SPAEACID^. 233 



&rbicola glareoluS (Schreber 1 ). 

 Syn. Mus glareolus, Schreber 2 . 

 Arvicola pratensis, Baillon 3 . 

 Arvicola riparia, Yarrell 4 . 



Four outer and five inner angles in the first lower molar ; tbree 

 outer and two inner angles in the second upper molar; molars 

 rooted in adult. 

 Hob. Europe. 



48924-5. Numerous specimens of the cranium and mandible ; 

 from Brixham Cave, near Torquay. 



Brixham-Cave Collection. Presented, 1876. 



15095. Anterior portion of the cranium, and the left ramus of the 



(Fig.) mandible ; from Kent's-Hole Cavern, Torquay. These 



specimens are figured by Owen in the Brit. Foss. Mammals 



and Birds, p. 208, fig. 78, under the name of Arvicola 



pratensis. McEnery Collection. Purchased, 1842. 



Arvicola, sp. 



Hab. Europe. 



48190. Fragments of the cranium and mandible ; from the Middle 

 Miocene of Steinheim, Bavaria. These specimens indicate 

 an animal of the size of A. glareolus, and having the same 

 number of angles in the first lower molar ; but they are 

 probably insufficient for specific determination. No species 

 of the genus is mentioned by Fraas in the 'Fauna von 

 Steinheim ' (1870). Purchased, 1877. 



Family SPALACID^B. 

 Genus RHIZOMYS, Gray 5 . 

 Dentition: 1. J, C. , Pm. , M. f. 



Rhizomys sivalensis, Lydekker". 

 Syn. (?} TypModon, Falconer 7 . 

 Hob. India. 



15925. Part of the right ramus of the mandible, containing the 

 three molars; from the Pliocene of the Siwalik Hills, 



1 Saugeth. TO!, iii. p. 680 (1774), Mus. 2 Loc. tit. 



3 In R CuTier'8 Hist. Nat. Mamm. vol. iv. pt. kviii. p. 2 (1834). 



4 Proc. Zool. Soc. 1832, p. 109. 5 Proc. Zool. Soc. 1831, p. 95. 



6 Kec. Geol. Surv. Ind. vol. xi. p. 101 (1878). 



7 Falconer's Palseontological Memoirs, vol. i. p. 23 (1868). 



