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Ay 
aie Es x p a, 190; vertical diam- 
e Be j eter of base of diapophysis, 
ERY 390. These figures show that 
the total elevation of this ver- 
tebra, when complete, was not 
less than six feet, and probably 
ore. 
Since in A. altus and C. su- 
premus ne pea of the fe- 
ur is twice the elevation of 
the dorsal cera we may 
surmise that the length of the 
exception 
among the 
Saurians of 
the Dakota 
epoch: Itis, 
that che size of 
the vertebra ts 
„1 direct pro- 
oe 7” portion to the 
, attenuation of 
walls. Thi 
thie and other species, 
resembles nothing 
much as what is seen 
in deep sea fishes, as A/- 
pidosaurus, etc., and sug- 
gests that these beasts 
may have walked in deep 
water and browsed on 
precipitous shores. 
The species hernia de- 
, scribed may be called 
\ Amphicelas frag illus. 
\ The dimensions 
\ vertebrae much exceed 
\ those of any known land 
\ animal.—Z. dD. Cope. 
w 
r 
+ 
ww “eu, 
` 
o 
LES. 
recently directed atten- 
tion to the adaptive char- 
Ao + acter of the modifications _ 
`e- a of structure which have 
eee 
