164 LENG AND HAMILTON. 



I>. bicolor Horn, 18S5, Tr. Am. Ent. Soc. xii, 193. 

 Length 7.5 mm. = .30 inch. Habitat. — Texas. 



The characters in the table will distinguish this sjiecies when found. 



D. debilis Horn, 1895, Coleop. Baja Calif. (Proc. Cal. Acad. Sci. 2d ser. v, 246. 

 Length 4.5 mm. = .18 inch. Habitat. — Lower California (San Jose del Cabo). 



This species can likewise be known by the table. 



\_Polyopda aaalls Hald., 1845, Tr. Am. Phil. Soc. x, 57, was 

 placed in AdetHS Lee, Jour. Ac. Nat. Sci. ser. 2d, ii, 161, of which 

 AgerDiopsLs Thonis. is a synonym. It has been discovered that the 

 type was from Brazil and not from Pennsylvania, Lee. Proc. Acad. 

 Nat. Sci. 1873, p. 336.] " Ham." 



{Here Mr. Lem/s work ends.) 



While the Synopsis of the Ceranjbycidje has been going through 

 the press some changes in synonymy have been made, some iniknown 

 species introduced and others described. To complete the work 

 these must be briefly noticed. 



Ergates neomexicanus Casey, 1890, An. N. Y. Acad. Sci. v, 490. 



This is synonymous with spiculatus, being a description of a 

 well-establislied individual variation. 



IVIallo«lon inolariiiin Bates. 1879, Biolog. Am. Cent., Coleop. vol. v, 9, pi. 

 1, figs. 10 and 11. Habitat. — Lower California, Me.\ico, Panama. Nicaragua. 



[Resembles our other species, but has the upper edge of the man- 

 dibles elevated in a tubercle.] " Horn." 



Prionus debUis Casey, 1891, An. N. Y. Acad. Sci. vi, 21. This 

 is a synonym of imbricornis, being a description of a small and 

 well-known race of that species. 



Tragosoma harrisU is T. depsarium Linn, as shown by ample 

 comparisons (see Can. Ent. xxiv, 296), Recently jNIr. Klages com- 

 ])ared examples taken in the higher mountains of Colorado with his 

 European and finds them identical, but varying much from the 

 Pennsylvania form. 



Tragosoma spiculum (lasey, 1890, An. N. Y. Acad. Sci. v, 492. 



This is described from an extreme individual variation of depsa- 

 rium with whi(;h it mu.'^t be united. 



TragOMOiiia |»ilosi<*oriiis Casey, 1890, 1. c. p. 492. 

 Length 24. G mm. = .98 incli. Hahitat. — ? California. 



Separated, according to Mr. Casey, from depsarium by its rather 



