SCUDDER. NORTH AMERICAN CEUTHOPHILI. 97 



a few feeble raised points or spinules on the apical half (9 ), the inter- 

 vening sulcus broad and V-sliaped. Hind tibiae strongly and sharply 

 bowecJ just before the middle, and on the proximal portion prominently 

 and roundly laminate beneath, by reason of the bow no longer than 

 the femora {^) or straight and simple, slightly longer than the fem- 

 ora ( 9 ) , armed beneath with a single preapical spine and an apical pair ; 

 spurs suboj)posite, the basal pair but little before the middle of the 

 tibia, about as long as the tibial depth, set at an angle of about 45° 

 with the tibia and divaricating but little more than that, the tips feebly 

 incurved ; inner middle calcaria slightly longer than the outer, more 

 than twice as long as the others or as the spurs, and as long as the first 

 tarsal joint. Hind tarsi about two fifths the length of the tibiae, the 

 first joint fully as long as the rest together, the second nearly three 

 times as long as the third and almost equal to the fourth. Cerci stout 

 in the basal half, beyond tapering, not more than half as long as the 

 femoral breadth, except in the female. Ovipositor gently tapering in 

 the basal half, slender beyond and finely pointed, scarcely upturned at 

 tip, about two thirds as long as the hind femora, the inner valves 

 feebly and bluntly serrulate apically with no apical hook. 



Length of body, (^11.5 mm., 9 12-5 mm. ; pronotum, ^ 3.75 mm,, 

 9 4.1 mm. ; fore femora, S 4.4 mm., 9 5 mm.; hind femora, ^ 10 

 mm., 9 11'7 mm.; hind tibiae, ^ 10 mm., 9 12.25 mm.; ovipositor, 

 7.5 mm. 



9 (?, 13 9. California, P. R. Uhler, J. Akhurst, H. Edwards, 

 Behrens ; Nevada, H. Edwards ; Mountains about Lake Tahoe, Cal., 

 Oct., H. W. Henshaw in Capt. Wheeler's ExpL, 1876. The U. S. 

 National Museum also contains 5 (^,3 9, from Martinez, Cal., H. W. 

 Turner, and Los Angeles Co., Coquillet and others, mostly through 

 the collection of C. V. Riley. 



The dorsal surface of the abdomen of the male of this species 

 somewhat resembles its next neighbor, C. hensliawi, in its sculpture, 

 the several segments being somewhat uniformly and rather closely 

 covered with blister-like elevations, largest and closest next the dorsal 

 line. Neither Thomas nor Brunner has noticed this peculiarity. 



53. Ceuthophilus henshawi, sp. nov. 



Mostly brownish fuscous above, but very minutely and abundantly 

 irrorate with luteous, increasingly so in passing down the sides, so that 

 the luteous prevails on the flanks ; the pronotum is also usually 

 marked with a broad prevailingly luteous mesial band, and the meso- 

 notum and raetanotum often but not always with a similar broad trans- 



VOL. XXX. (n. S. XXII.) 7 



