267 



dermati, C e t o n i æ , 

 Melolonthæ, 

 distantiora Phylloperthæ, Rhizo- 

 trogo, Sinodendro; 

 in series transversas subdigesta Ateucho, Aphodio, Am- 

 in oecio, Trogi, 

 conferta r e 1 i q u i s . 



Instrumenta stridulatoria 



nulla Trogi, 



carina stipitum maxillarium instituta superiore, dentata, ad 

 aream inferiorem, tuberculosam mandibularum accommodata 

 p 1 er i sque, 



carina instituta dentata aut area tuberculosa lateris interioris 

 trochanterum tertii paris, ad aream tuberculosam lateris 

 posterioris coxarum secundi paris accommodata Ge o trypæ, 

 Lucano, Dorco, Platycero, Sinodendro, Passal o. 



Dentes stridulatorii maxillarum 

 seni Xylotrypæ, Osmodermati, Parastasiæ, Eu- 



chloræ, Phylloperthæ, 

 septeni A t e u c h o (pullo) , 

 noveni Aphodio rufipedi, Ammoecio, 

 deni Oryctæ, 

 duodeni Melolonthæ, 

 terni deni Aphodio fossori, 

 quini deni Rhizotrogo, 

 viceni Sericæ; 

 recti, acutati Sericæ, 



compressi, truncati Xylotrypæ, Oryctæ, 

 recurvi, graciles, acutati plerisque, 



conici, robusti A t e u c h o, Aphodio, Ammoecio. 



Tubercula stridulatoria mandibularum 

 rotundata, indigeste conferta, aream implentia 



transversam, in media mandibula sitam Melo- 

 lonthæ, Rhizotrogo, 



