N. .ir>'4. 



REVISinX OF THE MELAynPLI—SCrDVER. 23 



band behind the middle of the eye blackish fuscous; whole face and 

 lower part of ;»enae punctate; antennae fusco-ferru<,nnous. Pronotum 

 blackish fuscous on pro/.ona, feirugineo fuscous on nu'tazona, the upper 

 I>ortion of the lateral lobes with a broad blackish band, on the nu'ta- 

 /ona curvinj? sli«;htly downward and fading out, sometimes edged 

 above anteriorly by a feeble, dull lut«'0us stripe, but beneath shari)ly 

 detined from the dull luteous remainder of the lateral lobes, this band 

 otten subobaolete in the female, or scarcely distinguisliable from the 

 disk: metasternal epimera with an oblicpie luteous stripe. Tegmina 

 dark fuscous. Fore and middle femora luteo-fuscous or fusco luteous; 

 hind femora with the outer face greenish plumbeous, the upi>er face 

 ferruginous, the lower luteous, the inner luteous in tlie lower, fusc(ms 

 in the upper half, the whole geniculation fuscous; the hind tibiae blue- 

 green, fusco-ferruginous at extreme base and tip, the spines bhuk- 

 tij)i)ed. Supraanal plate of male subclypeate, tapering gra<lually, the 

 broadly subtruncate tip very obtusely ungulate, the sides feebly con- 

 cave, with a median tectate ridge which divides in the basal third to 

 include a luirrow, triangular, rather deej) sulcus; furcula consisting of 

 a pair of inconspicuous rounded lobes, formed by the slight fullness of 

 the interior angles of the divided halves of the last dorsal segment; 

 cerci broad at base but at once narrowed by the abrupt excision of the 

 lower margin, so as to be less than half the basal breadth, the apical 

 portion subequal, subfalcate, the lower apical angle acute, the whole 

 laminate, scarcely incurved. 



Length of body, male, l.> mm., female, 17 mm.; antennae, male, .").5 

 mm., fema' <i mm.; tegmina, male, 2 mm., female, 2.8 mm.; hind 

 femora, maio, 8 mm., female, 10 mm. 



Six males, six females. Mount Alvarez, San Luis Potosi, Mexico, 

 E. Palmer [U.S.N.^NI. No. 703, male and female] ; Comancho, Duraiigo, 

 Mexico, November (L. P>runer); Corpus Christi Bay, Xueces County, 

 Texas, December 11-20, E. Palmer. 



5. CONALCAEA, new genus. 



(hojvo?, cone; 'aXxai'a, tail.) 



Body rather stout, somewhat compressed, slightly (male) or distinctly 

 (female) largest at the metathorax, thinly pilose. Head moderate, 

 slightly prominent in the male only, with the eyes about as broad, in 

 tfcpe male, as the metazona; vertex gently convex, scarcely elevated 

 above the level of the pronotum, the fastigium descending rapidly, the 

 face retreating slightly; eyes large, not very prominent, little more so 

 in the male than in the female, h)nger than (male) or not quite so long 

 as (female) the j)osterior intraocular portion of the genae, broad oval, 

 hftrdly more than half as long again as broad in either sex; interspace 

 between the eyes rather narrow, similar in the two sexes, scarcely nar- 

 rower than the frontal costa, which is subequal, more or less sulcate, 

 and fails to reach the clyi)eus; antennae slender, rather long. Pro- 



