458 PROCEEDINOS OF THE NATIONAL MUSEUM. vol. xxvii. 



Order GLIRES. 



Family LEPORID^. 



Lepus cuniculus Pulex leporis ( Leach ) Baker. 



Lepus floridanus sub sp Ceraiophyllus muUispinosus Baker. 



Pulex inaequalis Baker. 



Pulex simplex Baker. 



Lepus " glacialis" Pulex glacialis Taschenberg. 



Lepus timidus Ctenocephalus canis ( Curtis ) Baker. 



Pulex leporis (Leach) Baker. 

 Lepus sp Pulex affinis Baker. 



Family OCHOTONID^E (Lagomyidse). 



Ochotona rutilus Ceratophyllus lagomys Wagner. 



Ochotona sp.? Cer^ophyllus suharmatus Wagner. 



Ctenopldhalmus altaica (Wagner) Baker. 



Family DIPODID^E. 



Alactaga jaculus Pulex jaculans Motschulsky. 



Family GEOMYID^. 



Geomys bursarius Ceratophyllus ignotufi (Baker) Wagner. 



Thomomys talpoides Ceratophyllus ignot us (Baker) Wagner. 



Family SPALACID^l 



Bathyergus inaritimus Ctenophthahnus ingens (Rothschild) Baker. 



Spalax sp Ctenopldhalmus sibirica (Wagner) Baker. 



Spalax sp Ctenophthalmus typhi us (Motschulsky) Baker. 



Family MURID.^. 



Cricetus cricetus Ceratophyllus fasclatus (Bosc) Curtis. 



Evotomys gapperi Hystrichopsylla americana Baker. 



Evotomys hercynicus Ctenophthahnus xgyrtes (Heller) Baker. 



CtenopsyUus spectahilis (Rothschild) Baker. 



Hystrichopsylla talpse (Curtis) Rothschild. 



" Hesperomys " sp Stephanocircus mars Rothschild. 



Lemmus sp Pulex lemnius Motschulsky. 



Microtus amphibius Ctenophthalmus agyrtes (Heller) Baker. 



Microtus arvalis Ctenophthahnus assunilis (Taschenberg) Baker. 



Hystrichopsylla talpx (Curtis) Rothschild. 



Microtus californicus Ceratophyllus calif ornicus Baker. 



Microtus oeconomus CtenopsyUus pectiniceps Wagner. 



Microtus sp Ceratophyllus consimilis Wagner. 



Mus agrarius CtenopsyUus musculi (Duges) Wagner. 



Mus albipes Pulex pallidus Taschenberg. 



Mus musculus Ceratophyllus fasci at us (Bosc) Curtis. 



CtenopsyUus musculi (Duges) Wagner. 



CtenopsyUus taschenbergi Wagner. 

 Mus norvegicus Ceratophyllus fasciatuK ( Bosc) Curtis. 



Ctenophthalmus hidentatiformis (Wagner) Baker. 



CtenopsyUus musculi (Duges) Wagner. 



Pulex brasiliensis Baker. 



