572 Coleopterological Notices, VI. 



Legs hioolored, tlie femora black. 



Elytral pubescence blackish ami iuconsi)icu<)us but beconiinji ashy to- 

 ward base 5. 1)i-eviiisciilus 



Elytral pubescence pale cinereous throughout, even liut rather sparse; 



body more elongate (5. tlisi^iiiiilis 



3 — Elytral vestiture uniform in distril)ution, cinereous and distinct but not 

 very dense or coarse. 

 Legs Idack or blackish in color. 



Larger species, the head smaller; elytral vestiture consisting of shorter 

 and longer hairs which are confusedly intermingled..?. fastidiomilS 

 Smaller and narrower, the head almost as wide as the prothorax; vesti- 

 ture even and less dense 8. iiiacer 



Legs bicolored, pale rufous, the femora black. 



Prothorax moderately transverse; elytra with very short and sparse 

 erect hairs, intermingled throughout with the more decumbent pubes- 

 cence 9. ci'uralis 



Prothorax twice as wide as long, the erect hairs of the elytra extremely 



short and indistinct, only visible toward apex 10. depressullIS 



Legs pale rufo-ferruginous throughout, the posterior femora occasionally 

 slightly darker. 



Prothorax much narrower than the base of the elytra IL piisilltis 



Prothorax equal in width to the base of the elytra 1'2. iiiiiiiitiis 



Elytral vestiture uneven in distiibution, the pale hairs forming a broad me- 

 dian and apical fascia 13. seniinudlis 



4 — Body stout, convex, very densely clothed with coarse and decnmljent i>ale 

 pubescence, without trace of erect setiB 14. liiieellii^ 



The American species of Dasytes inhabit the true Pacific coast 

 faunal regions almost exclusively, the few forms known from the 

 Rocky Mountains having probably descended from the north, in 

 conformity with well known laws of distribution. 



1. D. liudsonicus Lee. — Proc. Acad. Nat. Sci., Phila., 1806, p. 360. 



Stout, oblong, moderatel}' convex, shining, deep black through- 

 out, the legs and antennae not at all paler; pubescence of the pro- 

 notum short, sparse, subcinereous and intermixed with consider- 

 ably longer stiff erect black hairs, of the elytra black, suberect 

 and moderately dense throughout, with a large proportion of the 

 hairs a little longer and more erect, especially toward the sides. 

 Head transverse, three-fourths as wide as the prothorax, feebly 

 rugulose, finely but strongly and somewhat closely punctate, the 

 front broadly impressed ; e3'es moderate ; antennoe slender, fili- 

 form, about as long as the head and prothorax, the penultimate 

 joints fully as long as wide, the eleventh elliptical and nearly 

 twice as long as wide. Prothorax twice as wide as long, widest 



