132 



INTBODFCTIOJV. 



B. Onychium small. 



a. Posterior coxae sulcate for the 



reception of the femora. 

 «*. Posterior coxae more or less 

 dilated ; epimera of meso- 

 sternum reaching the coxae, 

 of . Anterior coxa3 with a large 



and distinct trochantin . . Dascillidae, p. 133. 

 6f. A nterior coxae without tro- 

 chantin Helodidae, p. 133. 



b*. Posterior coxae not or scarcely 

 dilated ; sulcation of these 

 much more marked in the 

 Anobiinje than in the 

 Ptininje ; epimera of nieso- 

 sternum not reaching the 



coxae Anohiidae (Ptinidae), 



b. Posterior coxae not sulcate. [p. 143. 

 «*. Epimera of mesosternum not 



reaching the coxae ; first joint 

 of tarsi vers short, sometimes 



obsolete Bostrychidas, p. 144. 



i*. Epimera of mesosternum 

 reaching the coxae. 

 a'\. Posterior coxae flat ; tarsi 

 with membranous lobes 



beneath Cleridae, p. 139. 



bj. Posterior coxae prominent ; 

 tarsi without membranous 

 lobes. 



a%. Anterior coxae without 

 trochantin ; maxillary 

 palpi in the male (except 

 very rarely) large and 



flabellate Lymexylonidae, p. 141. 



6|. Anterior coxae with a 



distinct trochantin. 



* Abdomen with seven 



or eight ventral seg- . „ . , 



° ° \ Cantharidae 



« Abdomen ' ' with ' six 1 (Telephoridas), p. 135. 



(rarely five) ventral 



segments Melyridae, p. 138. 



2, First ventral segment elongate ; an- 

 tennae terminated by a 2-jointed 



club Lyctidae, p. 145. 



ii. Tarsi 4-jointed Cioidae, p. 146. 



II. Prosternum produced between the ante- 

 rior coxae and fitting into a groove on 

 the mesosternum. 

 i. First and second ventral segments con- 

 nate ; integument as a rule metallic, 

 often very brilliant : larvae with 

 the anterior three or four segments 



much broader than the rest Buprestidae, p. 147. 



