NORTH AMERICAN COLEOPTERA. 193 



M. maoulosus Hald. Trans. Am. Phil. Soc. x, p. 51. 

 vudator Lee. Agass. Lake Super, p. 2.35. 

 marmoratus% Lee. Journ. Aead. 1852, ii, p. 148. 

 clamator Lee. loe. cit. p. 149. 



M. scutellatus Saj', Long's Exped. ii, 1824, p. 289; Lee. loe. cit. 14S. 

 resvtor Kby. Faun. Bor. Am. iv, p. 167. 

 oregonensis Lee. New Species, 1873, 231. 



M. confusor Kby. Faun. Bor. Am. iv, p. IfiS ; Lee. Journ. Aead. 1852, ii, p. 148. 



M. marmorator Kby. Faun. Bor. Am. iv, p. 169. 

 marmoratus Eand. Bost. Journ. ii, p. 42. 

 /alitor Lee. Journ. Acad. 1852, ii, p. 149. 

 acutus Laeord. Gen. Col. ix, p. 316 note. 



GOES Lee. 

 This species of this genus are but few in number and may be sepa- 

 rated in the following manner : 



Surface color of body brownish ; antennae of male at most one and a quarter time 



the length of the body 2 



Surface color of body black, shining; antennse of male twice as long as the body 



of the female as long as in the preceding males. 5 



2. ^Elytra with conspicuous denuded fascia one-third from apex 3 



Elytra without conspicuous denuded fascia 4 



3. — Pubescence of surface white tigriiia. 



Pubescence ochreous or luteous, the basal region of the elytra darker, less pu- 

 bescent pulchra. 



Pubescence marmorate. whitish and ochreous, the apical region darker ochre- 

 ous debilis. 



4. — Pubescence luteous or pale brown, inconspicuously mottled with paler spots. 



tesselata. 

 Pubescence cinereous or almost white, uniform, sometimes with a faint trace 



of darker fascia pulvertilenta. 



5. — Elytra coarsely punctured, pubescence whitish, a small conspicuous black spot 

 on each elytron one-third from apex oculata. 



Bibliography. 



G. tigrina De Geer, Ins. v, 113, pi. 14, fig. 6; Lee. Journ. Aead. ii, p. 150. 



tomentosus Ziegler, Proe. Acad, ii, p. 47; Hald. Journ. Am. Phil. Soc. x, p. 51. 

 G, pulchra Hald. loe. cit. 23. 52; Lee. loe. cit. p. 150. 

 G. debilis Lee. loe. cit. p. 150. 



G, tesselata Hald. loe. eit. p. 51 ; Lee. loe. cit. p. 150. 

 G. pulverulenta Hald. loe. cit. p. 51 ; Lee. loe. cit. p. 150. 

 G. oculata Lee. Proe. Aead. 1862, p. 40. 



DOKCASCHEMA Hald. 



This genus contains but three species as far as known separable in the 

 following manner : 



TRANS. AMER. ENT. SOC. XII. (29) JUNE, 1885 



