in the Collection of the British Museum. 427 
Se. Sayi, Aud. 
Se. subauratus, Bach. Typein B.M. 
Sc. rubricaudatus, Aud. 
?Sc. limitis, Baird. 
?Sc. Lewisii, Ham. Smith. 
Hab. Louisiana (Bachmann): typein B.M. Missouri: B.M. 
Var. Dusky. 
Sciurus Audubonii, Bachmann. 
Sc. occidentalis, Bachmann. 
Hab. Illinois. 
See 1. Sciurus limitis, Baird, M. N. A. 256, t. 64. f. 81. f. 1. 
Hab. Texas. Much smaller than S. /udovicianus, and the pre- 
vailing colour cinnamon. 
2. Sciurus lanigerus, Aud. & Bach. Quad. N. A. 1849, i. 27; 
S. Baird, M. N. A. 280. Hab. Northern California. 
15. Macrozus griseoflavus. 
Fur abundant, rather thick, nearly uniformly coloured yel- 
lowish grey, yellow, white, and black mixed; nose and front of 
erown whiter; cheeks and chin greyish white; ear-tuft dirty 
white; throat, chin, belly, and inner side of the limbs yellow 
red; feet white and black equally mixed; hairs of back lead- 
coloured, upper half brown, with a black subterminal band and 
a white tip; tail pale brown, white-washed; hairs grey, with 
three blackish bands, the last subterminal with a long white tip. 
Hab. Tropical America, Guatemala (Salvin). B.M. 
Somewhat like M. leucops, but paler, more uniformly coloured, 
and the colour of the hairs quite different ; orbits not white ; chest 
yellow red. 
16. Macrozus leucops. 
_ Fur abundant, very soft, yellowish grey, minutely yellow-, 
white-, and black-varied ; crown, nape, and rump yellow-washed ; 
hairs long, lead-coloured at the base, brown above, with a nar- 
row black band and white tip; nose and cheeks grey; ear-tuft, 
orbits, chin, throat, and feet white; chest, belly, and inner sides 
of the limbs bright red; tail very bushy, black, white-washed, 
with irregular black rings; hairs slightly yellow at the base, 
with a very broad black band and long white tip. 
Hab. North America, Mexico, Oaxaca (Sallé). B.M. 
Var. The lower half of the hairs of the tail orange-yellow. 
Hab. New Granada? B.M. 
Wagner (Abh. K. Bay. Akad. ii. 500) describes two squirrels 
from Oaxaca as S. albipes and S. socialis, the first 104 inches 
long, with rigid hair, the second 84 inches long, with softer 
