NOHTII AMERICAN COLKOl'TERA. L'4 1 



One species of Actobius ( sevii/)iin(fatHS ) occurs in the Rocky Moun- 

 tain Region and (^hili. 



The Atldtitic Region inchides the entire country east of the .Missis- 

 sippi River, including/ Texas. 



The Pacific Region is all that portion of the continent bordering the 

 Pacific Ocean west of the Sieras. 



The Canadian Region all the country north of the St. Lawrence and 

 the Lakes. 3Liny of the species found here cross the continent. 



The Rocky Mountain Region includes Colorado, western Kansas. 

 New Mexico and Utah. 



The Arizona Region is limited to that territory. 



While these divisions are somewhat arbitrary, they give some idea of 

 the manner of distribution of our species. 



Synonymy and Bibliography. 

 PHILONTHUS Curtis. 



P. aeneus Rossi Faun. Etr. 1, p. 249; Erichs. Staph, p. 437. 



politu.f Kby. Fauna Am. Bor. p. 91. 



mandibulari.i Kby. loc. cit. p. 92. 



Harrini Mels. Proc. Acad. 1H44, p. 35. " 

 P. furvtts Nord. Symb. p. 88 : Erichs. Staph, p. 4H4. 



californicus Mann. Bull. Mosc. 1843. ii, p. 230. 



comptus Hald. Stansb. Exp. p. 375. 

 P. sericinus n. sp. (idem Fauv. mss.) 

 P. nitesoens n. sp. {idem Fauv. mss.) 

 P. alutaceus n. sp. (idem Fauv. mss. i 

 P. perversus n. sji. 



P. buoephalus n. sp. {idem Fauv. mss.) - 

 P. umbratilis Grav. Micr. p. 170 ; Erichs. Staph, p. 445. 



P. laetulus .Say Trans. Am. Phil. 8oc. iv. p. 450 ; Mels. Proc. Acad. 1844, p. 3(5. 

 P. gentilis n. sp. 

 P. asper n. sp. 



P. politus Fab. Syst. Ent. p. '2&(\ ; Erichs. Staph, p. 443. 

 P. irinus n. sp. 



P. atratus txrav. Micr. 21, 23 : Erichs. Staph, p. 439. 

 P. semiruber n. sp. {ide^n Fv. mss.) 

 P. basalis n. sp. 

 P. cautus Erichs. Staph, p. 44(i. 

 P. hepaticus Erichs. Staph, p. 451. 



.' varicolor Boh. Eugen. Resa 18;)N, p. 29. 



THANS. AMER. KNT. SOC. XI. (01) AIGOST, 1884. 



