A Synoptical View of the Mosquitoes of British Guiana. — 199 
Legs banded. Mid and hind femora with scale tufts. 
(B.G. Med. Ann., 1905, pp. 21, 28, 29, 31, 33,38. 1906, pp. 69, 72, 77. 1908, 
p. 24.) 
Grnus HarmMaAcoaus. Williston. 
One species found here. 
Haemagogus Cyaneus. Fabricius. 
Principal colours blue and dark violet. 
Wing: 1st forked cell about twice stem, base nearer base of wing than 
base of 2nd forked cell. 
In Proc. Ent. Soc., Wash, Vol. x1, 1909, No. 3. Mr. Knab proves conclusively that the type 
Culex cyaneus Fab. is a Sabethid. Williston’s name Splendens therefore stands for this species. 
(B.G. Med. Ann., 1905, p. 21, 1906, p. 77. 1908, p. 24.) 
Genus Cacomyra. Coquillet. 
One species found here on Demerara River, Pomeroon and Canje. 
Cacomyia Albomaculatus. Theobald. 
Abdomen with median basal patches of white scales on last two 
segments. 
(B. G. Med. Ann., 7905, p. 22, 38. 1906, p.77. 1908, p. 24.) 
Crnus GUALTERTA. 
A specimen taken on the Dutch side of Corentyne, sent to Professor 
Howard, was identified by him as G. oswaldi. It may come in the 
Genus as defined by Lutz, but is almost certainly not his oswald7. 
(v. B. G. Med. Annual, 7908, p. 13, and sup. p_.) 
Sub-Fanily Uranotaeninae. 
Of the nine genera included in this sub-family three very typical genera are 
found here, all small insects with brilliant blue and silvery markings. 
Table of Genera. 
First fork-cell very small. 
a. Male ungues normal. 
Wings with rounded white scales at root of 4th and 5th long veins. 
1. URANOTAENIA. Arribalzaga. 
Wing with rounded white scales on base of 3rd. long vein and elsewhere. 
2. Pswupo-URANOTAENIA. Theobald. 
a.a. Male ungues broad and plate-like. 
3. ANISOCHELEOMYIA, Theobald 
Genus Uranoraenta. <Arribalzaga. 
Four species have been described from the colony. A new species 
near Geometrica and one or two others occur but have not vet been worked out, 
(B. G. Med, Ann., 7906, p. 69), 
