^ i:>|-.i. REVISION OF AMKIIICAN SIPITONAl'TKRA—BAKER. 441 



CERATOPHYLLUS CHARLOTTENSIS Baker. 



1898. IIakki;, Jourii. N. Y. Eut. Soc, \'I, p. afi. {I'ule.c churloUensiii.) 



Host; "A iiiousc." 



Ilahltat: Qiuhmi (liailottt^ Lslands. 



CERATOPHYLLUS CILIATUS Baker. 

 li)0:>. R.VKER, see p. 397. 



Host : E\itcun las. 



JIahltat: Mountain View, ('alifornia. 



CERATOPHYLLUS COLORADENSIS (Baker) Wagner. 



1895. Bakkk, Cknad. Kut., XXVII, p. HI. {l\d,'x ciMmulemis.) 



Host: Sodrus freinonti. 

 UnVitiii : Colorado. 



CERATOPHYLLUS COLUMB.^ (Walckener and Gervais) Rothschild. 



1832. Stephens, in Curtis' Brit. Ent., IX, no. 417. {Nomen nudum.) 



1844. Walckener and Gervais, Hist. Nat. Ins. Ai)teres., ITT, p. 375, pi. maiii, 



fig. 7. [Pulex columhx.) 



1856. Walker, Diptera Brit., TIT, p. 5. {Pulex columbx.) 



1858. ]\lArrLANn, Herklots Bouwstoffen, p. 311. (Pulex culunib.x.) 



1874. liiTSEMA, Regens. Corresp., XXVTIT, p. 79. (Pulex columbx.) 



1880. Ritsema, Zeitschr. f. ges. Naturwiss., LIII, p. 183. (Pulex cobnabx.) 



1892. Theobald, An Account of British Flies, I, p. 540. (Pulex columbx.) 



1900. Rothschild, Novitates Zoological, VIT, p. 542. 



Host: Coluinha lima. 

 Habitat: Europe. 



CERATOPHYLLUS CONSIMILIS Wagner. 



1898. Wagner, Hon« Soc. Ent. Ross., XXXI, p. 562, i)l. viii, rig. 11. Host, 

 "Jrn'co^a." 



Host: Mlcrotus. 



Habitat: Gouv. Charkow, Russia. 



CERATOPHYLLUS DENTATUS Baker. 



1903. Baker, see p. 390. 



Host: Lynx canadensis. 

 Habitat: Moscow, Idaho. 



CERATOPHYLLUS DIVISUS Baker. 



1895. Baker, Canad. Ent., XX Nil, p. 132. (Pulex longi»pinm.) 

 1898. Baker, Joarn. N. Y. Ent. Soc, VI, j). 54. (Pulex dinms.) 



Host: Scninis frenuniti. 

 Habitat: Colorado. 



