1064 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 
1832.—Geoffroy St.-Hilaire, I. Essai sur le genre Sciurus et description de six nouvelles esptces. 
< Guérin-Méné. Mag. de Zool. 2e année, 1832, pp. —, pll. 3. 
Geoffroy St.-Hilaire, I. Remarques sur les principaux caractéres des espéces du genre litvre, 
considérés dans leurs rapports avec les circonstances locales; suivies de la description de trois 
nouvelles especes. < Guérin-Méné. Mag. de Zool. 2e année, 1832, pp. —, pll. 2. 
1833.—Geoffroy St.-Hilaire, BE. Mémoire sur les dents antérieures des mammiféres rongeurs dans 
lequel on se propose d’établer que ces dents, dites jusquw’ici et déterminées incisives, scnt des 
analogues des dents canines. < Mém. Acad. Sci. Paris, xii, 1833, pp. 181-222. 
Lukis, F.C. On the extraordinary growth of the incisor teeth occasionally met with in the 
wild rabbit. < Loudon’s Mag. Nat. Hist. vi, 1853, pp. 21-25 (see also ibid. p. 390). 
1835.—Brandt, J. F. Bemerkungen iiber die Differenzen im Schiidel- und Zahnbau zwischen den 
Stachelschweinen [Hystricid] der alten und neuen Welt. < Miiller, Archiv, 1835,pp, 548-553. 
Brandt, J. F. Mammalium rodentium exoticorum noyorum vel minus rite cognitorum Mus. 
Acad. Zool. descriptiones et icones. < Mém. Acad. Sci. St. Pétersb. iii, pte. ii, 1835, pp. 857-442. 
1836.—Cuvier, F. Observations sur les genres gerboises et gerbilles. < Comptes Rendus, Paris, iii, 
1836, pp. 211-214; Ann. Sci. Nat. vi (Zool.), 1836, pp. 152-155; Zool. Soc. Trans. ii, 1842, pp. 131- 
148; Isis von Oken, 1838, pp. 838-842. 
1837.—Bachman, J. Description of a new species of hare [Lepus palustris] found in South Caro- 
Jina. < Journ. Acad. Nat. Sci. Phila. vii, pt. ii, 1837, pp. 194-199, pll. “16” (i. e. 15) and 16 
bis, figg. 1, 2. : 
Bachman, J. Observations, on the different species of hares (genus Lepus) inhabiting the 
United States and Canada. < Journ. Acad. Nat. Sci. Phila. vii, pt. ii, 1837, pp. 282-361, vll. 
“16” (i. e. 15), 16 bis, 21, and 22. 
[An important monograph. L. glacialis, Leach, p. 285, pl. 21; L. virginianus, Harl., p. 301; L, aquaticus, n. sp., 
p. 319, pl. 22, low. fig.; L. americanus, p. 326, pl. 16 bis, figg. 3,4; L. puUetes, p. 236, pll. 16" (i.e. 15) and 16 
bis, figg. 1,2 (deser. orig. at p. 194, same vol.); L. nuttallii, n. sp., p. 345, pl. 22, up. fig.; L. campestris, n. sp., p. 
349; L. (Lagomys) princeps, p. 354—8 spp., 2 new. See anted, p. 279.) 
Cuvier, F. Du genre eligmondonte, et de l’cligmodonte de Buenos-Ayres, Eligmodontia typus. 
< Ann. Sci. Nat. 20 sér. Zool. t. vii, 1837, pp. 168-171, 2 pll.; Areh. f. Naturg. Bd. i, 1837, p. 407. 
1838,—Bachman, J.D. [Monography of the species of squirrels inhabiting North America.] < Proce. 
Zool. Soe. London, vi, 1838, pp. 85-103. 
{Spp. nn. texianus, p. 86; subauratus, p. 87; anduboni, fuliginosus, p. 97; richardsoni, p. 100; lannginosus, 
p. 101. A full abstract of his monograph of the genus Sciurus, ete., which was published the following year, ¢. v.] 
Waterhouse, G. R. [On a new species of hare—Lepus bachmani-—from North America. ] 
< Proce. Zool. Soc. London, vi, 1838, pp. 103-105. 
1839.—Bachman, J. Additional remarks on the genus Lepus, with corrections of a former paper and 
descriptions of other species of quadrupeds found in North America, [i. e., additional species to 
the list of Mr. Townsend’s quadrupeds]. < Journ. Acad. Nat. Sci. Phila. viii, 1839, pp. 75-105. 
Bachman, J. Monograph of the genus Sciurus, with descriptions of new species and their 
varieties as existing in North America. < Charlesw. Mag. Nat» Hist. iii, Mar—Aug. 1839, pp. 
113-123, 154-162, 220-227, 330-337, 378-390. 
{An elaborate monograph of the then known North American Sciuri, embracing detailed notices of habits and 
distribution, as well as descriptions. Sciurus capistratus, pp. 117-123; S. texianus, p. 154; 5. subauratus, p. 155; 
S. magnicandatus, p. 156; S. aureogaster, p. 158; S. cinerens, pp. 159-162; S. leucotis, pp. 220-227; S. carolinensis, 
pp. 330-333; S. nigrescens, §. collizi, p. 334; S. niger, pp. 335-337; S. auduboni, pp. 378-380; S. fuliginosus, p. 380; S. 
douglassi, pp. 381-383 ; S. hudsonius, pp. 383-385; S. richardsoni, pp. 385-387 ; S. lanuginosus, pp. 387-389 =17 spp.] 
Bachman, J. Abstract of a monograph of the genus Sciurus, with descriptions of several new 
species and varieties. <( Amer. Journ. Sci. and Arts, xxxvii, 1859, pp. 290-310. [An abridged 
reprint of the preceding ] 
Waterhouse, G.R. Observations on the Rodentia, with a view to point out the groups as indi- 
eated by the structure of the crania in this order of mammals. < Mag. Nat. Hist. iii, 1839, 
pp. 90-96, 154-188, 274-279, 593-600. [Compare 1242, same author. ] 
Waterhouse, G.R. [On the geographical distribution of the Rodentia.] < Proc. Zool. Soc. 
London, vii, 1839, pp. 172-174. 
1841.—Wagner, J. A. Gruppirung der Gattungen der Nager in natiirlichen Familien, nebst Beschrei- 
bung einiger nenen Gattungen und Arten. < Gelehrte Anz. Miinchen, xii, 1841, col. 401-440 ; 
Archiy fiir Naturg. vii, Bd. i, 1841, pp, 111-138, 
