm.; pronotum 4'9 x 5 mm. 



? . Total length 13 mm.; pronotum 3"5x4*5 mm. 



Caffraria (J. Wahlberg, types in Stockholm Museum); 

 Natal (elateroides, cylindrica, and linearis, types in British 

 Museum) ; Colenso {G. Longstaff. Oxford Museum). 



I have compared the types of all the species enumerated 

 in the synonymy, and though at first I was inclined to regard 

 cylindrica as distinct, I have now come to the conclusion 

 that it is a fully adult form, whereas gibhicollis was de- 

 scribed from an incompletely mature form. 1 have had the 



