198 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



Muridae of Uncertain Position 



"Einer kleinen ratte mit sehr dicken, stachelartigen Haaren." 

 Polyplax miacantha Speiser (Salomona, Abyssinia). 



"Gros Rats." 



Polyplax ? praecisa Neumann (Abyssinia). 



Family Dipodidje 

 Dipus sp. 



Eulinognathus aculeatus (Neum.) (Tunis). 



Family Pedetid^e 

 Pedetes caffer. 



Eulinognathus denticulatus Cumm. (South Africa) 



Family Octodontid^e 



Thryonomys s winder ianus (Aulacodus swinderianus). 



Scipio aulacodi (Neum.) (Dahomey; Luangwa Valley, 

 Northeastern Rhodesia, Africa). 

 Thryonomys sp. 



Scipio aulacodi (Neum.) (Mfongosi, Zululand, South Af- 

 rica). 

 Scipio breviceps Ferris (Mfongosi, Zululand, South Af- 

 rica). 



Family Chinchillid^e 



Lagidium peruanum. 



Haemodipsus ? parvus Kellogg & Ferris (Peru, South 

 America). 



Order TUBULIDENTATA 



Family Orycteropodid^e 



Orycteropus afer. 



Hobophthirus notophallus (Neum.) (South Africa). 



