268 Palmer — Generic and Family Names of Rodents. 



Rukaia Gray, 1867 Sciurus macrourus, S. bicolor, S. ephip- 



piura. 

 Sciuropterus F. Cuvier, 1825. . Sciurus volans. 

 Sciurus Limifous, 1758 Sciurus vulgaris, S. niger, S. cinereus, 



S. flavus, S. getulus, S. striatus, S. 



volans. 

 Spermophilopsis Blasius, 1884. Spermophilus leptodactylus. 

 Spermophilus F. Cuvier, 1825. Mus cilillus. 

 Spermosciurus Le.sson, 1836. . . Includes 12 species, mostly from 



Africa. 



Stereodectes Cope, 1869 Stereodectes tortus. 



Tamias Illiger, 1811 Sciurus striatus. 



Tamiasciurus Trouessart, 1880. Sciurus hudsonicus. 



Tenotis Rafinesque, 1817 Tenotis griseus (= Sciurus erithopus). 



Xeiospermophilus Merriam, 1892. Spermophilus mohavensis. 



* Xerus Hemprich & Ehrenberg, Xerus brachyotus (and X. syria- 



1832. cus?). 



SPALACIDiE.i 



t Aspalacidae Gray, Thomson's Ann. Philos., XXVI, p. 342, Nov., 1825. 

 Aspalomyina Waterhouse, Ann. & Mag. Nat. Hist., X, p. 203, 1842. 

 Rhizomyinae Thomas, Proc. Zool. Soc. London, 1896, p. 1021 (1897). 

 Spalacidae Gray, London Med. Repository, XV, p. 303, April 1, 1821. 



Name, authority, and date. Type or included species. 



Aspalax Desmarest, 1804 Mus typhlus. 



* Aspalomys Laxmann (?) 



Chrysomys Gray, 1843 Bathyergus splendens. 



NyctocleptesTemmiuck, 1832. Nyctocleptes dekan (=Mus suma- 



trensis). 

 Ommatostergus Nordmann, 1840. Ommatostergus pallasii. 



Rhizomys Gray, 1831 Rhizomys sinensis, R. sumatrensis. 



Spalax Giildenstridt, 1770 Spalax microi)htlialinus (^S. typhlus 



Fall., 1778). 

 Tachyoryctes Riippell, 1835. . . Bathyergus splendens. 



* Talpoides Lacepede, 1799 Mus typhlus. 



lypJdodon Fn\coner,li^GS Nomen nudum {Rhizoimjs sivalensis 



Lydekker, 1878?) 



THERIDOMYIDiE. 



Theridomyidx Alston, Proc. Zool. Soc. London, 1876, pp. 70, 88. 

 Trechomymx Trouessart, Cat. Mamm. tam viv. quam foss, p. 392, 1897. 



* Chrysomys, Nyctocleptes, Rhizomys, Tachyoryctes and Typhlodon I 

 belong to the Rhizomyinfe; Aspalax, Aspalomys, Ommatostergus, Tal- 

 poides, and Spalax to the Spalacinte. 



