30 PROCEEDINGS OF THE XATIOXAL MrSK I'M. vol.xx 



PHAULOTETTIX COMPRESSUS, new species. 



(Plate II, flK. 11.) 



Brownish testareoua above, olivaceo-testac^eous below, marked on tlip 

 sides witli a feebly arcuate jMceous striin*. Head dark brownish testii 

 c«'ons above, with a i)i('eoiis hand beliiiid tlieeycs. below which the \ms- 

 terior parts of the j;enae are ferruj^inous, while the face and rest of the 

 hea<l are olivaceo- testaceous; frontal costa punctate above; fasti j^ium 

 very narrowly and sli^^htly sulcate; antennae tlavescent, growinj; fus- 

 cons apically. Pronotuni dull olivaceo-testaceous on disk, with a larj;e 

 median, fusco-ferruj^inous, trapezoidal patch, the upper lialf of the lat- 

 eral lobes blackish, the lower Havo-te8ta(;eous, exceptin;jf the dark lower 

 part of the front half of the i)rozona; sitles of the abdomen with a 

 diminishing; piceous hand, broken by the pink incisures, the middle of 

 the dorsum becominj^ fjra<lually brownish testaceous. Tejjfmina testji- 

 ceous. Fore and mid<lle legs and hind femora green, the hitter fusco- 

 luteous above, blai'kish on the sides of the geniculation, and luteous 

 within; hind tibiae red with a green base, the spines pallid, black- 

 tipped. Supraanal i)late long triangular, well rounded at ai)ex, strongly 

 tectate, with a moderately deep basal median sulcus, less than half a- 

 long as the plate; furcula consisting of a i)air of minute, attingent. 

 parallel tingers, hardly longer than broad; cerci slender, compressed, 

 short, tapering on the basal half, beyond e({ual, the lower outer extremity 

 acutangulate (hardly so represented in the figure). 



Length of body, male, 15 mm.; antennae, 6.1 mm.; hiuvl femora, .S.O 

 mm. 



One male. Moutelovez, Oohahuila, Mexico, September 20, E. Palmer. 



8. CEPHALOTETTIX, new genus. 



(xc^aA;), head; rf'rr/c, grasshopper.) 



P>odysubcylindrical with subparallel sides, slightly constricted in tin 

 middle of the abdomen. Head large, prominent, well exserted, togetliei 

 with the eyes considerably broader (at least in the male) than any parr 

 of the thorax; vertex well arched, elevated above the pronotum, tbei 

 fastigium rapidly descending, and the face considerably retreating, thest. 

 two at right angles; eyes very large and very prominent (in the male ^ 

 very broadly ovate, and yet nearly twice as long as the intraocular jx*! 

 tion of the genae; fastigium broadening considerably in front of tli|.j 

 eyes, suleate throughout, the frontal costa considerably broader tliaijj 

 the interval between the eyes, yet not very broad, equal except for 

 slight contraction above, feebly depressed just above the ocellus ; antci jj 

 nae slender, about half as long as the body. Pronotum parallel sidci 

 scarcely widening at the metazona. the front and hind margin as 1;^^ 

 llhabdotettix. compressed cylindrical, with neither median nor latera 

 carinae, the disk passing insensibly into the lateral lobes; prozoUjj 

 simrsely punctate, about twice as long as the densely punctate meta 



