COI.EOPTERA OF BAJA CALIFORNIA. 447 



middle an arcuate row of four tubercles on each, convex 

 anteriorly, tipped with fuscous scales, a tubercle on each 

 elytron before the apex, surface with striae of coarse 

 punctures almost entirely concealed by the scales, vestiture 

 of white and brown scales intermixed. Body beneath uni- 

 formly clothed with dirty white scales, the legs with in- 

 termixed scales. Femora not toothed. Second ventral 

 segment quadrituberculate along its posterior border. 

 Length, .14 inch; 3.5 mm. 



Among the species at present known in our fauna this 

 one is related to mauunillatiis, but it differs strikingly 

 from all by the pronounced tuberosities of the thorax 

 and elytra. 



One specimen. El Taste. 



Baris peninsul.^ n. sp. 



Oblong-oval, form and general appearance of siibceiiea, 

 black, shining, a slight aeneous surface lustre. Beak 

 stout, closely and relatively coarsely punctate, head 

 almost smooth. Thorax as wide at base as long, shghtly 

 narrowed in front, disc convex, coarsely and closely 

 punctate with an incomplete smooth median line, each 

 puncture with a narrow white scale. Elytra slightly nar- 

 rowed behind, about one-fourth longer than the thorax, 

 deeply striate, intervals fiat, the third a little wider and 

 confusedly biseriately punctate, the other intervals irreg- 

 ularly uniseriately punctate, each puncture with an 

 elongate white scale. Pygidium coarsely and densely 

 punctured. Body beneath coarsely and closely punctate, 

 less so on the abdomen, each puncture with an elongate 

 white scale. Prosternum not as wide between the coxce 

 as the width of one of the coxie. Tibias straight, without 

 external dentiform process. Length, .15 inch; 4 mm., 

 nearly. 



