Sept., 1904. 1 ViERECK AND COCKERELL : PhILANTHID^. 131 



(^) Dull, slightly inclined to be striolate : vidua, Jioiwmexicatia. 

 ( r ) Rugose : blakei. 



(c/) Obscurely aciculate (like b?') : binodis. 



(e) Aciculate : inaximiUa?ii, montivaga, truncata. In the last the 

 median furrow is crenulated, as also it is \x\ flavida. 



{B.) Enclosure with punctures and striae only at the sides. 



(rt) Smooth in middle, punctured at sides: macrosticta, fetniir-riib- 



riim, hebes, fasciola. 

 (b) Dull, with a few rather large lateral punctures: fidelis, siibpetio- 



lata. 

 (<r) Smooth, dullish, obliquely striatulate at sides: convergens, rin- 



CO Ills, deserta. 

 (d) Dull, margins punctate : chilopsidis. 

 { e) A few deep punctures on each side : compar. 

 (/) Shining, with slightly oblique stride on sides : sexta. 

 (g) Shining, impunctate, the sides foveolate : chiriguefisis. 

 (/i ) Impunctate, sides foveolate-striate : imperialis. 

 ( / ) Longitudinally striated laterally : erythroppda. 



( C. ) Striate or grooved practically all over. 



(^a ) Strongly longitudinally striated : nasica, platyrhina, imitator, 

 morata, biiingulata, nigrescens, dentifrons, strigosa, viarginata. 



{b) Dull, granular, obliquely longitudinally striated : tepaneca. 



(r ) Finely and somewhat obliquely striated: fiilvipes. 



(c/) Coarsely and obliquely striated : compacta. 



( (? ) Shining, coarsely striolate : aiireofacialis. 



i^f) Transversely striated : smithiana, riifinoda, crotonella. 



{D. ) Punctate practically all over. 



{« ) Punctured : so/iofensis. 



(b) Finely and closely punctured : montczuma. 



{c) Ill-defined, strongly punctured \ feralis. 



i^d) Not defined, except by six large oblong foveas : obsoleta. 



{£■) With the anterior and posterior portions different. 



(a) Punctured, smooth at base : juciinda. 



{b) Transversely striate anteriorly : cockerelli. 



( (T ) Striate longitudinally or slightly obliquely at base : clypeata. 



