544 ARCTOCEPHALUS. 
Fig. LXXIX. GROUP OF FUR SEALS OR SEA-BEARS. 
510. townsendi (Arctocephalus), Merr., Proc. Biol. Soc. Wash., 1897, 
pe Lys. 
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; bullz 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 
