xxxii Mr. F. Walker's 



dull yellow with black tips, and about one-eighth of the length of the body : the legs 

 are dull yellow and rather short ; the coxae are brown ; the knees, the tarsi and the 

 tips of the tibiae are black. 



Var. ? — The body is broad, dull, dark brown : the antennae are black and more 

 than half the length of the body : the rostrum is brown with a black tip : the legs are 

 brown and rather long ; the knees, the tarsi and the tips of the tibiae are black. 



Aphides on the Sea-Kale (Crambe maritima). 

 Aphis redundans. 



The wingless viviparous female. — The body is small, oval, slightly convex, velvet- 

 like, greenish yellow : the antennae are pale yellow, black towards their tips, and more 

 than half the length of the body : the eyes are red : the rostrum is pale yellow with a 

 black tip : the tip of the abdomen and the tubes are pale yellow ; the latter have 

 black tips and are about one-fifth of the length of the body : the legs are pale yellow ; 

 the thighs are tinged with green ; the feet are black. 



The winged viviparous female. — The body is black : the abdomen is tinged with 

 green : the antennae are nearly as long as the body : the rostrum is dark yellow with 

 a black tip : the thighs at the base, and the shanks excepting their tips, are yellow : 

 the wings are very much longer than the body ; the wing-ribs are yellow ; the brands 

 and the veins are pale brown. 



Found on the sea-kale in the autumn, near Newcastle, by Mr. Hardy. 



Aphides on the Wild Heart' s-ease (Viola tricolor). 



Aphis certa. 



The wingless viviparous female. — The body is small, oval, convex, dull black : the 

 thorax is reddish : the head is red : the tip of the abdomen is dark red : the antennae 

 are very slender, reddish towards the base, and nearly as long as the body : the ros- 

 trum is dull dark green with a black tip : the tubes are dull red with black tips, and 

 about one-fifth of the length of the body : the legs are black ; the thighs at the base, 

 and the four anterior tibiae, excepting their tips, are yellow. 



Aphis insessa. 



The ivingless viviparous female. — The body is small, rather flat, oval, yellow : the 

 antennae are black towards the tips and about half the length of the body : the eyes 

 and the tip of the rostrum are black : the tubes have black tips and are hardly one- 

 tenth of the length of the body ; the tarsi and the tips of the tibiae are black. 



Found, with the preceding species, in the autumn, near Fleetwood. 



Aphides on the Sea Catchfly (Silene maritima). 



Aphis cadiva. 



The wingless viviparous female. — The body is small, oval, rather flat and broad, 

 dull, pale green, slightly tinged with yellow : the eyes are red: the rostrum is pale 



