GREEN OR LIVING VEGETABLE MATTER. ?3 



Articulo basilari, magno, crasso, deflexo, tuberculi- 



forml ; 

 Capitulo 3-phyllo, ovato, longitudinem antennarum 

 totam prater articulum basilarem aquante. 



Labrum memkranaceum, clypeo absconditum, aut vix pro- 

 mlnulum, margine antico ciliato, emarginato, la- 

 teribus rotundatis. 



Mandibulse compresses, tenues, lanceolate, membrana sub- 

 quadratd intus aucta, hujus latere externa pro- 

 ducts et basi vix cornels vel cornels. 



Maxilla? cornea, subtrlgona, latere interna membranaceo, 

 ciliato ; processu terminall Integro, sapius compresso, 

 setoso, jimbrlave hirsuto, lacinlave Instructo. 



Palpi maxillares articulo ultimo alils longe majore, elon- 

 gato. 



Palpi labiales mentl lateribus excavatis inserti, articulis 

 duobus baseos brevlbus. 



Mentum et Labium connata, ernarglnato-bljida. 



Caput quadratum, rarlsslme cor nut urn, clypel lateribus $a- 

 pius parallells, dlametro longltudinali et transverso 

 aquatis aut illo majori; oculls promlnulls vix clypeo 

 insertis sed Mi ajjixls. Corpus ovatum, saplus de- 

 pressum, semper planiusculum. Thorax forma irre- 

 gulari ; Scutellum sapius dlstlnctum. Sternum 

 sape product um. Pedes graciles. Tarsi unguibus 

 ccqualibus, acutis, indivisis. 



Observations. 



The membranaceous texture of the mandibles and 



maxilla? of the Cetoniidcc proves that these insects in the 



perfect state are intended to live on vegetable juices. Thus 



the Cetonla Mono, Fab., and probably many others of the 



