AORIDIDvE, 5^9 



Male. Cinereous, slender. Head and prothorax longitudinally 

 rngulose. Head acutely conical and wilh slightly reflexed borders in front 

 of the eyes; front rather short, broader towards the mouth, slightly 

 oblique, with four keels, of which the middle pair diverge. Eyes ellip- 

 tical, oblique, slightly prominent. Antennae flat, lanceolate, a little 

 longer than the prothorax. Prothorax with a slight keel on each 

 side ; fore border nearly straight ; hind border slightly rounded. Pro- 

 sternum with a short spine. Hind tibiae with two rows of short spines of 

 equal length and with black tips. Wings very short. Fore wings with 

 black points. Length of the body 15 lines. 



The specimen described is incompletely developed, 

 o. Swan River. From Mr. Turner's collection. 



Genus 3. STENOXYPHUS. 

 Slenoxyphus, Blanch. Voy. Pole Sud. Zool. iv. 369. 



1. STENOXYPHUS VARIEGATUS. 



variegatus, Blanch. Voy. Pole Sud. Zool. iv. 270, pi. 3, f. 7. (Xiphicera 

 variegata). 



New Guinea. 



2. STENOXYPHUS H^EMAPTOPTERUS. 



Acridium (Pyrgomorpha) htematopterum, Haan, Verz. Nat. Gesch. Ned, 

 Ind. Bez. Ins. 149, pi. 23, f. 5. 



Java. 



**. Tibiae posticae spinis aequalibus. 

 Genus 4. TROPINOTUS. 

 Tropinotus, Serv. Rev. ; Hist. Orth. 617. Blanch. Gay, Chile, vi. 63. 



1. TROPINOTUS SERRATUS. 



Gryllus (Locusta) serratus, Linn. Mus. Lud. 121 Gryllus (Locusta) 

 cymbiformis, Stoll, Saut. et Grill, pi. 4b. f. 14, 15 Acrydium 

 serratum, Deg. Ins. iii. 493, pi. 41, f. 6. Latr. Gen. iii. 105. Oliv. 

 Enc. Meth.vi. 116, pi. 126, f . 2 Acrydium serrato-fasciatum, Deg. 

 Ins. iii. 495, pi. 2, f. 2 Gryllus erratus, Fabr. Ent. Syst. ii. 48 

 Acrydium den tat urn, Oliv. Enc. Meth, 217 Tropinotus serratus, 

 Serv. Rev. 82. Hist. Orth. 618 Xiphocera serrata, Burm. Handb, 

 Ent. ii. 614. 



Cayenne. Surinam, 



a. Demerara. 

 6, c. Brazil. 



