io6 Insecta. Pterodicera. 



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

 Fab. ; Panz. Faun. Insect. Germ. , fasc. 55,fig. 7 ; R(BS. Ins. , 

 tom. 2, Grjll. , tab. 22 , fig. 1. 2. 



4. Thorax antice suhabrupte compresso-angustior , carina nulla 

 aut unica tantum, non cruciatus. 



A. Thorax carinatus. 



a. Sternum anticum comutum. 



Grjllus t at ar i c us Ljinn. — G. lineola Fab. ; Herbst. Arch. 

 Insect. , tab. 54, fig. 2 ; an prgecedentis vaiietas ? — G. rufi- 

 cornis Fab. 



b. Sternum anticum muticum. 



* Elytra ahdomine longiora, 



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

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

 fasc. 8j , fig. 11. — Acrydium germanicum Oliv. ; acrydium 

 Geoff. , n". 3; R(ss. Insect., tom. 2, Grylh, tab. 21 , fig. 7. 



** Elytra ahdomine non longiora. 



Gry llus stridulus Ijinn. , Fab. ; acrydium fuliginosum Oliv. ; 

 Panz. Faun. Insect. Germ. , fasc. 87 ,fig. »2. 



B. Thorax non carinatus. 



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

 Rms. Insect. , tom. 2, Gryll. , tah. 22, fig. 3. 



5. Thorax cruciatus. 



Gryllus flavus ^ Linn. africanus ; acrydium nigro-fasciatum , 

 De Geer, tom. 3 , p. ^gS , p/. 4i , /g-. 5 ; acrydium a Sloll, 

 fa6. 11. b., fig. 4i , depictum illo proximum, at americanum; 

 ejusdem figura i^ flavo, nostrati praesertim , magis convenit. — 

 Grylli Liunsei, Fabricii : viridulus , biguttulus. 



