rodentiA. 
Mamm. 31 
the affinities of the animals than upon their habits and mode of life. 
The muscles which seemed most characteristic of the two principal 
sections are the masseter, the long flexors of the foot, the sterno- 
scapular, and the digastric. Three genera of the Dipodidcc had 
been examined, and were found to resemble the Hystricomorpha in 
many respects, while in others they approached the Sciuromorphine 
type. 
1. AN0MALURIDJ5. 
Anomalurus : its habits ; Adams, P. Zool. Soc. London, 1894, pp. 243-246. 
Idiurus zenlceri, n. g. & sp., Matsciiie, SB. Ges. naturf. Berlin, 1894, 
pp. 194-197, fig., Cameroons. 
2. SciURiDiE. 
Sciurus styani, n. sp., Thomas, Ann. Nat. Hist. (6) xiii, p. 363, Kiang-su, 
China. 
Sciurus bicolor bunguranensis , n. subsp., Thomas & Hartert, Nov. Zool. 
i, p. 658, Natuna Is. 
Sciurus aberti concolor, n. var., True, P. U. S. Mus. xvii, p. 241, Colorado. 
Sciurus hudsonicus dahotensis , p. 324, Dakota, h. grakamensis t p. 350, 
Arizona, S. arizonensis huachuca , p. 349, Huachuca Mts., n. subspp., 
Allen, Bull. Amer. Mus. vi. 
3. Castoridas. 
Castor fiber , its occurrence in Norway ; Olsen, supra , p. 15. 
4. Myoxidas. 
Myoxus avellanarius, its hibernation ; Albini, supra , p. 2. 
5. Murids. 
Umbilical cord, &c. ; Ravn, supra , p. 17. 
Phlceomys pallidus , note on ; Nehring, SB. Ges. naturf. Berlin, 1894, 
p. 179. 
Cricctus nigricans , n. var. raddei ; Nehring, Zool. Anz. 1894, p. 147, 
Daghestan. For distribution of C. vulgaris , see Nehring, supra , 
p. 14. 
Oryzomys palustris texe?isis } n. subsp., Allen, Bull. Amer. Mus. vi, 
p. 177, Texas. 
Oryzomys halinowshii , p. 349, Peru, mei'idensis, p. 351, Venezuela, jlavi- 
cans , p. 351, Venezuela, ferrugineus , p. 352, Rio, xanthceolus , p. 354, 
Peru, phceopus, p. 355, Ecuador, phceopus obscurior , p. 356, Colombia, 
stolzmanni , p. 357, Peru, gracilis , p. 358, Colombia, microtinus , p. 358, 
Surinam, venustus, p. 359, Cordova, n. spp., Thomas, Ann. Nat. Hist. 
(6) xiv. 
