322 THE CANADIAN ENTOMOLOGIST. 



D. interruptus, n. sp. — Elongate-oval, more convex, the surface 

 smoother, more densely clothed with slender decumbent pointed scales, 

 generally white in colour, but variegated on the elytra with numerous 

 small patches, in which the scales become brown in colour, smaller in 

 size and sparser, these patches more coarsely punctate, and forming in 

 general an oblique line from the humeri to the middle near the suture, 

 and thence obliquely outward and posteriorly, meeting a broad variegated 

 area extending longitudinally from the humeri nearly to the apex ; beak 

 not more prominent along the middle ; prothorax only moderately 

 denticulate and prominent at the sides near apical fifth, the subdenuded 

 central area moderately narrowed anteriorly, the punctures somewhat 

 coarse but sparse ; elytra not furrowed, having series of small punctures 

 which become large in the subdenuded patches. Length, 8.2-9.5 mm.; 

 width, 3.3-3.9 mm. 



Utah. Mr. Weidt. 



This species somewhat resembles the southern Californian alboves- 

 titiis, but is smaller in size and more convex, with the alternate elytral 

 intervals not more convex and conspicuous, as they are in that form, and 

 with the punctuation throughout less coarse. 



D. Mexicanns, n. sp. — Elongate-oval, large in size, rather strongly 

 convex, black, densely clothed with decumbent whitish scales of the usual 

 elongate pointed form, not variegated in colour and not distinctly denuded 

 in patches on the elytra : beak large and well developed, very coarsely 

 punctate, not prominent along the middle ; prothorax much wider than 

 long, the dentiform lateral prominences at apical fourth moderate, the 

 punctures coarse and rather close-set, the median subdenuded area very 

 broad, moderately and sinuously narrowed anteriorly ; elytra not grooved, 

 having feebly impressed series of moderately small and deep punctures, 

 the first and second from the suture usually coarser, and having a more 

 denuded appearance from near the base to behind the middle, the 

 alternate intervals just visibly more convex and more densely clothed as a 

 rule. Length, 14 5-15.5 mm.; width, 6.0-6.5 mm. 



Mexico (Guerrero). Mr. Baron. 



Resembles molitor^ Lee, to some extent, and was confused with that 

 species by Mr. Champion. It is rather broader and less convex in form, 

 with the scales denser and much more persistent than in moliior, and the 

 prothorax is much broader and less elongate. In molitor the vestiture 

 does not entirely conceal the integuments, and is very easily denuded. 

 The two species are quite different. 



