46 FLORIDA GEOLOGICAL SURVEY-EIGHTH ANNUAL REPORT. 
scutes at the midline was 17 mm. As usual, they expanded greatly 
behind the axillary notch. The bone is of moderate thickness, 12 
mm. at the midline, about 8 mm. where it joined the hypoplastron. 
The epiplastral and hyoplastral bones described differ from 
those of T. crassiscutata in having the thickest part of the bone, at 
the hyo-epiplastral suture relatively nearer the free border. In 
T. crassiscutata the greatest thickness is hardly equal to one-half 
of the distance from the free border to the summit of the slope 
on the upper surface. In T. ocalana the corresponding fraction is 
four-fifths or more. 
A right first costal bone present (No. 4288) is referred pro¬ 
visionally to this species (pi. 3, fig. 3). Only a part of the hinder 
inner angle is missing. It presents borders for articulation with 
the first neural, the nuchal, the first, second, third, and fourth 
peripherals, and the second costal. From the outer angle to the 
border for the neural it measures 133 mm. The thickness at the 
neural is 10 mm. The border for union with the nuchal and the 
first and second peripherals is very irregular and jagged; that for 
union with the third and fourth peripherals is smooth. The first 
vertebral scute had a width in front-of 94 mm. in addition to the 
width of the neural. At its hinder end the width was 48 mm. in 
addition to that of the neural. 
A hinder peripheral, apparently the left eighth, is referred to 
this species. Its number is 4311. Figure 4 of plate 3 presents 
a view of its front borders. 
TESTUDO INCISA, NEW SPECIES. 
Plate 3, figs. 5-8. 
Type specimen. —The xiphiplastral of the left side, No. 4287 
of the collection of the Florida Geological Survey. 
Type-locality and formation. —Ocala, Marion county, Florida. 
Pleistocene. 
Diagnosis. —Xiphiplastron thick and heavy, with a deep and 
rounded notch at the rear, between the two acute terminal pro¬ 
cesses. Anal scutes very short at the midline. 
In a lot of bones presented by the Florida Lime Company, at 
Ocala, is the xiphiplastral bone here described. Whether any of 
the other bones in the collection belong to the same species it is 
impossible to say. The bone here described and figured (pi. 3, 
fig. 5) indicates a tortoise fully as large as the existing so-called 
