INDEX OF GENERA. 



INDEX OF SPECIES AND SUB-SPECIES, 



achatina, . 



aculeilellus, 



agitatellus, 



albana, 



albellus, . 



albilineellus, . 



alboclavellus, . 



alleni, 



anceps, . 



arbustorum, 



argentana, 



aryentata, 



argentella, 



argentelhts, 



aryenteus, 



argillaceellus, . 



PAGE 

 14 



22 

 37 

 72 

 38 

 55 

 36 

 75 

 50 

 43 

 71 

 71 

 43 

 43 

 43 

 24 



argyreus, . 



attenuatus, 



auratella, 



auratellus, 



aurifim bria Us , 



behrensellus, 



bidens, 



biliturellus, 



biothanatalis, 



bipunctellus, 



bolterellus, 



bonifatellus, 



bonusculalis, 



californicalis, 



caliginosellus, 



camurellus, 



PAGE 

 43 

 54 

 72 

 72 

 47 

 49 

 32 

 59 

 49 

 44 

 53 

 57 

 52 

 69 

 61 

 51 



