1901.] NATURAL SCIENCES OF PIIILADELPHIA. 879 



Sphodromerus sanguiniferus n. sp. 



Type; c?; no data. 



Closely allied to .S'. inconqncun,^ Schu]thess^ but differing in the 

 number of spines on the external margin of the hind tibia> (incon- 

 ispicuus 9, sang uinif eras 7), and the alisence of a black fasciatiou 

 on the same. A close relationship also exists with >S. decoloratus 

 Finot/ but several characters are (juite at variance. 



Form thickset and robust. Head with the vertex decliveut, 

 posteriorly with a slight carina; frontal costa expanding inferiorly, 

 sulcate except immediately around the ocellus; eyes prominent, 

 globose; antenna? depressed, longer than head and pronotum. 

 Fronotum rugose, posteriorly expanding, median carina well devel- 

 oped, cut by three sulci ; anteriol* margin subtruncate, posterior 

 rectangulate, the border somewhat sinuate; lateral lobes separated 

 from the dorsum by well-marked lateral carinre, posterior angle 

 subrotundate, the matazona punctate. Tegmina short, not reaching 

 the tip of the femora. Anterior and median femoi'a robust, 

 slightly bowed. Posterior femora very robust, the superior and 

 inferior margins well developed, the former serrate; tibire stout, 

 armed with seven spines on the external and internal margins. 

 Subgenital plate bowl-shaped, the posterior portion very slightly 

 produced; supraanal plate subtriangular with two median ridges, 

 subobsolete anteriorly; cerci very heavy, with an external blunt 

 denticle. 



General color ferruginous ; lower part of head, outer face of 

 posterior femora and lower surface yellowish, the head very pale. 

 Pronotum and tegmina washed with dull reddish. Tegmina with 

 four longitudinal rows of blackish spots. Lateral and. superior 

 surfaces of the hind femora with two obsolete blackish bars, the 

 inferior internal face of the same sanguineous. Posterior tibire 

 sanguineous, the spines ochraceous with black tij^s. 



Measurements. 



Length of body, 26 mm. 



Length of pronotum, 5.5 " 



Length of tegmina, 13 " 



Length of hind femora, 13 " 



*Zool. Jahrb., Si/st. Abth., VIII, p. 78. 

 ^Ann. Soe. Eat. France, LXIII, p. xiii. 



