1903] 



WHEELER: — TEXAN FORMICIDAE 



109 



Hairs on the body suberect, yellow, not abundant. On the head they are found as a row 

 on the anterior border of the clypeus, scattered over the front and more abundant on the 

 lower surface of the head. Mandibles with a few short hairs. Thorax with a few scattered 

 hairs on the pro- and mesonotum and on the epinotal angle. Petiolar node fringed with a 

 single row of hairs. Each gastric segment with two regular transverse rows, one near the 

 base and the other near the posterior margin. There are a few scattered long hairs on the 

 femora and tibiae and at the tip of the antennal scape ; tibiae and tarsi with more numerous 

 and smaller appressed hairs. 



Head black; mandibles, chpeus, front and lower surface suffused with blood-red. Tho- 

 rax and petiole rich yellowish red, the sutures of the former black. In some specimens the 

 anterior surface of the petiole is more or less blackened. Gaster black, posterior edges of 



Fig. 10. Camponotus texaniis^ sp. nov. «, head of worker miner ; /', head of worker 

 maxima; c, body of worker maxima. 



segments yellow, basal half of first segment and much of the venter rich yellowish red. 

 Legs yellowish red, tibiae and tarsi of a somewhat deeper shade than the femora. Antennal 

 scape, black, suffused with red, funiculus red. 



Worker media. Length 9-10 mm. 



Resembling the worker maxima throughout except in the smaller size and shape of the 

 head, which is distinctly longer than wide, oblong, with subparallel sides. The blood-red 

 color is somewhat more general on its anterior half. The antennal scapes extend to about 

 one fourth their length beyond the posterior angles. 



Worker minor. Length 8-9.5 'tiiti- Closely resembling the maxima and media except 

 in the size of the body and the shape and proportional size of the head, which is much longer 

 than broad, with long, parallel cheeks, somewhat narrower posterior corners, and distinctly 



