18 CATALOGUE OF 



20. Gkyllus Pensylvaniccs. 

 Pensylvanicus, Burm. Handb. Ent. ii. 734. 



a. N. America. Presented by E. Doubleday, Esq. 

 b—e. Indiana. Presented by F. Walker, Esq. 

 /. N. America. Presented by W. Kirby, Esq. 

 g. California. From M. Harlweg's collection. 



The specimen from California is in an early stage of growth, and can- 

 not be certainly assigned to this species. 



21. Gryllus persoxatus. 

 personatus, Ukler, Proc. Ent. Soc. Phil. ii. 547. 

 Kansas. 



Mexico. 



22. GuYLLUS SEPTEXTRIONALIS. 



Fceiu. Niger, tommtosus ; caput nitens, tinea transversa angulata lateri- 

 bus facieque fidvis ; prolhoracis latera fulva ; eerci picei, abdomine 

 iluplo breviores ; oviductus abdomine paullo longior ; pedes fulvi, 

 femoribus posticis paltido strigatis; alee anlicie luridce, abdominis 

 apicem ollingenles, basi carinaque pallidioribus ; alee postica abdo- 

 men longe sitpereintes. Mas. — Alee poslicce abdomen non superuntes. 



Female. Black, tomentose. Head shining, tomentose along tbe bind 

 border, lawny about the eyes : a slender transverse angular tawny line 

 between the ocelli ; sides and fore part irregularly tawny. Palpi blackisb 

 at their tips. Antenna? piceous, shorter than the body. Protborax tawny 

 along each side. Cerci piceous, nearly half the length of the abdomen. 

 Oviduct tawny towards the tip, a little longer than tbe abdomen. Legs 

 tawny ; hind femora with paler oblique parallel streaks on the outer side ; 

 hind tibiae vvith six spines on the outer side and with four spines on the 

 inner side. Fore wings lurid, extending to the tip of tbe abdomen, paler 

 at the base and along the mediastinal vein or along the lateral keel ; 

 branches of the mediastinal vein whitish. Hind wings extending much 

 beyond the abdomen. Male. — Hind wings not longer than tbe abdomen. 

 Length of the body 10 lines. 



Tbe colour of the palpi and of the legs distinguishes it from G. 

 capensis. 



a, b. Oajaca. From M. Salle's collection. 



c, d. St. Domingo. From Mr. Tweedie's collection. 



e. St. Domingo. From Mr. Hearse's collection. 



/. W. Coast of America. Presented by Capt. Kellelt aud Lieut. Wood. 



23. GltYLLUS LURIDUS. 



Fcem. Niger, tomentosus ; caput nitens, antice rufum ; palpi rufescente 

 picei; antennae piceee, corpore paullo lonyiores ; prothorax stric/is 

 duabus posticis rufis ; oviductus abdomine multo longior; alee anticce 

 picecc, abdomine breviores, apud costam diaphance testaceo pultido 

 venoscc ; alee poslicce abdomen longe superanles. 



