279 



howensis 

 norfolcensis 



frenchi 



The species in t"he Museum may be tabulated as follows 



A. Femora edentate. 



a. Flanks of prosternum at most with small 

 shallow punctures. 



* Dark metallic-blue rara 



** More or less castaneous. 



b. Sides of prosternum adjacent to coxae 



strongly striated 



?>&. Sides there scarcely visibly striated ... 

 aa. Flanks of prosternum with distinct and 

 usually large punctures. 

 c. Punctures there mostly small but mixed 



with considerably larger ones 



cc. Punctures there more or less uniform in 

 size. 

 d. Elytral punctures much smaller than 



the spaces l>etween them cpdefa 



dd. Elytral punctures mostly wider than 

 the spaces between them. 

 e. Fifth segment of abdomen of male 



overhanging fourth compJicata 



ee. Fifth not overhanging fourth ... hoblerae 

 AA. Front femora dentate. 



B. Sides of prothorax gently undulated in 

 middle. 

 /. Prothoracic punctuiies comparatively dense 



and coarse similis 



ff. Prothoracic punctures much smaller and 



sparser parvldens 



BB. Sides of prothorax not undulated in 

 middle. 



C. Hind femora strongly dentate pictipes 



CC. Hind femora edentate. 



D. Sides of prothorax oblique and straight rrcfUatera 

 DD. Sides more or less evenly rounded. 

 E. Third joint of antennae ait least one- 

 third shorter than fourth. 

 * Hind tibiae of male suddenly and 



strongly inflated near base 

 ** Hind tibiae not so inflated. 



g. Seventh and eighth joints de- 

 cidedly darker than the pre- 

 ceding ones 



gg. Those joints not darker 



EE. Third joint not much, if at all, 

 shorter than fourth. 

 F. Of small size and feebly, if at all, 

 metallic. 

 h. Each elytron with at least five 



distinct striae on apical slope paJlidula 

 hh. Each with less than five there doddi 

 FF. Larger and conspicuously metallic. 

 G. Elytra with transverse rugae on 

 parts of apical slope. 

 i. Many punctures confluent on 



sides of prothorax acervata 



ii. No punctures confluent there crassipes 

 GG. Elytra with no transverse rugae 

 on parts of apical slope. 



(inomogastra 



picticornis 

 forsalis 



