86 PROCEEDINGS OF THE AMERICAN ACADEMY. 



at the end of the proximal fourth of the tibia, not much longer than 

 the tibial depth, set at an angle of 30-40° with the tibia and divari- 

 cating about 60°, faintly incurved ; inner middle calcaria somewhat 

 longer than the outer, nearly twice as long as the others, twice as long 

 as the spurs, and as long as the first tarsal joint. Hind tarsi much 

 less than half as long as the tibiaj the first joint hardly equalling the 

 rest taken together, the second twice as long as the third and with 

 it a little shorter than the fourth. Cerci rather short and slender. 

 Ovipositor two thirds the length of the hind femora, rapidly tapering 

 at base, the distal half sleudei', the armature of the inner valves acicu- 

 lar, arcuate. 



Length of body, ^ 13 mm., 9 17.5 mm.; pronotum, $ 4.5 mm., ? 

 5.6 mm. ; fore femora, ^ 5 mm., 9 6 mm. ; hind femora, ^ 11.25 mm,, 

 9 13.5 mm.; hind tibia?, ^J 11.5 mm., 9 13.5 mm.; ovipositor, 9 mm. 



1 (?, 3 9- Locality unknown; probably from one of the South- 

 western States. It is a very robust species. 



44. Ceuthophilus pinguis, sp. nov. 



Of mingled fuscous and luteo-castaneous, sometimes one, sometimes 

 the other prevailing ; when it is the latter, the fuscous shows itself on 

 either side of the mediodorsal line in a series of subtriansular sub- 

 dorsal patches seated upon the posterior margin of the segments, much 

 larger on the thoracic than on the abdominal and partially or wholly 

 absent from some of the latter ; besides there is a series of lateral 

 blotches, just failing to reach the lower margins of the nota and more 

 extended on each segment anteriorly than posteriorly ; on the pro- 

 notum these two sets blend irregularly, so that here the darker colors 

 prevail ; the hind femora are more or less infuscated with the mark- 

 ings common to the genus, more or less distinct, the geniculations 

 laterally blackish. Antennae moderately stout. Legs not very elongate. 

 Fore femora basally somewhat stouter than the middle femora, con- 

 siderably less than half as long as the hind femora, about a fourth 

 longer than the pronotum, the inner carina with 2-3 spines, the sub- 

 apical and sometimes one or both the others pretty large. Middle 

 femora with the front carina as in the fore femora, the hind carina 

 with 1-2 spines near the middle besides a very long genicular spine. 

 Hind femora a little shorter than the body, considerably more than 

 twice as long as the fore femora, very stout and broad, being con- 

 siderably less than three times as long as broad, with a preapical 

 broad constriction, so that the distal fourth is subequal, the apical half 

 covered very sparsely except beneath with raised spinous points 



