344 KANSAS UNIVERSITY SCIENCE BULLETIN. 
The author’s published restoration gave too great a length of 
tail. The present specimen shows only ten cadual vertebre, 
the most anterior of which are provided with short ribs. 
One of the most interesting features of the present speci- 
-men of Amphibamus grandiceps Cope is the preservation 
of a small patch of skin, evidently from the back. It lies off 
to one side, near the head, as though the skin had been loosened 
and floated away from the body or was moved in some manner. 
The remnant measures 5mm. in length by 3mm. in width. 
The fragment shows the skin to have been made up of tuber- 
culated scales, four of which occur in the length of one milli- 
meter. The scales are somewhat hexagonal, almost rounded, 
and were relatively quite thick. They lie in a close mosaic. 
The cranial structure presents no new features. There are 
evidences of twenty small, oblong, sclerotic plates preserved in 
the right orbit. These form about two-thirds of the circum- 
ference of the iris, so that twenty-nine or thirty was probably 
the correct number of these plates. Their position near the 
center of the orbital space shows clearly that they were 
sclerotic plates, and not palpebral scales, as Professor Cope 
thought they might be from his study of the type. The obverse 
of the specimen shows that the skull bones were pitted, es- 
pecially in the nasal region, as Hay has described for the speci- 
men in the possession of Mr. Daniels. The sutures are very 
indistinct and uncertain and can not be described. They are 
well known, however, in other specimens. 
The present specimen adds to our knowledge of the ventral 
scutelle, as is shown in figure 1, plate 7. The plates of 
the throat, chest and belly have different directions. The 
arrangement of the plates on the throat and chest is almost 
exactly the reverse of what Credner has described for 
Branchiosaurus amblystomus Cred. On the throat, in the 
present form, the chevron points anteriorly, and it is the 
anterior prolongation of the belly scutes with the postero- 
lateral projection of the gular plates which forms the chest 
and arm scutellation. The belly chevrons point anteriorly, as 
in the species from Saxony. The rods formed by the scutes 
are straight, and not curved as in Branchiosaurus. The en- 
tire ventral armature preserved is misplaced to the left of 
the animal, and only the anterior portion is preserved, con- 
taining a length of 18mm. There are three scutes to the 
millimeter. 
