48 



CATALOGUE OF 



It has most affinity to G. lepidus, but differs much from that species 

 in the markings of the head and of the prothorax. 



a. Loo Choo. Presented by Cupt. Beechey. 



b. ? From Mr. Macgillivray's collection. 



Country unknown, 



a. Head white about the mouth. leucostomus* 

 aa. Head not white about the mouth 



b. Body black or piceous. 



c. Prothorax not pilose. 



d. Protborax tomenlose. 



e. Fore wings shorter than the abdomen. - carbonarius. 

 ee. Fore wings not shorter than the abdomen. - - simplex. 



dd. Prothorax shining. 



e. Prothorax wholly black. - nigerrimus. 



ee. Prothorax bordered with red - erythrospilus. 



eee. Prothorax with some tawny marks. - collocatus. 



cc. Prothorax pilose. hirsutulus. 



bb. Body pale. 



c. Wings complete. ------ pallidissiuius. 



cc. Wings none or rudimentary. 



d. Antennae a little longer than the body. - fascia tus. 

 dd. Antennae more than twice the length of the body. - pustulipes. 



93. GRYLLUS LEUCOSTOMUS. 

 leucostomus, Serv. Hist. Orth. 342. 



94. GRYLLLS CARBONARJUS. 

 carbonarius, Serv. Hist. Orth. 335 fnliginosus, var. ? 



95. GRYLLUS SIMPLEX. 



Fosm. Piceus, tomentosus ; caput nitens, antice testaceum ; palpi pallide 

 testacei ; prothoracis anguli antici teslacei ; venter lestaceo late 

 vittatus ; cerci abdomine breviores ; femora testacea, apice picea ; alee 

 antica abdominis apicem attinyentes, villa brevi fulva, apud costam 

 diaphance testaceo venosce ; a/ce postica abdomen lonaissime super- 

 antes. 



Female. Piceous, tomentose. Head shining, mostly testaceous in 

 front. Eyes livid. Palpi pale testaceous. Antennae black. Prothorax 

 with a testaceous dot by each fore angle. Pectus testaceous. Abdomen 

 'beneath with a broad testaceous stripe. Oviduct mutilated. Cerci shorter 

 than the abdomen. Coxae and femora testaceous, the latter piceous towards 

 the tips. Fore wings extending to the tip of the abdomen, with a short 

 tawny stripe along the lateral keel; subcostal space pellucid, with testaceous 

 veins. Hind wings extending very much beyond the abdomen. Length 

 of the body 8 lines. 



