204 



THE CANADIAN ENTOMOLOGIST. 



Mus musculits — 



Ctenopsyllus musculi (Duges), 

 Loemopsylla cheopis, Roth. 

 Ceratophyllus fasciatus, Bosc. 



Wagner. 



Mm rattus — 



Ctenopsyllus musculi (Duges), Wagner. 

 Loemopsylla cheopis, Roth. 

 Ceratophyllus fasciatus, Hose. 

 Pulex irritans, Linn. 

 Ctenocephalus canis (Curtis), Baker. 

 Ceratophyllus Londoniensis, Roth. 



Mm Norvegicus — 



Ceratophyllus fasciatus, Bosc. 

 Loemopsylla cheopis, Roth. 

 Pulex irritans, Linn. 



Ctenopsyllus musculi (Duges), Wagner. 

 Ctenocephalus canis (Curtis), Baker. 

 Ctenocephalus felis, Roth. 

 < Yratophyllus acutus, Baker. 

 Ceratophyllus niger, Fox. 

 Ceratophyllus anisus, Roth. 

 Hoplopsyllus anomalus, Baker. 



Citellus Beecheyi- - 



( Yratophyllus acutus, Baker. 

 Hoplopsyllus anomalus, Baker. 



Mr. C. T. Brues, Curator of Invertebrate Zoology in the Public 

 Museum of Milwaukee, has been appointed Instructor in Economic Ento- 

 mology at Harvard University under Professor Wheeler ; after Sept. ist 

 his address will be Bussey Institution, Forest Hills, Boston, Mass. 



CORRIGENDA. 



Page 157, lines 11 and 5 from the bottom, and page 158, lines 2, 9, 

 1 6 and 2 1 from the top, for Solidago ceasia read Solidago aesia. 



Page 158, line iS from the top, for Pcedisca ceasiella read Padisca 

 apsiella. 



Page 159. line 12 from the bottom, for "destructive" read "descriptive." 



Mailed June 4th, 1909. 



