TESTUDINATA. 75 
whole hinder half of the costal bone is sculptured by ridges and 
grooves which run fore-and-aft. 
The other fragments of costals, Nos. 7092 and 7093 appear to 
have belonged to younger individuals. They seem to show that 
the lateral dorsal carinae were more strongly developed than in 
C. serpentina. 
It is impossible to say to which species the neural and the hyo- 
plastral bone belonged. 
Of the turtles described in this paper from the locality at Yero. 
Florida, the following according to the records of the Florida Geo¬ 
logical Survey were found in place in horizon No. 2 of the published 
section :* 
Terrapene innoxia Testudo sellardsi 
Chelydra laticarinata 
The following species were found not in place. 
Testudo Incise Trachemys bisornata 
Gopherus prsecedens Trachemys sculpta 
The following species have been obtained from the next later or 
overlying deposit. No. 3 of the section: 
Pseudemys floridana persimilis Terrapene antipex 
Terrapene innoxia Chelydra sculpta 
ADDITIONAL NOTE. 
After this paper had taken on page form Doctor Sellards sent 
to the writer, for examination, a small collection which he had 
lately secured at Vero, and which furnishes some additional infor¬ 
mation. From all the materials examined the following turtles 
have been identified from the stratum which Doctor Sellards has 
called No. 3. 
Gopherus polyphemus Pseudemys floridana persimilis 
Terrapene antipex Chelydra sculpta 
T. innoxia Chelonia mydas 
Amer. Journ. Sci. Vol. xlii, p. 6, July, 1916; and this Volume, text-figure 2 . 
