FOSSILS OF THE LAND PEBBLE PHOSPHATE DE¬ 
POSITS. 
CETACEAN AND MASTODON. 
Fig. 33.—Vertebra of a small cetacean. Slightly more than one-half natural 
size. From pit of Amalgamated Phosphate Company, Brewster. Fla. Geol. Surv. 
collection No. 3656. Length of vertebra 14 cm; width 12.5 cm. 
Fig. 34 .—Mastodon ( Trilophodon ) floridanus Leidy. Worn upper right 
molar. Slightly reduced. Fla. Geol. Surv. collection No. 2307. Size of grinding 
surface of tooth, 114 by 75 mm. 
104 
