E. i; pi I cat ion de la Fìanche 1. 



Fig. J. — Eiiipii.sa eye Ita : AnteiiiiLi of adult male, seen in 

 profile, ill Canada Jialsain, x ■^•~- — J.engtb 

 18 mm., 78 joints. Of the two rows of teeth 

 arranged as in fig. 2 only one lias lieen drawn. 



Fig. 2. — Part of the ijreceding to show Jjotii rows of 

 teeth, x20. 



Fig. 3. — Empu.si! (".jciia : Fart of anti'una of a male 

 mounted flat in Canada balsam, x -0. 



Fig. X. — Efiipusd eye 11(1 : Antenna of a male larva. 

 30 mm. long, in Canada balsam, x -^- — I; is 

 4.5 mm. long and has 61 joiuts. — The 3rd, 

 relatively much longer than in Ihe adult, has 

 not eom])leb'iy divideti. 



