38 John June Dams 



A. caiiae Williams, PI. II, figs. 26, head and antenna; 27, cornicle; 28, 

 style, of winged viviparous female (a =: where tip of antenna is broken 

 off) ; 29, antenna ; 30, cornicle, of an immature Aphis on the same slide. 



A. cnici Williams, Pis. II and III, figs. 31, head; 32, antenna; ^s, cor- 

 nicle; 34, tip of cornicle; 35, dorsal abdominal tubercle; 36, style; 37, and 

 wing, of winged viviparous female. 



A. frangidae Kaltenbach, PL III, figs. 38, antenna; 39, cornicle; 40, style, 

 of wingless viviparous female. 



A. impatientis Thomas, PI. Ill, figs. 42, head and antenna; 43, wing; 44, 

 cornicle; 45, style, of winged viviparous female. 



A. gossypii Glover (Hlicola Williams), PI. Ill, figs. 46, antenna; 47, 

 wing; 48, cornicle; 49, style, of winged viviparous female; 50, antenna of 

 wingless viviparous female. 



A. lonicericola Williams, PI. Ill, figs. 51, antenna; 52, cornicle; 53, style, 

 of wingless viviparous female. 



A. lugentis Williams, PI. Ill, figs. 54, head and antenna; 55, hind tibia; 

 56, cornicle; 57, style, of winged viviparous female; 58, antenna of wing- 

 less viviparous female. 



A. gossypii Glover (malvae Williams nee Walker), Pis. Ill and IV, figs. 

 59, wing; 60, cornicle; 61, style; 62, antenna, of winged viviparous female. 



A. pentstemonis Williams, PI. IV, figs. 63, head and antenna; 64, cor- 

 nicle; 65, style, of winged viviparous female; 66, antenna of male (?). 



A. saniculae Williams, PI. IV, figs. 67, head and antenna; 68, wing; 69, 

 cornicle; and 70, style, of winged viviparous female. 



A. senecionis Williams, PI. IV, figs. 71, antenna; 72, wing; 73, cornicle; 

 74, style, of winged viviparous female ; 75, antenna of wingless viviparous 

 female. 



A. solidaginifoliae Williams, PI. IV, figs. 76, antenna; 77, hind tibia; 

 78, cornicle; 79, style, of wingless oviparous female. 



A. yiiccae Cowan (yiicciola Williams), PI V, figs. 80, antenna; 81, 

 wing; 82, cornicle; 83, style, of winged viviparous female. 



Macrosiphuin artemisicola Williams, PI. V, figs. 84, antenna; 85, capitate 

 spines on head, and 86, on abdomen; 87, cornicles; 88, style, of wingless 

 viviparous female. 



M. carnosa Buckton var. impatientis Williams, PI. V, figs. 89, antenna ; 

 and 90, style of wingless viviparous female. 



M. fulvae Oestlund, PI. V, figs. 91, head and antenna; 92, cornicle; 93, 

 style, of winged viviparous female; 94, antenna of wingless viviparous 

 female. 



M. ganrae Williams, PI. V, fig. 95, cornicle and style, and tip of cornicle 

 enlarged of wingless viviparous female; fig. 96, PI. VI, is the head and 

 antenna of the wingless viviparous female on the slide labeled by Williams 

 as No. 141, gaurina n. sp. 



M. grindeliae Williams, PI. VI, figs. 97, head and antenna; 98, cornicle; 



290 



