178 rULGOEIDiE. 



e'. Head broad or very broad, 

 sometimes somewhat nar- 

 rower thau the thorax ; sides 

 of clypeus very often without 

 a ridc^e ; thorax posteriorly 

 ronuded, sinuate, without 

 ridges, or furnished only with 

 an obsolete median ridge ; 

 mesonotum very large, long : 

 tegmina fiat, ample, or very 

 ample ; cosla dilated ; costal 

 membrane transversely veined 

 or reticulate ; posterior tibi* 

 spinose ; first joint of poste- 

 rior tarsi short, or somewhat 



short liica)iiina'. 



b'. Clavus granulate, apex sometimes 

 subacute and closed, sometimes 

 very obtuse and broadly open, 

 with two veins separated through 

 the entire lengtli or united in one 

 near apex; costa dilated, costal 

 membrane transversely veined ; 



claval suture distinct .... Fl((t\no\ 



B. Posterior tibiae with a mobile spur at apex. Ddpliucinu'. 



Subfamily I. FULGORIN^E. 



Fulgorides, Amy. Si Sere. Hem. p. 48S (1843). 



Fulgorida, Stal, Hem. Afr. \\, p. 129 (1866); id. Stett. ent. Zeit. 



xxxi, pp. 2'ib k 282 (1870). 

 Fiilgorina, Stdl, Of v. Vet.-Ak. Fork. 1870, p. 740. 



As pointed out in the synopsis, this subfamily may be recog- 

 nized by having the anal area of the wings reticulated, and the 

 ridge separating the front from the gente continued on the sides of 

 the clypeus. 



Division LATEUNARIAlilA *. 



This division contains those genera whose species possess a 

 strong porrect cephalic process or anterior prolongation of the 

 head, often as loug as the remaining portion of the body, but 

 sometimes shorter than the abdomen. 



'J'he purpose and structure of this process has occasioned much 

 attention and speculation. It was at one time considered to have 

 luminous properties, a conclusion promulgated by the well-known 

 Neotropical traveller and naturalist, Madame Merian, and after- 

 wards supported by Wesmael and Spinola. The eAidence to the 

 contrary is, ho\\ever, culminatixe and conclusive. In a paper 



* Founded on the Neotroijical genus Laternaria, Fiibr. 



