544 ARCTOCEPHALUS. 
Fic. LXXIX. GROUP OF FUR SEALS OR SEA-BEARS. 
0 
510. townsendi (Arctocephalus), Merr., Proc. Biol. Soc. Wash., 1897, 
DePL7e- 
GUADALUPE FuR SEAL. 
Type locality. Guadalupe Island, coast of Lower California, 
Mexico. 
Geogr. Distr. Guadalupe and San Benito Islands, coast of Lower 
California, Mexico. 
Genl. Char. Skull: palate narrow, excavated; bulle flat; ascend- 
ing arm of premaxilla short and thick; zygomatic root of maxilla 
expanded broadly. Upper molars double-rooted, posterior upper 
premolar incompletely double-rooted. 
Color. Skull alone preserved. 
Measurements. Basal length, 256; length of Hensel, 233; palatal 
length, 120; post-palatal length, 125; zygomatic breadth, 151; length 
of tooth row, 88; distance between canines, 22.5. 
There are but two species known belonging to the next genus, 
the huge Sea-elephants of the islands off the coast of Upper and 
