32 Mamm. 
II. MAMMALIA. 
allied to N.fuscipes ; while the latter presents the external characters 
of the bushy-tailed forms ( Teonoma), with the cranial characters of 
the round-tailed species ( Neotoma proper). 
Neotoma macrotis , p. 234, California, N. lepida , p. 235, n. spp., Thomas, 
Ann. Nat. Hist. (6) xii. 
• Ichthyomys stolzmanni ) n. g. & sp., Thomas, Nat. Sci. ii, p. 286, P. Zool. 
Soo. London, 1833, p. 337, pis. xxviii & xxix, Central Peru. An 
apparently fish-eating, rat-like Murine, with webbed and fringed hind 
feet. 
Arvicola ( Mynomes ) aztecus , n. sp., J. A. Allen, Bull. Amer. Mus. v, 
p. 73, New Mexico. 
Arvicola guentheri , Harting (supra, p. 9) records that this is the com- 
mon Yole in Thessaly. 
Synaptomys stonei , n. sp., Rhoads, Amer. Natural, xxvii, p. 53, New 
Jersey. 
Evotomys gapperi rhoadsi, n. var., Stone, t. c. pp. 54-56, New Jersey. 
Mus gilvus (p. 100), trizonus (p. 103), spicilegus (p. 114), arundinaceus 
(p. 142), n. spp., Petenyi, in work by Ciiyzer, cited on p. 6. 
Mus ( Isomys ) rufocanus , n. sp., Tullberg, Acta Soc. Upsal. iii, p. 23, 
Cameruns. 
Mus tana , n. sp., True, P. U. S. Mus. xvi, p. 602, Tana river, W. Africa. 
Mus margarettce, n. var. pusillus, Thomas, Ann. Nat. Hist. (6) xii, p. 232, 
N. Borneo. 
Mus poschiavinusy a variety of M. musculus , see Davatz, supra , p. 7. 
e. SPALACIDiE. 
Heterocephalus : its anatomy, see Parona& Cattaneo, supra , p. 17. 
/. GEOMYIDiE. 
Geomys cherriei , n. sp., J. A. Allen, Bull. Amer. Mus. v, p. 337, Costa 
Rica. 
Geomys grandis, p. 270, Guatemala, G. merriami, p. 271, Mexico, n. spp., 
Thomas, Ann. Nat. Hist. (6) xii. 
Thomomys monticolus , p. 48, California, T. aureus , p. 49, Utah, T./ossor, 
p. 51, Colorado, T. toltecus , p. 52, Mexico, n. spp., J. A. Allen, Bull. 
Amer. Mus. v. 
Thomomys orizabce , p. 145, T. peregrinus , p. 146, n. spp., Merriam, P. 
Biol. Soc. Washington, viii, Mexico. 
Heteromys hulleri , xi, p. 330, Julisco, Mexico, II. salvini } p. 331, Guate- 
mala, H. pictus , xii, p. 233, Julisco, n. spp., Thomas, Ann. Nat. Hist. 
(6). 
Heteromys. salvini, n. var. nigrescens , Thomas, Ann. Nat. Hist. (6) xii, 
p. 234, Costa Rica. 
Eipodomys merriami } n. var. melanurus , Merriam, P. Calif. Ac. (2) iii, 
pp. 345 & 346, Lower California. 
