In drift at Fisherton, near Salisbury, thirty feet above the river Wiley, the Greenland lemming and a new species of the Arctic genus spermophilus have been found, along with the mammoth, reindeer, cave-hyaena, and other mammalia suited to a cold climate.
"The Student's Elements of Geology"
Sir Charles Lyell
The base of the baculum is broad but not so broad as in most species of spermophilus.
"Genera and Subgenera of Chipmunks"
John A. White
In this respect Tamias resembles most ground squirrels of the genus spermophilus.
"Genera and Subgenera of Chipmunks"
John A. White