37 



Rio, Para, Baliia (De Haan) ; Brazil (Serville) ; S. America (Bur- 

 meister) ; Meridional America (Serville, Fabricius). 



Rio (Mus. Comp. Zool., Peab. Acad., my coll.); Para (Peab. Acad.). 



5. T. cristata (Linn.) Scudder. 



Gryllus crista thoracis quadrijida Linn., Amoen. Acad., I, 513, No. 



21, fig. 4. 



Gryllus (Locustd) cristatus Linn., Mus. Lud. Ulr. Reg., 137, No. 28. 

 " " " Linn., Syst. Nat., 12th Ed., II, 699. 



" cristatus Stoll', Repr. d. Spectr., etc., Saut. d. Pass., 21, 



22, pi. x\ figs. 30, 33. 



Gryllus cristatus Fabr., Syst. Ent., 288; Ent. Syst., II, 46; Spec. 

 Ins., I, 362; Mant. Ins., I, 235. 



Gryllus cristatus Thunb., Mem. Acad. St. Petersb., V, 224, IX, 402. 



Locusta cristata Dune, Introd. Entom., 257, pi. xvi, fig. 1. 



Acridium cristatum Oliv., Encycl. Method., VI, 215. 

 " " Latr., Gen. Crust, et Ins., Ill, 105. 



" " Burm., Handb. d. Entom., II, 627. 



*' " Serv., Ann. d. Sc. Nat., xxii, 283. 



" " " Orthopt., 650. 



Acridium cristatum DeHaan, Verh. Nat. Gesch. Ned. Bezitt., Zool., 

 141, 151. 



Acridium cristatuin Lam., Hist. nat. Anim. sans Vert., IV, 241. 



? Gryllus grandis Thunb., Mem. Acad. St. Petersb., IX, 403. 

 " collaris Stoir, loc. cit., 99, pi. xxi*", fig. 80. 



On either side of the pronotum the lobes of the pronotal crest 

 are separated by much deeper constrictions than in any other species, 

 posteriorly the prothorax is deeply and irregularly punctured wich 

 but a faint and equal indication of a median carina. Teguiina fus- 

 cous, blotched fointly with griseous. Wings pale greenish blue, very 

 faint on the upper half of the wing, tessellated with blackish i'uscous 

 spots, and furnished with a broad blackish border, fuliginous toward 

 the apex, the cross veins traversing which are frequently bordered 

 narrowly with pale. Hind femora externally with a double row of 

 distant rounded spots , merged into one toward the apex; spines of 

 hind tibiae yellowish, tipped with black. 



Expanse of tegmina, 5 136-158 ""°'-, average 149 °™-; ? 170-203°'"-, 

 average 184 """•. 



Asia, Africa (Linne) ; Arabia (Fabricius, Stoll', Thunberg, Linne) ; 

 America (Stoll', Serville, Linne) ; S. America (Burmeister) ; Merid- 

 ional America, principally Cayenne (Serville) ; Rio, Para, Bahia (De 

 Haan). 



