LIST OP HOMOPTEROUS INSECTS. 1016 



second fork as far from the first fork as from the fourth vein ; fourth 

 vein slightly curved, almost slraiffht towards the tip, a liltle farther 

 from the tip of the rib-veiu than from the second fork. 



Var. Distance between the first and second veins much more 

 than twice farther at the tips than at the base ; third almost twice 

 farther from the second than the second is from the first. 



a, b. England. Presented by F. Walker, Esq. 



182. Aphis Glechom^. 

 Aphis Glechomae, Wal/c. Zool. vi. 2247. 

 England. 



183. Aphis Limonii. 

 Aphis Sonchi, Var. ? Walk. Zool. vi. 2248. 

 a. England. Presented by F. Walker, Esq. 



184. Aphis Veronics. 

 Aphis Veronicse, Walk. Zool. vi. 2248. 



Distance between the first and second veins at the tips nearly 

 thrice farther than at the base ; third a little farther from the second 

 at the tip than at the base, nearly twice farther from the second at 

 the base than the second is fiom the first ; first fork at the tip as far 

 from tlie second fork as from the third vein, nearer to the third vein 

 than the third is to the .second ; second fork nearer to the fourth 

 vein than the first fork ; fourth vein slightly curved near the base, 

 straight towards tlio tip, much nearer to the second fork than to the 

 tip of the rib-vein. 



a—/. England. (In Canada Balsam). Presented by F. Walker, 

 Esq. 



185. Aphis Polygoni. 



Aphis Polygoni, Walk. Zool. vi. 2249. 



a—j. England. Presented by J. Hardy, Esq. 



