426 Dr. J. E.Gray’s Synopsis of the American Squirrels 
like the latter; but the ears are covered with short closely ad- 
pressed hairs. It differs from Sc. vudpinus in the hair not bemg 
black. 
12. Macrozus fossor. 
Sciurus fossor, Peale; S. Baird, M. N. A. 264. 
Sc. Heersmanni, Leconte. 
2Sc. leporinus, Audub. 
Fur soft, abundant, pale iron-grey, minutely black- and grey- 
punctulated ; hairs lead-coloured, with a small subterminal black 
band and grey tip; chin, underside of body, and inner sides of 
legs white: tail broad, grey, black-edged; hairs grey, with a 
broad black subterminal band and grey tip. 
Hab. California (Bridges, B.M.; Gurney, B.M.). 
See also Sciurus Nebouxi, I. Geoff. Voy. Venus, t.12. Very 
pale grey-grizzled, with black feet. | 
13. Macrozus carolinensis. 
Grizzled light yellow, with occasional washes of rusty grey or 
blackish ; hairs lead-coloured at the base, upper half yellow, with 
a subterminal black band; tail broad, pale iron-grey, black- 
varied and white-washed ; hairs yellowish, with a broad subter- 
minal black band and a long white tip. 
Var. minor. Southern States :— 
Sciurus carolinensis, Gmelin, S. Baird, M. N. A. 256, t. 45. f. 2. 
Var. major. Northern States :-— 
Sc. cinereus, Desm. Sc. cinereus, Schreb. 
Sc. leucotis, Gapper, Z. Jour. >. 
Se. migratorius, Audub. 
Se. pennsylvanicus, Ord. 
Var. niger :-— 
Se. niger, Godman, Gray. 
Se. fuliginosus, Bachmann. 
Var. Blackish. 
Hab. North America. 
14. Macroxus ludovicianus. 
Fur soft, yellow iron-grey ; cheeks, chin, and beneath yellow; 
head narrow; ears high, néver white; tail yellow iron-grey, 
yellow-edged or washed ; hairs: yellow grey, with three black 
bands and a yellow tip. 
Sciurus ludovicianus, Curtis, 8. Baird, M. N. A. 251. 
Sc. rufiventer, Desm. 
Sc. macroura, Say. — 
Se. macrourus, F. Cuv. 
Sc. macryourus, Godman. 
Se. magnicaudatus, Harlan. 
