268 Palmer — Generic and Family Names of Rodents. 



Rukaia Gray, 1867 Scinrus macroums, S. bicolor, S. ephip- 



pium. 

 Sciuropterus F. Cuvier, 1825. . S(diiriis volans. 

 Sciurus Liim£eiis, 1758 Sciurns vulgaris, S. niger, S. cinereus, 



S. flavus, S. getulus, S. striatiis, S. 



volans. 

 Spermophilopsis Blasius, 1884. Spermophilus leptodactylus. 

 Spermophilus F. Cuvier, 1825. Mus citillus. 

 Spermosciurus Lesson, 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). 



Xerospermophilus Merriam, 1892. Spermophilus mohavensis. 



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



1832. cus?). 



SPALACID-ai.i 



X Aspalacidae Gray, Thomson's Ann. Philos., XXVI, p. 342, Nov., 1825. 

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

 Rhizotnyinae 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. 



Nyctocleptes Temminck, 1832. Nyctocleptes dekan (=Mus suma- 



trensis). 

 Ommatostergus Nordmann, 1840. Ommatostergus pallasii. 



Rhizomys Gray, 1831 Rhizomys sinensis, R. sumatrensis. 



Spalax Giildenstildt, 1770 Spalax microphthalmus (=S. typhlus 



Pall., 1778). 

 Tachyoryctes Riippell, 1835. . . Bathyergus splendens. 



^ Talpoides Lacepede, 1799 Mus typhlus. 



lyphlodon FBXconer, 1868 Nomen nudum {Rhizomys sivalensis 



Lydekker, 1878?) 



THERIDOMYIDiE. 



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

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



^Chrysomys, Nyctocleptes, Rhizomys, Tachyoryctes and Typhlodon 

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

 poides, and Spalax to the Spalacinse. 



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