252 
BELACHII. 
P. 2179, P. 2180, P. 2191. Six toeth, three being of the form of 
//. lorujiconus, and showing lateral denticles ; Bayreuth. 
Egerlon Coll, 
P. 2770, P. 2770 a. Three teeth, and one largo tooth either of this 
species or II. mougeotl ; Brunswick. Ennisk'dlen Coll. 
Hybodus mougeoti, Agassiz. 
184.3. Hybodus mougeoti, L. Agassiz, Poiss. Foss. vol. iii. p. 190, pi. xxiv. 
figs. 7, 8, 11, 12, 16. 
1843. Hybodus ohliquus, L. Agassiz, tom. cit. p. 192, pi. xxiv. figs. 3-0 
(non figs. 1, 2). 
1844. Hybodus obliqiius, II. von Meyer & T. Plieniuger, Beitr. Pal. 
Wurtteiiibergs, p. .'30, pi. xii. fig. 58. 
1844. Hybodus (ohliquus, Ag. ?) adunnis, Plieninger, in II. von Meyer & 
T. Plieninger, oj>. cit. p. 1 12, pi. xii. fig.s. .56, 88. 
(?) 1844. Hybodus aduncus, Plieninger, in II. von Meyer & T. Plieninger, 
oj>. cit. p. 112, pi. xii. figs. 20, !t5, 80. 
18.52. Hybodus jdicatilis, I’. Oervais, Zool. et Pal. Fran?. Explic. PI. 
Poiss. Foss. p. 12, pi. Ixxvii. figs. I, 2, 4 (non tig. 3). 
1850. Hybodus mougeoti, C. Giebel, Zeitschr. gesammt. Nalurw. vol. viii. 
p. 420, pi. i. fig. 7. 
1801. Hybodus plicatilis, E. E. Schmid, Nova Acta Acad. Cses. Leop.- 
Car. vol. xxi.x. no. 9, p. 19, pi. iii. figs. 1-6. 
186.5. Hybodus mougeoti, II. Eck, Form. bout. Sandst. u. Muschelk. 
Ober.schle.sien, p. 118. 
1883. Hybodus mougeoti, II. E. Saiivage, B ill. Soc. Gdol. France, [.3] 
vol. xi. p. 49.5, pi. xii. fig. 12. 
Type. Detached teeth. 
Teeth very robust, with a relatively high crown, strongly marked 
by numerous vertical superficial wrinkles. Lateral denticles small, 
robust, sometimes absent. 
Some of the teeth referred to this species do not differ much from 
those of //. 2 >liccitllls, but we follow Sauv.agc in regarding it as distinct. 
Form, tj" Loe. Mnschelknlk and Lettonkohl : Bavaria, WUrtemberg, 
Hanover, and Eastern France. 
1534-5. T wo small toeth, and one larger ; Bayreuth, Bavaria. 
Braun Coll. 
19684. Largo tooth, with worn or abraded principal cone ; Bayreuth. 
Purchased, 1845. 
P. 2180 a. Typical tooth ; Bayreuth. Egerlon Coll. 
P. 2782. Tooth, with worn or abraded principal cone ; Hildesheim, 
Hanover. Enniskillen Coll. 
