254 



Maia exterior maxillaridh 

 acie inermi plerisque, 



inferiore pectinate spinosa Ateucho, Aphodio, Am- 



moecio; 

 unco terminata bidente Geotrypæ, 

 simplici r e 1 i q u i s . 



Maia interior maxillarum 

 acie utraque spinis pectinate dispositis armata, 

 pectine superiore rariore Ateucho, Ammoecio, Tro gi, 



Sinodendr o; 

 unco terminali carens Parastasiæ, 



unco terminata simplici Osmodermati, Cetoniæ, Lu- 



cano, Dorco, Platycero, Si- 

 nodendro, 

 bifido Ateucho, Passalo, 



infra bispino Aphodio, Ammoecio, 

 trifido Trogi, Geotrypæ; 

 apice bidens Euchloræ, Phylloperthæ, 



tridens Xylotrypæ, Oryctæ, Melolonthæ, Rhizo- 

 trogo, Sericæ. 



Stipites palpigeri maxillarum 

 exserti, articulum proprium palporum simulantes plerisque, 

 brevissimi, vix exserti Xylotrypæ, Parastasiæ, Osmo- 

 dermati, Cetoniæ, Passalo. 



Palpi maxillares 

 biarticulati Passalo, 

 triarticulati r e 1 i q u i s ; 

 malam exteriorem 



non superantes Xylotrypæ, Parastasiæ, Osmoder- 

 mati, Cetoniæ, 

 perpaulum superantes Oryctæ, Lucano, Passalo, 

 superantes articuli terminalis parte 



quarta Euchloræ, Geotrypæ, Sinodendr o, 

 tertia Melolonthæ, Trogi, Dorco, 



