CLA.VIC011NIA. 



97 



if. Posterior coxae grooved or 

 sulcate for the reception of 

 the femora. 

 a%. Leg's not strongly re- 

 tractile ; form usually 



oblong- Dermestidae, p. 122. 



b%. Legs very strongly re- 

 tractile, capable of being- 

 drawn up entirely under- 

 neath the body; form 

 oval or hemispherical, 

 usually very convex. 



* Head prominent ; men- 



turn large Nosodendridae, p. 124. 



** Head sunk in prothorax; 



mentum small Byrrhidae, p. 123. 



6*. Anterior coxae without a free 

 trochantin. 

 «f. Tarsi five-jointed, some- 

 times heteromerous in the 

 male (very rarely four- 

 jointed). 

 a\. Epimera of mesosternum 

 reaching the middle 



coxal cavities Cucujidae, p. 106. 



b%. Epimera of mesosternum 

 not reaching the middle 

 coxal cavities. 



* Tarsal claws simple ; 



shape and size very 



variable, 

 t Tarsi pseudo - tetra - 

 merous, five-jointed, 

 the fourth jointsmall, 

 hidden in the emar- 

 gination of the third 

 joint (except in the 

 Dacnin^e *) ; shape 

 and size very vari- 

 able Erotylidae, p. 108. 



ff Tarsi plainly five - 

 jointed ; small and 

 inconspicuous in- 

 sects, of more or less 



oblong form Crypt ophagidae, p. 110. 



** Tarsal claws toothed at 

 base ; form oval or 

 elliptical and convex ; 

 small or very small 

 and inconspicuous in- 

 sects Phalacridae, p. 112. 



* The Dacnin^e may at once be distinguished from the Cryptopiiagid,*:, 

 except the Dipuyllin.b and Xexoscelin\e, by having the anterior coxal cavities 

 closed behind, and from the two last-mentioned subfamilies by having the 

 hind coxa; widely separated (v. p. 108). 



H 



