80 CATALOGUE OF 



pellucid, extending very much beyond the abdomen ; costal streak and sub- 

 costal streak brown; veins white. Length of the body 10 lines. 



n. Fan tee. 



49. Gryllus atratus. 



Mas. et Itt'm. Ater, robuslus,nitens ; caput margine anlico ferrugineo ; 

 antemue corpori aquilonga ; cerci ferruginei, abdomine breviores ; 

 ovi ductus abdomine paullo longior, apice furcalus ; femora postica 

 substriala ; ala anlicce abdominis apicem attingentes, maris latissimae 

 tympano cinereo hyalino ; alee postica abdomen longe superantes. 



Mule and female. Black, stout, smooth, shining. Head ferruginous 

 about the mouth. Eyes piceous. Ocelli luteous. Antenna? as long as the 

 body. Prothorax with a slight transverse furrow and a slight transverse 

 impression. Abdomen piceous above. Cerci ferruginous, shorter than the 

 abdomen. Oviduct of the female a little longer than the abdomen. Legs 

 stout ; hind femora indistinctly striated ; hind tibia? with lour stout spines 

 on each side. Fore wiugs extending to the tip of the abdomen, very 

 broad and with a cinereous hyaline tympanum in the male. Hind wings 

 pellucid, extending much beyond the tip of the abdomen ; veins white ; costa 

 and the subcostal streak black. Length id' the body 8 — \0h lines. 



a. Sierra Leone. Presented by the Rev. D. F. Morgan. 



b. Sierra Leone. From Mr. Foxeroft's collection. 



c. Congo. Presented by Sir. J. Richardson. 



d. Fan lee. 



e. Abyssinia. Presented by J. C. Buwring, Esq. 



50. Gryllus posticus. 



Fcein. Ferrugincus, subopacus ; caput nilens, antice luteum piceo sexno- 

 latum, plaga frontali nigricante ; palpi teslacei ; oviductus curpore 

 vix brevior; pedes ruJi,femoribus posticis subslrigalis ; alas an tie a 

 abdominis apicem attingentes, striga leslacea piceo marginala, spatio 

 subcostali cinereo venis testaceis ; ala postica? abdomen sat superantes. 

 Var. (3. — Piceus; caput nigrum, antice et postice ferrugineum. 

 Var. y. — Piceus ; caput antice lividum. 



Female. Ferruginous, slightly shining. Head shining, luteous 

 towards the fore border ; a blackisb patch on the front including the luteous 

 ocelli and part of an anterior luteous dot ; fore part with six small piceous 

 marks, four transverse and two longitudinal. Eyes darkly livid. Palpi 

 testaceous. Oviduct nearly as long as the body. Legs red ; bind femora 

 with slightly marked oblique darker streaks; hind tibia? with six spines on 

 the outer side and with live on the inner side. Fore wings extending to 

 the tip of the abdomen ; a testaceous streak along the mediastinal vein, 

 bordered with piceous in front; subcostal space cinereous, with testaceous 

 veins. Hind wings extending somewhat beyond the abdomen. Var.fi. — 

 Piceous. Head black, ferruginous along the hind border and in front. 

 Var. y.— Piceous. Head in front, eyes and ocelli livid. Cerci shorter than 

 the abdomen. Oviduct as long as the body. Fore wings extending rather 

 beyond the abdomen : a blackish subcostal streak. Hind wings exteuding 

 a little beyond the fore wings. Length of the body 8 — 13 lines. 



