166 THE CANADIAN ENTOMOLOGIST. 



striate as usual, interspaces i . 3 and 5 with respectively 3-4, 7-9, 6-7, 

 setigerous punctures. The seventh and ninth intervals also have each one 

 or two punctures. Tibiae sulcate on the outer edge. 



Length, 7.5 nun. Lower California, San Jose del Cabo. 



Described from a single ^ specimen given me by Mr. Fuchs. I 

 have seen several others from the same source. Colorata resembles 

 sub nit id a, the only previously described species from the same region, in 

 its dull surface and sulcate tibiae, but differs much in colour, in the some- 

 what more numerous setigerous punctures of the elytra, and in the much 

 less approximate eyes. 



Macrobasis excors, n. sp. — Black, densely cinereous pubescent, the 

 tips of the femora, outer edge of front and middle tibiae and the tarsal 

 joints in great part, black. Antenna' black ; first and second joints 

 elongate in die male, the first about reaching the hind margin of the head, 

 but little longer than the second, and a little shorter than the second and 

 third united; second joint fully three times as long as the third and longer 

 than the next two; third about three-fifths as long as the fourth ; fourth 

 and following joints linear, about four times as long as wide, slightly 

 decreasing outwardly, both in length and width. In the female the basal 

 joints are much shorter than in the male, the third reaching the back of 

 the head, the second scarcely longer than the fourth. Head less broad 

 posteriorly than in unicoior, the tempora less prominent than the eyes. 

 Prothorax longer than wide. Anterior tibiae with two spurs in both sexes. 



Length, 16-17 mm - 



Described from a single pair kindly given me by Mr. Beyer, who 

 collected them at El Taste, Lower California. 



This species is very similar to unicoior, both in structure and general 

 appearance ; the latter, .however, is smaller, the head a little broader 

 posteriorly than across the eyes, the prothorax as wide as long, and the 

 antennal joints somewhat differently proportioned, the second being 

 relatively shorter as compared with the first, the third scarcely shorter 

 than the fourth, and the outer joints only about twice as long as wide. 



Cantharh Biaisdeiii, n. sp. — Length, 13-16 mm. Intense black 

 throughout, except for the minute reddish frontal spot, which is often 

 indistinct. Head and prothorax polished and sparsely punctate, elytra 

 finely scabrous and dull. Prothorax about one-tenth wider than long, 

 narrowed behind, sides moderately, strongly rounded at anterior third, 

 nearly straight posteriorly. Tibial spurs slender, subequal. 



