TABLE OF FAMILIES. 



XXV 



f f Hind tarsi* with a less number of joints than the middle 

 tarsi ; 4-jointed. 



47 



Anterior coxal cavities closed behind. 

 Anterior coxal cavities open behind. 



2. Tarsal claws simple ; 



Ventral segments five ; 



Penult, joint of tarsi not spongy beneath 



Penult, joint of tarsi spongy beneath. 

 Ventral segments six. 

 Tarsal claws pectinate. 



3. Head not strongly and suddenly constricted behind. 

 Head strongly constricted at base. 



4. Middle coxae large, conical ; 

 Middle coxse not very prominent ; head horizontal ; 



Penultimate joint of tarsi cylindrical; 



Antennae received in grooves. 



Antennae free. 

 Penult, joint of tarsi with a membranous lobe. 



5. Lateral margin of prothorax distinct. 

 Lateral margin of prothorax wanting. 



6. Head gradually narrowed behind the eyes. 

 Head suddenly narrowed behind ; 



Lateral suture of prothorax wanting. 



Lateral suture of prothorax distinct ; base as wide as the elytra ; 

 Antennae filiform ; 



Hind coxae not laminiform. 

 Hind coxae laminiform. 

 Antennae flabellate. 



7. Tarsi perfect with distinct claws ; eyes normal ; 



Prothorax at base narrower than the elytra ; 

 Hind coxae not prominent. 

 Hind coxae large, prominent ; 

 Claws simple. 

 Claws cleft or toothed. 

 Prothorax at base as wide as the elytra. 

 Tarsi without claws ; eyes pedunculated. 



Tenebrionidae. 



50. Lagkiidae. 



48. Aegialitidae. 



49. ClSTELIDAE. 



4 



6 

 5 



51. monommidae. 



53. Pythidae. 



54. Mycteridae. 



52. Melandryidae. 



55. Oedemeridae. 



56. Cephaloidae. 



52. Melandryidae.| 



57. mordellidae. 



61. Rhipiphoridae.J 



5S. Anthicidae. 



59, 



61. 



Pyrochroidae. 



GO. Meloidae. 

 Rhipiphoridae., 

 62. Stylopidae. 



* Except in Stylopidae, which is an entirely anomalous family, 

 f Tribe Scraptiini. $ Tribe Evaniocerini. 



