TABLE OF FAMILIES. 



§ Penultimate joint of tarsi not connate with the last joint; 



f Hind tarsi with the same number of joints as the middle 

 tarsi,* which are 5-jointed, unless otherwise stated : 



First ventral segment visible at the middle and sides ; 4 



First ventral segment visible only at the sides ; 2 



2. Legs fitted for swimming ; 3 

 Legs fitted for running ; 



Mesosternum pointed behind, attaining the abdomen ; 



Antennae inserted upon the front. 1. Cicindelice. 



Antennas inserted under the side of the front. 2. Carabidje. 



Mesosternum not attaining the abdomen. 3. Amphizoidje. 



3. Eyes two, antenua? slender. 4. Dytiscid^;. 

 Eyes four, antenna? short irregular. 5. Gyrinhxs. 



4. Dorsal segments of the abdomen partly membranous ; 5 

 Dorsal and ventral segments entirely corneous ; elytra short ; 



Abdomen flexile, ventral segments eight. 10. Staphylinidje. 



Abdomen not flexile, ventral segments five or six. 9. Pselaphid^;. 



5. Antennas not having a lamellate club, or legs not fossorial. 6 

 Outer joints of antenna? forming a lamellate club ; legs fossorial ; 



Joints of the club fixed. 31. Lucanid-e. 



Joints of the club movable. 32. Scarab.eid.*:. 



6. Ventral segments free. 7 

 Ventral segments five, 1 — 4 connate ; tarsi 4-jointed ; 



Antenna? regular, legs not fossorial. 18. Coiydiwje. 



Antenna? irregular, legs fossorial. 30. Heteroceridje. 



Ventral segments 1 — 3 connate ; tarsi 5-jointed, not lobed beneath ; 



Last joint of tarsi very long. 29. Parnid^e. 



Last joint of tarsi moderate. 12. Rhyssodid^;. 



First and second ventral segments connate ; antenna? serrate ; tarsi 

 5-jointed, with membranous lobes beneath ; 



Anterior coxa? small, rounded. 33. BupRESTiDiE. 



* Except in certain males in Families 20 and 21, and one genus of 11. 

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