92 Annals of the Carnegie Museum. 



e. Middle femoral margins strongly carinate-clypeate, their length a little 

 more than the breadth. Head very short, somewhat retracted 



under the pronotum Clypeolettix Hancock. 



ee. Middle femoral margins not clypeate, but sometimes the carinse are 



compressed but then the length is much more than the breadth. 



/. Vertex truncate, not advanced beyond the eyes, narrower or subequa! 



to one of them; dorsum advanced upon the head to the eyes. 



Parateltix Bolivar. 

 ff. Vertex produced beyond the eyes, usually wider than one of them, in 



profile very often angulately produced Teiri;c Latreille. 



g. Antennae inserted between the inferior part of the eyes. Body 

 somewhat rugose, slender prolongate; dorsum subdepressed, 



very narrow between the shoulders Stenoderiis Hancock. 



gg. Antennae inserted little below the eyes. 



h. Body usually abbreviated, comparatively robust, the median 

 carina of the pronotum cristulato-undulate, the anterior 

 margin truncate; wings often imperfectly developed, rarely 

 macropterous; antennae filamentous, elongate. 



Micronotiis Bolivar. 

 hh. Body having the surface of the dorsum rugose or tuberculose. 

 Antennae short and stout. 

 i. Hind tibiae normal, pleurispinose. Wings perfectly ex- 

 plicate, passing the apex of the hind femora. 



Apotettix Hancock. 



a. Hind tibiae distinctly ampliate towards the apex, lightly 



spinose. Wings not longer than the pronotum or 



somewhat abbreviate Protettix Bolivar. 



cc. Anterior usually and middle femora above always distinctly sulcate. 

 Pronotum anteriorly more or less produced above the head, often un- 

 cinate or acuminate or to a certain degree obtusangulate. Antennae 



with sixteen to twenty-two joints Batrachidiin^. 



d. Vertex anteriorly distinctly carinate disposed obliquely or transversely, 

 middle carinate, more or less compressed, produced. 

 e. Pronotum with the posterior angles of the lateral lobes turned down; 



elytral sinus and elytra normal. 

 /. Top of head between the eyes more or less longitudinally convex and 

 provided in front with a rather prominent median carina; the 

 vertex viewed in profile advanced but little in front of the eyes. 



Telligidea Scudder. 

 ff. Top of head between the eyes rather widely longitudinally sulcate, 

 the anterior portion also provided with a median carina of varying 

 prominence; vertex viewed in profile considerably advanced in 

 front of the eyes as in the genus Telrix. 

 g. Anterior femora very faintly sulcate; middle of vertex provided 

 with a minute carina, the frontal costa narrowly sulcate be- 

 tween the ocelli and below. Antennae long and slender, 21- 

 or 2 2- jointed. Valves of the ovipositor short and somewhat 

 robust Lopholettix Bruner. 



