570 CATALOGUE OF 



postica nigra guttata ; tibia: postica nigricante bifasciata:, apicex 

 versus rufa,' spinis albis apire nigris ; a/te anticce cinerece, corpore 

 breviores venis piceo variis ; ahe poslicce subcinerece, venis nigris basi 

 albidis. 

 Female. Green, partly lestaceou?. Head and pruthorax wilh a broad 

 black stripe wliich occupies the whole of the fore part of the verlex and of 

 the front. Head with a very slight keel, its fore part flat, hardly 

 hexagonal; front thinly punctured, with four very slightly indicated keels. 

 Eyes livid, elliptical. Antennae piceous, tawny towards the base. Pro- 

 thorax finely scabrous, with the usual four transverse impressed lines; disk 

 flat, wilh a very slight keel; fore border straight; sides and hind border 

 very slightly rounded. Prosternal spine whitish, thick, oblique, slightly 

 curved, extending nearly to the niesosiernum. Hind femora as long as the 

 abdomen, longer than the hind tibiae, with a row of black dots on each^ 

 side. Hind tibiae with two blackish anieniedial bands, bright red towards' 

 the tips; spines white, wilh black tips. Hind tarsi bright red. Fore 

 wings cinereous, rather shorter ihau the body; veins tawny, partly piceous. 

 Hind wings slightly cinereous; veins black, whitish at the base and 

 towards the interior border. Length of the body 21 lines ; expansion of 

 the fore wings 38 lines. 

 a. Souih Africa. Presented by Sir A. Smith. 



f Prothorax tricarinatus. 



The group indicated by this character is here omitled, as it has most 

 afiinily to Caloplenus. 



§§ Prosterni spina suepissime gracilior, recta, non aut vix obliqua. 

 -\- Prothorax scaber, postice laiior. 

 X Proihoracis margo auticus non incisus. 

 -r Piothoracis carina conspicua, liueis transversis inipressis bene 



determinata. 

 ++ Linea prothoracis 3a transversa conspicua. 



Genus 9. ACKIDIUM. 



Gryllus, Linn., Fabr., Charp. — Locusta, /.PacA — Acridium, Genffr., Oliv., 

 Lair., Serv., Burm. Brulle, Fisch. de IV. Fisch. Orth. Eur. 387. 



Europe. 



1. ACKIDIUM TaTAEICUM. 



. , Roes, Ins. Loc. ii. pi. 18, f. 8. Descr. Egijpte, Orl/i. pi. 6, f. 12 ; 



pi. 7, f. 2 — Gryllus (Locusta) tataricus, Linn. Si/st. Nat. i. 2, 700 — 

 Gryllus tartaricus, Fabr. But. Si/st. ii. 53. Cyrill. Spec. Ent. Neap. 

 pi. 2, f. 1. Oliv. Enc. Meth. vi. 220. Charp. Hor. Ent. 130 -Gryllus 

 (Locusta) Jiiryptius, Linn. Mus. Lud. Ulr. 138 — Gryllus rnigratorius, 

 Scop. Ent. Cam. lOt) — Gryllus lineola, Fabr. Ent. Syst. ii. 54. 

 Rossi, Faun. Etr. i. 269; Ed. III. 332. Charp. Hor. Ent. 131, pi. 4, 

 f. 1. Ramb. Faune. Andal. 77 — Acridium tartaricum, Latr. Hist. 

 Nat. xii. 150. Serv. Hist. Orth. 657. Fisch. Orth. Eur. 388, pi. 15, 

 f. 57 — Acridium tartaricum, Oliv. Enc. Meth. vi. 220— Acridium 



