242 GEO. H. HORN, M. D. 



P. gracilicornis n. sp. 



P. umbrinus Grav. Micr. p. 169 ; Erichs. Staph, p. 464. 



moestus Grav. Mon. p. 47 ; Nordm. Symbol, p. 97. 



boletarius Zimra. mss. 

 P. flavolimbatus Erichs. Staph, p. 471. 

 P. palliatus Grav. Mon. p. 53 ; Erichs. Staph, p. 474. 



diapersus Fauv. mss. 

 P. pubes 11. sp. {idevi Fv. mss.) 

 P. grandicollis n. sp. {idem Fv. mss.) 

 P. puberulus n. sp. {idem Fv. mss.) 

 P. quadricollis n. sp. 

 P. Theveneti n. sp. {idem Fv. mss.) 

 P. debilis Grav. Micr. p. 35 ; Erichs. Staph, p. 472. 

 P. var^ans Payk. Mon. Staph, p. 45 ; Erichs. Staph, p. 470. 



agilis Grav. Mon. p. 77. 



niger Mels. Proc. Acad. 1844, p. 38. 

 P. longicornis Steph. 111. Brit. Ent. v. p. 237 ; Fauvel, Faune Gall. Rhen. ii. 

 p. 480. 



scybalarius Nordm. Symbol, p. 94. 



promptua Erichs. Staph, p. 929. 

 P. discoideus Grav. Micr. p. 38; Erichs. Staph. )». 474. 



raficornis Mels. Proc. Acad. 1844, p. 38. 

 P. thermarum Anbe Ann. Ent. Soc. Fr. 1850, p. 316: Fauvel Faune Gall. Rhen 

 iii,p. 470. 



€ 



P. alumnus Erichs. Staph, p. 490. 



rufulus Fv. mss. 



atriceps Fv. mss. (in cab. Horn.) 

 P. innocuus n. sp. 



P. thoracicus Grav. Micr. p. 170 ; Erichs. Staph, p. 481. 

 P. fusiformis Mels. Proc. Acad. 1844, p. 38. 

 P. fulvipes Fab. Ent. Syst. i, 2, p. 526 ; Erichs. Staph, p. 485. 



Horni Fv. mss. 

 P. occidentalis n. sp. 

 P. Scbwarzi n. sp. 

 P. hudsonicus n. sp. 

 P. Pettiti n. sp. {idem Fv. mss.) 

 P. triangulum n. sp. {idem Fv. mss.) 

 P. ferreipennis n. sp. {idem Fv. mss.) 

 P. caurinus n. sp. 

 P. Crotchi n. sp. {idem Fv. mss.) 

 P. arizonensis n. sp. 



P. micans Grav. Micr. p. 25 ; Erichs. Staph, p. 484. 

 P. lomatus Erichs. Staph, p. 482. 



qeorgianus Sachse Stett. Zeit. 1852, p. 143. 



viperiims Fv. mss. 

 P. cunctans n. sp. 

 P. qualis n. sp. 



