Oct., '08] ENTOMOLOGICAL NEWS. 381 



FAMILIES. 



A. Rhynchoprionidae (head not strongly angulated anteriorly and 

 thoracic segments not strongly shortened and constricted B.) 



B. Pulicidae. (Spines on posterior tibia in pairs C). 



C. Ctenopsyllidae. 



A. RHYNCHOPRIONIDJE. 



i. Argopsylla gallinacea (Westwood) Enderlein. 



1875. Westwood Ento. Mo. Mag. 31-246 (Sarcopsylla gallinaceus). 



1901. Enderlein Zool Jahrb. Abth. f. syst. XIV-552 (Sarcopsylla gal- 

 linacea). 



1904, Baker. Proc. U. S. Nat. Mus. XXVII-375 (Xestopsylla gal- 

 linacea). 



On poultry and farm animals, occasionally man. 



B. PDLICID. 



1. Anomiopsyllus californicus Baker (Hind coxal epiphysis narrow- 

 ing into coxae with a poorly defined notch or none 2) 1904 Baker, 

 Invert Pacif. i, 39. 



1906. Baker Proc. U. S. Nat. Mus. XXIX, 140. 

 On the skunk Spilogale phenax. 



2. Pulex irritans Linn. (Pronotum with ctenidia 4, or ocular bristle 

 near upper border of eye 3). 



1746. Linnaeus Faun Suec. 1695. '04 Baker, Proc. U. S. Nat. Mus. 

 XXVII, 379- 



('07. Mitzmain. Bull. Cal. State Board Health III, No. 5 p. 39). 

 The human flea found on man, poultry and rats. 



3. P. cheopis. Roth., '03. Rothschild Ent. Mo. Mag. XIV, 85, Pal- 

 lidus '07, Mitzmain Bull. Cal. State Board Health. Ill, 39. 



Oriental rat flea on rats and occasionally other animals including 

 man. The most important agent in the transmission of plague. 



4. Ctenocephalus canis. Curt, (head without ctenidia 5) '04 Baker. 

 Proc. U. S. Nat. Mus. XXVII, 384. '07 Mitzmain Bull. Cal. State 

 Board Health. Ill, 39. Pulex 1826 Curtis, Brit. Ent. Ill, 8. The cat 

 and dog flea. On man, domestic animals, and the brown rat. 



5. Hoplopsyllus anomalus. Baker (Pronotal ctenidia with more than 

 nine spines 6) '06. Baker Proc. U. S. Nat. Mus. XXIX, 130- 14.1. 

 Pulex '04. Baker Proc. U. S. Mus. Nat. Mus. XXVII, 381. On Cal- 

 ifornia ground squirrel. Citellus beecheyi. 



6. Ceratophyllus acutus. Baker (Apical spur of second joint of hind 

 tarsi scarcely or not exceeding third 8. Eyes vestigial, second genal 



**row with five bristles 7). 



'04. Baker Invert. Pacifica 1-40. 



'06. Baker Proc. U. S. Nat. Mus. XXIX, 135, 146. 



