Genus Anopheles. 
123 
SPECIES (?) NOT RECOGNISABLE'EXCEPT FROM TYPES. 
A. quinquefasciatu s. Say. 
= Culex impiger. Walker (?). 
A. annulimanui. Wiedemann. 
— Culex con*obrinus. Desvoidy (?). 
A. albimanus. Wiedemann. 
= A. argyrotarsis. Rob. Desv. (?). 
1. Anopheles argyrotarsis. Rob. Desvoidy (1828). 
A. albitarsis. Arribalzaga (1891). 
A. albimanus. Wiedemann (?). 
(Essai snr les Culicid. p. 411, Rob. Desvoidy; Dipt. Argentina, 
p. 36 (1891) (= albitarsis ).) 
(Fig. 1, PI. I.) 
Thorax with mesonotum bluish-grey, with three more or less 
longitudinal lines and with pale scales over the mesonotum, and 
sometimes traces of two dark lateral spots. Abdomen dark 
dusky-brown, with a few creamy scales. Legs covered with dark 
scales, with some of the tarsi apically white banded ; last three 
joints of hind legs pure white, and also apex of first; costa dark, 
with two distinct and several smaller pale spots. 
9 . Head black, with white upright spatulate scales in front, 
black behind and at the sides, a tuft of white hairs projecting 
forwards between the eyes. Eyes black ; antennae dark, with 
pale silky pubescence and brown hairs ; basal joint dark, a few 
patches of white scales on the first few basal joints ; palpi covered 
with long black scales, especially long towards the base ; apex pure 
white, and there are also two narrow white rings on the apical 
ends of the joints ; ventrally the penultimate joint has a number 
of yellowish-white scales, which sometimes seem to form almost a 
ring ; proboscis clothed with short dark scales. 
Thorax with a bluish grey sheen, with three more or less 
distinct longitudinal lines, the middle one most distinct and of a 
purplish hue, with pale scales scattered over the mesonotum ; 
scutellum dark towards the middle; metanotum deep brown ; 
pleurae dark, with here and there frosty tomentum (there are 
traces of two dark lateral spots on the mesonotum, which are 
clearly seen in the St. Lucia specimens). 
Abdomen dusky purplish-brown, clothed with creamy yellow 
scales, especially in the middle region of the segments; the 
