'io t)E USU INSECTORUM . 



y Situs naturalis prafbet Paipos aniicos maxil- 

 Ijc dorso inhacrentes , ipsi^uc superincumbences , 

 palpos autem posticos labii medio adfixos , ejus- 

 que superiorem p m cingentes . 



Clypeus sempwc os supernc tegit , labiura 

 inferne . 



MandibulcE immediate sub clypeo latera oris 

 superne claudunt . 



Maxillx semper sub mandibulis latera oris 

 inferne claudunt . 



Palpi antici duo aiit quatuor maxillae dorso 

 adnati . Exceptio rarissima in ^pe . 



Palpi postici plerumque labii medio laterali, 

 saepe apici , raro parieti interiori inserti , rarissi- 

 *me labio haud adlijerent , ut in Lucano . 



Palpi antici in Agonatis mandibulis j postlci 

 labio inserti totum os obtegunt . 



In Unogatis Palpi duo maxillis adhacrent , 



In Glossatis lingua spiralis semper inter pal- 

 pos reflexos convoluta observatur . 



In Ryngotis vagina setas continens pierum- 

 que capitis apici inserca : Exceptio rarior , sub 

 capitis apice AcmtWta. ; peetori Chermes . 



In Antliatis proboscis porrecta stipite cras- 

 slori dorso canaliculato setas recipit ^ canalem 

 vero vagina univalvis claudic . Palpi pleruraquc 

 ad latera proboscidis inserti . 



Ubi Probbscis deest hausrellum exsertum 

 Vagina bivalvi cylindrica constans , setas continec. 



S" Figura partium naturalissima ostendit Palpos 



,liIiformes articulis cylindricis iequalibus : Clypeum, 



ec labium rotundata , integra : mandibulas cor- 



neas, arcuatas ; maxillas cylindjicas ^ wiidenta- 



tas t lo 



