32 M. A. Carriker 



the seventh aborted ; lateral bands present in both sexes ; legs 

 short and stout; dorsal surface of thorax and abdomen coarsely- 

 punctured. 



Found as yet only on Tinaiiius robustus. 



Kelloggia brevipes n. sp., pi, I, figs. 2-2c 



Two adult females and five adult males taken on Tinamus 

 robustus at Pozo Azul, Costa Rica, June, 1902. 



Female. — Body, length 2.22 mm., width 1.05 mm. ; with the 

 exception of the central portion of the abdomen, it is a uniform 

 testaceous, with darker smoky brown markings on head and 

 thorax. 



Head, length .y^ mm., width .73 mm., triangular and about 

 equilateral, narrowly rounded in front, without hairs ; sides of 

 head from antennae to temples perfectly straight, with two short 

 marginal and one submarginal hair; temples rounded with two 

 long, stiff hairs ; occiput deeply concave with three short stiff 

 hairs on each side ; antennae short, simple, and inserted near the 

 front of the head, first joint largest, second and fifth equal, and 

 third and fourth equal ; no trabeculae ; mandibles prominent, 

 dark colored ; antennal bands running in a slight curve from the 

 base of the mandibles to the frontal margin at the sides, thence 

 faintly around the front of the forehead ; occipital bands faint, 

 curving backward from the posterior root of the mandibles to 

 the ends of the prominent occipital signature. 



Prothorax short, thick, quadrangular, with an emargination 

 at the anterior angles, and the whole segment deeply inserted 

 under the occipital margin, posterior angles drawn out to a blunt 

 spine, armed with a short, stout bristle ; margin encircled by a 

 deep band, narrower along the posterior margin ; coxal lines 

 showing through. 



Mesothorax much broader than prothorax ; lateral portions 

 slightly expanded forward and with an emargination just in 

 front of the lateral angles ; heavy dark submarginal bands ex- 

 tending longitudinally across each side of the segment, with inner 

 margins curving and extending slightly into the metathorax ; 

 lateral angles armed with a long, stout bristle and two stout 



.154 



