TABLE OF FAMILIES. Xxiii 



Anterior coxa? large, transverse. 38. Schizopodid.e. 



7. Antennae more or less serrate, the outer joints frequently enlarged, but 



not forming a regular club. 12 



Antennae clavate, (sometimes very slightly so) ; 

 Tarsi 3-jointed ; anterior coxas conical, contiguous ; onychium a clubbed 

 bristle, wings friuged with long hairs. 13. Trichopterygid.e. 

 Onychium not distinct. 23. Lathridiid.e. 



Tarsi 4-jointed ; 



Presternum membranous. 28. GeoryssidjE. 



Presternum corneous ; 

 First ventral segment very long. 45. Ptinid^e.* 



First ventral segment not elongated ; 



Head protected by the hood-like thorax. 46. Cioid.e. 



Head not covered by the thorax. 25. Mycetophagid.e. 



Tarsi 5-jointed; (except in certain genera of Families 15 and 7); 



Labial palpi approximate at base ; 8 



Labial palpi very distant at base ; palpi long. 6. Hydrophilid;e. 



8. Anterior coxa? large, conical, prominent, cavities open behind. 9 

 Anterior coxae conical, cavities confluent, closed behind. 10 

 Anterior coxae rounded or oval, not prominent. 11 

 Anterior coxa? transverse, not prominent ; 



Hind coxae sulcate behind for reception of thighs. 27. Byrrhid.e. 



Hind coxa? flat ; 



Antenna? geniculate. 11. Histerid.e. 



Antenna? straight ; 



Tarsi more or less dilated, first joint not short. 15. Nitidulidje. 



Tarsi not dilated, first joint short. 17. Trogositii>.e. 



9. Hind coxa? sulcate behind for reception of thighs. 26. Dermestid.e. 

 Hind coxa? not prominent, last ventral segment long. 12. Scaphidiid.e. 



Hind coxa? somewhat conical, and prominent, not sulcate ; 



Tarsi lobed beneath. 25. MYCETOPHAGiD-E.f 



Tarsi not lobed beneath ; 



Eyes finely granulated or wanting. 7. SiLpnm.E. 



Eyes coarsely granulated. 8. Scydmjenid.e. 



10. Hind coxa? not sulcate behind, simply transverse. 24. Othniid.e. 

 Hind coxa? concave behind, for reception of thighs ; 



Front scarcely margined. 22. Derodontid.e. 



Sides of the front broadly dilated. 17. Trogositid.e.:}: 



11. Antenna? geniculate. 11. Histerid.£. § 

 Antenna? straight ; 



Hind coxa? sulcate behind for reception of thighs. 34. Throscid.e. || 

 Hind coxa? not sulcate behind. 

 First and fifth ventral segments very long. 16. Monotojiid-e. 



* Sub-family Lyctidse. t Sub-family Diphyllidae. 



X Sub-family Peltasticidse. § Sub-family Murmidiida?. 



|| Tribe Throscini. 



