cochliodoxtid^:. 
225 
P. 2614 b. Tooth associated with one of “ Heloclus clidymus; ” 
Arnis^h, Ennzskxllen Coll. 
P. 2644 a, P. 2644 h. Very narrow tooth, with sharply pointed 
eminence ; also two others apparently similar ; Armagh. 
Enniskillen Coll. 
P. 1436. Four teeth naturally arranged in series; Hook Point, 
Wexford. Eger ton Coll. 
P. 2645. Small tooth; Bone-bed of Lower Limestone Shales, 
Bristol. Enniskillen Coll. 
P.4911. Two small teeth; Yoredale Bocks, Wensleydale, York- 
Home Coll. 
28723. Perfect tooth; Lower Carboniferous Limestone, Tournai, 
Belgium. Purchased , 18o3. 
IX. Elongated teeth with a longitudinal median keel rising into an 
eminence and crenulated: margins with more or less distinct 
concentric wrinkles. \_V~enustodus, St. John & Worthen.] 
P. 52S0. Tooth of the form described by J. W. Davis as Lojphodus 
serratus 1 ; Yoredale Bocks, Yorkshire. Purchased , ISbO. 
P. 4910. Three similar teeth ; Wensleydale, Yorkshire. Horne Coll. 
P. 5345. Four similar teeth, imperfect, two figured, of the natural 
size, in PI. I. figs. 16, 17; Upper Carboniferous Lime¬ 
stone, Ticknall, Melbourne, S. Derbyshire. Wilson Coll. 
44855. Larger tooth, with more feeble serrations; Bristol. 
Presented by Benjamin Bright , Esq., 1873. 
P. 2628 a. Yearly similar tooth, and fragment with more pointed 
coronal eminence; Armagh. Enniskillen Coll . 
46043. Unabraded tooth; Beith, Ayrshire. 
Presented by Robert Craig , Esq., 1874. 
P. 3010, P. 3011. Type specimen of Harpacodus clavatus , Davis 2 , 
and a fragmentary tooth, differing only from the fore¬ 
going in their smaller size, and the relatively less number 
.and larger dimensions of the coronal denticulations; 
Armagh. Enniskillen Coll. 
1 Trans. Boy. Dublin Soc. [2] vol. i. (1883), p. 408, pi. li. figs. 23, 24; Quart. 
Journ. Geol. Soc. vol. xl. (1884), p. 627, pi. xxvii. fig. 19. More robust teeth 
of the same type from Armagh are named Chomatodns denhculatus, F. M‘Coy 
(Ann. Mag. Nat. Hist. [2] vol. ii. 1848, p. 124; and Brit. Palaeoz. Foss. 1855, 
p. 618, pi. 3 k. fig. 9). 
2 Trans. Boy. Dublin Soc. [2] vol. i. (1883), p. 515, pi. lxi. fig. 20. 
ft 
