Genus Anopheles. 33 



from one-half to almost twice its own length; third long vein 

 prolonged slightly into the basal cell, darkest scales as costal, 

 sub-costal and first long vein. 



$ . Palpi equalling proboscis in length, light area at base of 

 three distal segments, giving a banded appearance, clothed with 

 scales, short hairs and setae as in the $ , distal segments not 

 spatulate ; legs with ungues equal ; otherwise agreeing with the 

 male. 



Note. — No length given to this distinct Anopheles. It was 

 described I find on referring to a letter from Professor Kellogg 

 from Stanford University, California. 



Localities. — Fort Brown, Fort Clark, Fort Sam Houston, 

 Leon Springs, Texas; Benecia Barracks, California (Ludlow). 



The larva is also figured but not in detail. 



Anopheles wellcomei. Theobald (1904). 

 First Kept. Gord. Coll. WeU. Labs., p. 64 (1904). 



Head black with dense white, yellow and brown upright 

 forked scales, the white ones in front and two long hair-like 

 projecting white tufts ; palpi yellow, black at the base with two 

 white bands on the yellow area. Thorax ashy, chestnut-brown 

 at the sides, and with hair-like golden scales ; abdomen brown, 

 unhanded with brownish-golden hairs. Wings mostly yellow 

 scaled, costa jet black with two yellow spots and three or four 

 black spots on the wing field. 



9 . Head black densely clothed with large upright forked 

 scales giving it a ragged appearance, white in front, yellow in 

 the middle, black behind and at the sides ; projecting forwards 

 are two prominent tufts of long white hair-like scales ; antennae 

 brown with pale hairs, and the basal six or seven joints with 

 many white scales, basal segment bright reddish-brown; 

 proboscis with basal half black, apical half ochreous ; palpi not 

 quite as long as the proboscis, basal third black scaled, apical 

 two-thirds bright ochreous with an almost white apical band and 

 a pure white band about one-fourth the way down. 



Thorax ashy-grey with a broad dark median stripe and 

 chestnut-brown laterally, two more or less yellowish lines on the 

 grey median area seen only in certain lights and under two- 

 third power, scales hair-like and pallid golden, except in front 

 over the head, where there are grey and long narrow-curved 

 scales ; the hair-like scales form a prominent double row on each 



VOL. IV. D 



