105 
Genus Toxorhynchites. 
the collectors in the Congo Free State : “ The adults fly with a 
characteristic loud humming; they were frequently caught in an 
European house. The larvae were found in a metal water tank.” 
Graham took this species in the hospital ward, Obuasi, on a 
window at 5 p.m., and also on an umbelliferous flower in the bush 
at 12 noon(^’s). Dr. Graham says: “Specimens were taken 
upon several occasions upon the flower of a climbing plant at the 
•edge of the railroad, about one mile north of Obuasi, only before 
9 A.M., and only in June ; ” but on the specimens were the notes 
12 noon, and the 9 5 p.m. in the hospital. 
The female is like the male in all respects, but the tail-tuft is 
not so large, and the two pale bands on the hind legs are more 
prominent. 
The 9 palp and $ genitalia figured here were drawn and 
Toxorhynchites marshallii. Theobald. 
Male genitalia. Tip of clasper still further enlarged. 
prepared by Mr. F. Carter. The former at once show the 
difference from immisericors. 
Notes on the blue mosquito. —Mrs. Billington sends me the 
following notes made on this insect in the Congo Free State :— 
“July 6th, 1904. Caught a blue mosquito in the bath-room 
about 3 p.m. Put it in a specimen glass with three inches, 
of water in the bottom. Tied strong mosquito netting over 
the top, put in a piece of swamp moss (stag’s horn) and swamp 
fern, and two stems of swamp grass. In the evening mosquito 
had settled on the water. Gave it a bit of banana on top of 
netting, from which it appeared to eat. 
“July 7 th. Found mosquito^ lying on water on its side, and 
also a small brown thing on surface of water about size of the 
