FOSSILS OF THE LAND PEBBLE PHOSPHATE DE¬ 
POSITS. 
CETACEANS. 
Fig. 31.—View of a part of the snout of a small cetacean of the family 
Platanistidae. Approximately one-half natural size. Fla. Geol. Surv. collection 
No. 828. From pit of the Dominion Phosphate Company, five miles south of 
Bartow. Length of specimen as preserved 28 cm, width 42 mm. 
Fig. 32.—Side view of upper and lower jaw of another cetacean. Approxi¬ 
mately onigdialf natural size. Specimen in the collection of the Prairie Pebble 
Phospf^e'^fcompany, taken from land pebble phosphate bed near Mulberry. 
Length of specimen as preserved 30 cm, width at center 8 cm. 
Small cetaceans of the family Platanistidae are among the most 
abundant fossils of this formation. Broken ribs of these animals are 
particularly abundant; vertebrae are found frequently; while parts 
of the skulls similar to those illustrated are occasionally met with in 
mining. 
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