March, .903.] DVAR ; LaRV.1^ OK NORTH AMERICAN CUI.ICID.K. 27 



gonate, ringed by its plate, tuft and brush normal, the latter confined 

 to the barred area. No anal processes visible in any of the specimens 

 before me. 

 Culex bimaculatus Coquillett. 



Larva. — (PI. Ill, Fig. 3.) Head nearly straight behind, widest 

 just behind the eyes, narrowed before, flattened ; antennae slender, 

 rather small, uniform, colorless, with small tuft a little before the 

 middle of the joint. Eyes large, black, transverse ; mouth brush 

 rather short, normal ; head pale brown, darker on posterior edge, the 

 neck black. Thorax roundedly enlarged, abdomen submoniliform, 

 moderate, normal. Meso- and metathoracic hair tufts short, copious, 

 brush-like, the upper mesothoracic tubercle bearing a long hair. Ab- 

 dominal hairs rather slight, becoming single and diminishing pos- 

 teriorly. Air tube two and a half times as long as wide, slightly 

 tapered, conic ; a double row of stout, pointed teeth, two- or three- 

 branched at base, the outer tooth distant ; a fan-shaped hair tuft within 

 the row at about its middle. Lateral comb a patch of about thirty 

 small spines with digitately divided tips, three rows deep. Anal seg- 

 ment ringed by the plate, brush and tuft of rather short hairs, but 

 unusually thick, the separate pencils being thickened at base and ap- 

 parently the hairs of the pencil basally consolidated ; no tufts before 

 the barred area. Anal finger-shaped processes very long, narrowly 

 pointed, four, normal. 



Sent me by Messrs. Dupree and Morgan from Baton Rouge, La. 



EXPLANATION OF PL.VFES. 

 Plate II. 



Fig. I. Culex taniorhynchus WiED. A, Pecten tooth of air tube, enlarged. 

 B, Comb teeth of eighth abdominal segment, enlarged. 



Fig. 2. Stegomyia fasciata Faij. Comb teeth of eighth abdominal segment, for 

 comparison with Fig. i, B. 



Fig. 3. Culex nigritulus Zett. A and B, as in Fig. I. 



Fig. 4. Culex consobrinus Desv. A and B, as in Fig. i. 



Plate III. 



Fig. I. Culex triseriatus S.w. A, Pecten tooth of air tube. B, Comb of 

 eighth abdominal segment. 



Fig. 2. Culex signi/er Co<'). B, Comb of eighth abdominal segment. 

 Fig. 3. Culex hitiiaculatus CoQ. A and B, as in Fig. I. 



