1914.] 



NATURAL SCIENCES OF PHILADELPHIA. 



403 



palustris. From this species it differs in the more slender, com- 

 pressed form, which is unusually pronounced for the male sex of this 

 genus, with the tympanum in consequence much narrowed, while 

 the pronotum is exceptionally attenuate. 



Type: d" ; Homestead, Dade County, Florida. July 12, 1912. 

 (Hebard.) [Hebard Collection.] 



Size moderately large; form compressed, slender, elongate. Head 

 with the dorsal length considerably less than that of the pronotum; 

 fastigium with its length bej^ond the eyes slightlj- greater than the 

 space between the latter, subattenuate, tapering verj' gently distad, 

 the apex very bluntly rounded, ventral tooth distinct, blunt, well 

 separated from the facial fastigium; face strongly retreating; eyes 

 ovato-trigonal, their depth slightly less than their length, com- 

 pressed and but little prominent when seen from the dorsal aspect; 



Fig. .5.— Side view of tj'pe of Neoconocephalus velox n. sp. (X li-) 



antennae moderately elongate, in an incomplete condition four-fifths 

 as long as the tegmina. Pronotum Avith the surface impresso- 

 punctate, elongate, narrow, the greatest (caudal) width of the 

 dorsum but slightly more than half the length of the same, the 

 cephalic width about two-thirds the caudal width, cephalic margin 

 of disk truncate, caudal margin of same arcuate, obtuse-angulate, 

 the dorsal length of the prozona contained three and one-half times 

 in that of the metazona, lateral angles distinct, rotundato-sub- 

 rectangulate caudad, well rounded cephalad, regularly but not 

 decidedly diverging caudad; lateral lobes elongate, the greatest 

 depth contained slightly more than one and one-half times in the 

 greatest dorsal length,"" cephalic margin strongly oblique, faintly 

 arcuate, ventro-cephalic angle broad arcuate, ventral margin more 

 ol)lique than usual, straight, ventro-caudal angle arcuato-obtuse, 

 caudal margin with a deep rotundato-subrectangulate humeral 

 sinus, the ventral portion of the same margin oblique arcuate. 

 Tegmina elongate, the greatest width contained about six and 

 27 



