SCUDDER. — NORTH AMERICAN DECTICIN^. 89 



Cacopteris inermis sp. nov. 



Blackish fuscous, the whole dorsum of the female testaceous, ofteu 

 flecked or clouded with fuscous, the sides of the abdomeu of same 

 sex often sprinkled with testaceous. Head testaceous below the lower 

 level of the eyes, often more or less flecked inconspicuously with fuscous; 

 antennas rufo-fuscous, rufous basally, rather longer than the body. Pio- 

 notum with the lower and posterior margin edged with luteous, thu 

 lateral lobes deep, with scarcely perceptible posterior sinus, strongly 

 bent-arcuate below, the whole but little longer than broad. Tegmina of 

 male fusco-testaceous, unicolorous, of female testaceous. Legs rather 

 short, fusco-testaceous, the lower half of hind femora testaceous ; fore 

 femora much shorter than the pronotum ; fore tibiae normally with no 

 spines on inner margin above (a single female has one) ; hind femora 

 very much shorter than the body. Supraanal plate of male strongly 

 transverse, the apical lobes broad, short, and rounded, the intervening 

 sinus broad and arcuate ; cerci stout, strongly incurved, both the stout in- 

 ner median tooth and the depressed apical projection triangular, strongly 

 incurved and decurved, and sharply pointed ; subgenital plate with 

 acutangulate apical emargination, the styles as long as apical breadth of 

 plate ; ovipositor castaneous, marked with black at base, straight, much 

 longer than hind femora, though shorter than body. 



Length of body, (J, 17 mm., 9 > 21 mm. ; pronotum, 5 mm., 9 > 6 mm. ; 

 fore femora, c? , 3.75 mm., 9, 4mm. ; hind femora,,^, 14 mm., 9 , 14.5 mm.; 

 ovipositor, 18.5 mm. 



2 (?, 3 9- Vicinity of Lake Tahoe, Nevada, Sept., H. W. Henshaw, 

 Lt. Wheeler's exploration of 1876. 



The supraanal plate and cerci of the male' are quite diifereut from 

 those of any other species. It also has shorter legs. 



Cacopteris fuscopunctata sp. nov. 



Dark fusco-testaceous, the face blackish fuscous and behind the eye a 

 narrow piceous stripe crossing the pronotum but broadly interrupted on 

 the prozona; the legs dark fusco-testaceous, the tegmina light testaceous 

 with a distinct black apical spot, the antennas half as long again as the 

 body, rufo-testaceous, narrowly ringed with fuscous at the apex of the 

 joints. Pronotum but little longer than broad, the lateral lobes deep 

 with no posterior sinus, bent-arcuate below, the disk with a faint median 

 carina. Legs of moderate length, the fore femora slightly shorter than 

 the pronotum, the fore tibite without spines on the inner margin above, 



