Genus Janthinosoma. 
119 
(Proc. Biol. Soc. Wash. Nov. 06). The species 
Dyar and Knab are given in the Appendix. 
The species I have seen tabulate as below :—• 
describ J< 
d by 
I. Last two hind tarsals all white. 
Head honey yellow. 
Thorax with scattered yellow and bronze 
scales; white spreads on to second 
tarsal ... sayi. Theobald. 
white not spreading on to second 
segment ... sayi var. jamaicensis. 
Theobald. 
Head golden, purple at sides. 
Thorax with a broad yellow scaled area 
on each side ... lutzii. Theobald. 
Thorax with creamy lateral scales . albipes. Theobald. 
Thorax wholly bronzy and yellow scaled coquillettii. n. sp. 
II. Last hind tarsal white. 
Thorax with scattered bronzy and yellow 
scales . posticata. Wiedemann. 
Thorax yellow ..... varipes. Coquillett. 
III. Hind feet with four bands ... albigenu. Lutz. 
Janthinosoma sayi. Theobald (1907). 
Gulex musicus. Say (1827) (non Leach, 1825). 
Janthinosoma musica. Say (1827), Theobald. 
Janthinosoma mexicanus . Blanchard (non Bellardi). 
Gulex posticatum. Coquillett (non Wiedemann). 
Journ. Acad. Nat. Sc. Phil. VI., 149 (1827), Say; Mono. Culicid. I., 255 
(1901); IV., 124 and 126 (1903); IV., 155 (1907), Theobald; Os 
Gulicideos do Brazil, 151 (1908), Peryassu. 
Brazil, British Guiana, NT. America. 
Janthinosoma sayi. Theobald, 
var .jamaicensis. Theobald (1907). 
Mono. Culicid. IV., 157 (1907). 
Jamaica. Possibly a distinct species. 
