1066 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 
1855.—Dareste, C. Note sur le cerveau des rongenrs et particulitrement sur le cerveau du Cabiai. 
< Ann. Sei. Nat. ii (Zool.), 1855, pp. 355-365; Comptes Rendus, Paris, xli, 1855, pp. 199-201. 
Dehne, A. Museulus (Raf. Schmalz.) mollissimus Debne. < Allg. deutsche naturhist. Zeit. 
n. F. i, 1855, p. 443. i 
Dehne, A. Zu Micromys agilis. < Allg. deutsche naturhist. Zeit. n. F. i, 1855, p. 237; Nach- 
schrift von L. Reichenbach, ibid. i, 1855, p. 242. [See 1857, same author. ] 
Giebel, C.G. Zur Osteologie der Stachelschweine [Hystricidx]. < Zeitschr. gesammt. Naturw. 
Halle, vy, 1855, pp. 306-316. 
Oudet, J. BE. Considérations anatomiques et physiologiques sur les dents & couronne divisée, 
et plus particuligrement sur les molaires du liévre et du Japin. < Compt. Rend. Acad. Sci. 
Paris, 1855, pp. 266, 267 ; Institut, xxiii, no. 1129, 1855, p. 286.. ‘ 
Reichert, C. B. Ueber Structur, Textur, Bildung und Wachsthum der Haare. < Zeitschr. 
klin. Med. Giinsburg, vi, 1855, pp. 1-13. 
Winsor, F. Pteromys volucella. < Proc, Essex Inst. i, 1855, p. 147. 
1856.—Brandt, J. F. Bemerkungen iiber die Gattungen Gerbillus, Meriones, Rhiombomys und Psam- 
momys. < Bull. Acad. Sei. St. Pétersb. xiv, 1856, col. 76-80. 
Wheatland, H. [Anatomy of rabbit.] < Proce. Essex Inst. i, 1856, pp. 240, 241. 
1857.—Baird, S. F. [Name Tamias pallasii proposed for Sciurus striatus Pall. nec Linn.] <11th Ann. 
Rep. Smiths. Inst. for 1856, 1857, p. 55. 
[Billings, E.] On the Canada poreupine (Hystrix dorsata). [anon.] < Can. Nat. and Geol. i, 
1857, art. lii, pp. 364-369. 
[Billings, E.] On the northern hare (Lepus americanus). [anon.] < Can. Nat. and Geol. i, 
1857, art. lili, pp. 369-379. 
[Billings, E.] On the several species of squirrels inhabiting the British provinces. [anon.] 
<Can. Nat. and Geol. i, 1857, art. lvii, pp. 431-434. 
[Billings, B.] On the wood-chuck (Aretomys monax). [anon.] < Can. Nat. and Geol. ii, 1857, 
art. xiii, pp. 112-116. 
Dehne, A. Micromysagilism. < Allg. deutsche naturhist. Zeit. n. F. iii, 1857, pp. 35, 36. 
Storer, H.R. [On an albino Sciurus striatus.] < Proc. Boston Soc. Nat. Hist. vi, 1857, p. 218. 
Radde, G. Ueber Arctomys bobac, dessen Winterschlaf und Temperatur seiner Baue. < Bull. 
Phys. Math. Acad. St. Pétersb. xv, 1857, pp. 317,318; Mélang. Biolog. ii, 6, 1858, pp. 572-974. 
1858.—Giebel, C. G. Ueber einige Hasenscbiidel [Lepus timidus]. < Zeitschr. gesammt. Naturw. 
Halle, xii, 1858, pp. 310-315. ’ 
Valentin, G. On the torpidity of the marmot. < Ann. Nat. Hist. 3d ser. ii, 1858, p. 83. 
1859.—Giebel, C. G. Zur Osteologie der Flugkiitzchen (Pteromys). < Zeitschr. gesammt. Naturw 
Halle, xiii, 1859, pp. 309-318. 
Giebel, C. G. Zur Osteologie der Murmelthiere_[Arctomys 
Naturw. Halle, xiii, 1859, pp. 299-309. 
1860.—Baird, S.F. [Capture of Lagomys princeps in the Wahsatch Mountains.] < Ann. Rep. Smiths. 
Inst. for 1859, 1860, p. 65. 
Giebel, C.G. Beitriige zur Osteologie der Nagethiere. <Abh. Nat. Ver. Halle, i, 1860, pp. 
263-332. 
]. <Zeitschr. gesammt. 
Wyman, J. [On fossil Capybara from the southwest frontier of the United States.] < Proc. 
Boston Soc. Nat. Hist. vii, 1860, p. 350. > ‘ 
1861.—Crisp, E. On some points relating to the habits and anatomy of the oceanic and of the fresh- 
water ducks, and also of the hare (Lepus timidus) and of the rabbit (L. cuniculus), in relation 
to the question of hybridism. < Proc. Zool. Soc. London, 1861, pp. 82-87. 
Slack, J.H. Description of a new species of rodent of the genus Spermophilus, from Texas [S. 
buckleyi]. < Proc. Acad. Nat. Sci. Phila. 1861, p. 314. 
1863.—Hollard, —. [On the rodent placenta.] < Ann. Sci. Nat. xix, 1863, p. 223, pl. 1. 
Kennicott, R. Descriptions of four new species of Spermophilus in the collections of the 
Smithsonian Institution. < Proc. Acad. Nat. Sci. Phila. 1863, pp. 157, 158. 
[SS. mollis, elegans, armatus, obsoletus.) é 
Lord, J. K. Notes on two new species of mammals[Fiber osoyoosenis and Lagomys minimus]. 
< Proe. Zool. Soc. London, 1863, pp. 95-98. 
