siphonophora rubi, var. RUFA. 105 



colour, varied on the body with obscure bands and dots 

 of rich brown. These differences are sufficient, I 

 think, to mark the insect as a good variety of 8. rubi, 

 which in England is always, I believe, of a lively green 

 colour. 



The measurements are as follows : 



Siphonophora rubi, var. rufa. Plate CXXX, fig. 1. 

 Apterous female. 



Inch. Millimetres. 



Size of body 0-090x040 2-28xl'01 



Length of antennas 0'160 4*06 



cornicles ' 0*040 1*01 



Numerous examples of Aphides mounted in Canada 

 balsam by the late Mr. F. Walker, have at different 

 times come into my possession. Most of them unfor- 

 tunately are unnamed by him, but amongst those 

 labelled I find specimens of pupae with well-developed 

 wing-cases belonging to the genera Forda and Trama. 



Mr. Walker, in his ' Catalogue of Homoptera in the 

 British Museum, states that the species, " Trama 

 troglodytes and Paracletus cimiciformis occasionally 

 but rarely assume wings." 



In my diagnosis, vol. Ill, p. 67, I omitted to make 

 drawings of these pupge. I now figure them, PI. CXXX, 

 fig. 4, for reference, but upon Mr. Walker's authority, 

 for I have never met with the alate forms, and I believe 

 others also have been unsuccessful in the search. 



On the same Plate CXXX, fig. 2, I depict the imago 

 of Apliis subterranea, the living forms of which up to 

 this time have escaped my notice. I have several 

 slides containing the winged forms of this Aphis 

 mounted for the microscope by the late Mr. F. Walker. 



