260 
ACTINOPTERTGII. 
posterior is the larger tooth, inclined forwards, wi ' “ 
sharp edge in front and behind : while the anterior too r 
is rounded behind, with a sharp edge only in fron J 
Between the large teeth there are also traces of smal ones 
of similar form, arranged in single series on the s ® 
outer margin of the bone. One of these small t ee ^’ 
preserved on the left premaxilla, is slightly curve 
wards in its apical portion. Bcmains apparently o 
attenuated rostral region occur above the right premax 
Gardner Coll. 
47204 b. Imperfect anterior half of a smaller left premaxilkh 
showing the base of the anterior enlarged tooth, an 
whole of the posterior enlarged tooth, which is dis in ® • 
inclined forwards. Gardner 
47204 c. The greater portion of the left dentary, much crushed, 
imperfect both behind and below, shown from the ou 
aspect of the natural si/.e in PI. XIII. fig. 5. l'i ve 0 
anterior recurved teeth are indicated, gradually inercas^n 
in size backwards. Then follow remains ot two ^ 
large teeth with tumid, finely striated bases, the se ^ 
much larger than the first. The outer face of the ^ 
so far as preserved, is smooth. Gardner 
33311. Fragment of left promaxilla, with base of posterior e' 1 ^ 1 " g 
tooth. Purchased, l ■ 1 • 
?• 9020. Anterior portion of small right premaxilla. ^ 
Presented by F. G. Hilton Price, Esq., 1 
P- 5528. Remains of anterior half of mandible. Purchased, 
47204 e-i. Small fragments of mandible. Gardner 
P. 35. Anterior end of small left dentary. Gardner C 
Apateodus striatus, sp. nov. 
[Plate XIII. fig. 6, Plate XIV.] 
(?) 1837-44. Saurocephalus striatus, L. Agassiz, Poiss. loss, 
pt. i. p. 102, pi. xxv c. figs. 17-20. 
■Type. Small hoad ; British Museum. . . 
An imperfectly known species, the mandible probabl) attaii 
length of about 0-15. Two teeth on the anterior half of the P ^ 
maxilla much enlarged ; the anterior about two thirds as o 0 
