66 Families ani> Genkra ok 



Ormthomvia Latreille, Hist. Nat. des Crust, etc. XIV, 1804. 

 Lii'Oi'TKNA Nitsch, (icrm. Mag f. Ent. Ill, 1818. 

 Mei.ophagus Latreille, Hist. Nat. des Crust, etc. XI\'. 1804. 

 HiPPOBOscA, Linne, Fauna Sueciea, 1761. 



NYCTERIBID^:. 



Wingless, pupiparous flies, parasitic uj)<)n bats in the adult stage. 

 Head small, eyeless, folding bace into a groove on the dorsum of 

 the thorax. Legs long, spider-like; claws well developed. 



Nyctkkibia. 



Ntcteribia Latreille, Hist. Nat. des Crust, etc., XIV, 1804. 



