Vol. VI] FERRIS— AN OP LUR A 195 



Epimys rattus (Mus rattus). 



Polyplax spinulosa (Burm.) (Cosmopolitan). 

 Hoplopleura bidentata (Neum.) (Lake Torrens, Austra- 

 lia). 

 Epimys rattus alexandrinus (Mus alexandrinus). 



Polyplax spinulosa (Burm.). 

 Epimys surifer. 



Polyplax pectinata Cumm. (Biserat, Jalor, Malay Penin- 

 sula). 

 Acomys caharinus. 



Polyplax brachyrrhynchus Cumm. (Assiut, Egypt). 

 Polyplax oxyrrhynchus Cumm. (Assiut, Egypt). 

 Arvicanthis dorsalis. 



Hoplopleura enormis K. & F. (Mfongosi, Zululand, South 

 Africa). 

 Dasymys incomtus Ferris. 



Polyplax cummingsi Ferris (Mfongosi, Zululand, South 

 Africa). 

 Saccostomus campestris. 



Polyplax jonesi K. & F. (Mfongosi, Zululand, South Af- 

 rica). 



Subfamily Gerbtllin^: 

 Gerbillus indicus. 



Polyplax stephensi (Christ. & News.) (India). 

 Meriones sp. 



Polyplax ? clavicornis (Nitzsch) (Abyssinia). 

 Pachyuromys duprasi. 



Polyplax werneri (Glink.) (Natrontal, Egypt). 



Subfamily Otomyin^e 



Otomys brantsi luteolus. 



Polyplax otomydis Cumm. (South African Museum, Cape 

 Town). 

 Otomys irroratus. 



Polyplax otomydis Cumm. (Mfongosi, Zululand, South 

 Africa). 

 Otomys irroratus tropicalis. 



Polyplax otomydis Cumm. (Mt. Kenya, British East Af- 

 rica). 



