THE CANADIAN ENTOMOLOGIST 



87 



Through the kindness of Mr. J. T. Monell the writer has had 

 an opportunity of examining the type slide of this species — Monell 

 No. 151. On the slide are two winged viviparous females, and 

 the head and antennae of one wingless viviparous female, all mount- 

 ed in balsam under one cover glass. The data on these specimens 

 follow : 



Winged viviparous female: Antenna? with 12 to 15 circular 

 sensoria in a row on segment III and the usual distal ones on V and 

 base of VI. Cornicles reaching beyond tip of cauda, long, cylin- 

 drical, widened noticeably at base, slightly constricted near tip; 

 the tip plainly reticulated. Wing veins narrrow, the branching 

 media obscured. Measurements as follows: Length of body not 

 including cauda 2.51 and 2.63 mm. respectively; length of cornicles 

 0.968 mm., of cauda 0.278 mm.; length of hind tibia 2.98 mm. 

 Antennal measurements as follows: 



ANTENNAL SEGMENT NO. lm. 



* Shriveled at tip. 



Wingless viviparous female. Segments III of the two antennae 

 bear 3 and 5 small circular sensoria respectively, near the base, 

 and the usual distal sensoria on V and base of VI. Antennal 

 measurements as follows: 



ANTENNAL SEGMENT NO. lm. 



