2 i CATALOGUE OF 



1 1 may be a small variety of G. septentrionalis. 

 a. Brazil. Presented by J c P. G. Smith, Esq. 



36. Gkyllus sign at us. 



Fcem. Niger, tomenlosus ; caput nitens, margine antico fulvo ,- palpi 

 picei; prolhorax margine antico el poslico tenuis sime fulvis ,• ovi- 

 duclus abdomine paullo longior ; pedes picei, femoribm posticis 

 subtus fulvis ; alee anticce picece, abdominis apicem allingent.es, vilta 

 fulva, upud costam diaphana albido venoste ; ales poslica abdomen 

 longe superantes. Mas. — Minor; caput testaceo unimaculatum ; alee 

 abdomine breviores. 

 Female. Black, tomentose. Head shining, tomentose along- the 

 bind border, tawny about the mouth. Eyes and paljd piceous. Ocelli 

 luteous. Piothorax very narrowly tawny in front and along the hind 

 border. Pectus and oviduct piceous, the latter a little longer than the 

 abdomen. Legs piceous; hind femora tawny beneath and with slightly 

 indicated tawny streaks on tbe outer side; hind tibiae with five spines on 

 the outer side and with four on the inner side. Fore wings piceous, ex- 

 tending to the tip of the abdomen, with a tawny stripe along the medi- 

 astinal vein; costal space pellucid, with whitish veins. Hind wiugs 

 extending much beyond the abdomen. Length of the body 10 lines. 

 Male. — Much smaller. Head with a testaceous spot between tbe eyes. 

 Fore wings about three-fourths of the length of the abdomen. Hind wings 

 not longer than the fore wings. Length of the body 9| lines. 



The two hinder dots on the head distinguish this species from those 

 previously recorded. 



a, b. Venezuela. From Mr. Dyson's collection. 



37. Gryllus vicarius. 



Mas. Niger, nitens ; capitis latera antica rufa ; palpi sordide ru- 

 fescentes ; pectus ferrugineum ; cerci ferruginei ; pedes ferruginei, 

 femoribus posticis vix slrigatis ; alw antico? picece, basi pallide tes- 

 taceo?, apud costam testaceo venosce, abdomen paullo superantes ; alw 

 poslicm abdomen longe superantes. 



Male. Black, shining. Head red on each side in front; mandibles 

 red, with black teeth. Eyes lurid. Palpi dull reddish. Pectus and legs 

 ferruginous. Cerci piceous. Hind femora with the oblique streaks hardly 

 perceptible ; hind tibiae with six spines on the outer side and with five on 

 the inner side. Fore wings piceous, pale testaceous at the base, extending 

 a little beyond the abdomen ; subcostal space with testaceous veins. Hind 

 wings extending much beyond the abdomen. Length of the body 10J 

 lines. 



The colour of the fore wings distinguishes this species from G. 

 signalas. 



Para. In Mr. Saunders' collection. 



