106 Insecta. Pterodicera. 



fig. 6; Stoll. Gryll. , tab. 12. b. , fig. 43. — Gryllus grossus 

 Fab. ; Panz. Faun. Insect. Germ. , fasc. 33, fig. 7 ; Rms. Ins. , 

 tom. 2, Gryll. , tab. 22, fig.l. 2. 



4. Thorax antice subabrupte compresso-angust ior , carina nulla 

 aut unica tantum, non cruciatus. 



A. TJwrax carinatus. 



a. Sternum anticum cornutum. 



Gryllus t at ar i c us Linn. — G. lineola Fab.; Herbst. Arch. 

 Insect.,tab. 5i,fig. 2; an prsecedentis varielas ? — G. rufi- 

 cornis Fab. 



b. Sternum anticum muticum. 



* Elytra abdomine longiora. 



Gryllus migratorius Fab. ; Rms. Insect,, tom. 2 , Cryll. , tab. 

 24. — Gryllus coerulescens Fab. ; Panz. Faun. Insect. Germ. , 

 fasc. 87 , fig. II. — Acrydium germanicum Oliv. ; acrydium 

 Geoff. , n°. 3; Rms. Insect., tom. 2, Gryll., tab. 21 , fig. 7. 



** Elytra abdomine non longiora. 



Gryllus stridulus \Axm. , Fab. ; acrydium fuliginosum Oliv. ; 

 Panz. Faun. Insect. Germ. , fasc. 87 , fig. 12. 



B. Thorax non carinatus. 



Gryllus coerulans Linn. , Fab. ; Acrydium Geoff. , n". 1 ; 

 Ras. Insect. , tom. 2, Gryll. , tab. 22 , fig. 3. 



5. Thorax cruciatus. 



Gryllus flauus , Linn. africanus ; acrydium nigro-fasciatum , 

 De Geer, tom. 3 , p. 4g3 , pl. 4i , fig. 5 ; acrydium a Stoll, 

 tab. 11. b., fig. 4i , depiclum illo proxiinum, at americanum; 

 ejusdem figura 44 flavo, nostrati prseserlim, magis convenit. — 

 Grylli Linnaei , Fabricii : viridulus , biguttulus. 



