/ s. 
/?v3 sru** 'vy / ' 
fU / . z ^ • 
LEPIDOSTEIDiE. 445 
/.S'- P'^SUf/.&€**<?. So. //- fo-f- 
846 ^/rt.A^eU, 
L. Dollo, Bull. Sci. France et — 1 ™ ^ SQC ^ 'W.ri 6 l, 
Belg. 
vol. xxv. (1893), 
[Portions of jaws ; (P^c, 
Comptes Hendus, vol. lxxix. (1874), p 
Bull. Sci. France 
p. 193.—Lower Eocene ; France. 
Paris Museum of Natural History.] 
Lepiclosteus whitneyi , 0. C. Marsh, Proc. Acad. Nat. Sci. Philad. 
1871, p. 105.—Eocene ; Wyoming. [Vertebras ; Yale 
College Museum.] 
Lepiclosteus sp., H. Owen, in J. Prestwich, Quart. Journ. Geol. 
Soc. vol. x. (1854), p. 156, pi. iii. fig. 1.—Lower Eocene 
(Woolwich and Heading Beds) ; Upnor, Kent. [Vertebra.] 
Lepiclosteus sp. : Lepidotus francottei , A. Haimeries, Ann. Soc. 
Malacol. Belg. [2] vol. vii. (1893), Bull. p. xv.Y—-Middle 
Eocene (Bruxellian) ; near Brussels. [Scales.] 
Clastes anax , E. D. Cope, Ann. Hep. U.S. Geol. Surv. Territ. 
£/&+(£> 1872 (1873), p. 633, and Vert. Tertiary Form. West, 
y Book I. (Hep. U.S. Geol. Surv. Territ. vol. iii. 1884), 
P- 53, pl* ii- figs. 50-52.—Eocene (Bridger Series); 
. Wyoming. [Cranial bones.] 
Clastes cycliferus , E. D. Cope, loc. tit. 1872 (1873), p. 634, and 
%p. tit . (1884), p. 54, pl. ii. figs. 25-45.—Eocene ; 
r yoming. [The type species of Clastes, founded 
/of- fct*'" y'.]- 
on 
**W***' 
p.& - ^ cranial bones and scales h] 
Pneumatosteus naliunticus , E. D. Cope, Proc. Amer. Phil. Soc. 
vol. xi. (1869), p. 242, and in W. C. Kerr, Hep. Geol. Surv. 
N. Carolina, vol. i. (1875), Append, p. 31.—Miocene; 
North Carolina. [The type species of Pneumatosteus, 
founded on a vertebra ; Cope Coll.] 
Ncdsia apiccdis, G. von Munster, Beitr. Petrefakt. pt. vii. (1846), 
p. 34, pl. ii. fig. 23 ; W. Dames, Zeitschr. deutsch. geol. 
Ges. vol. xxxv. (1883), p. 669.—Upper Eocene; Oster- 
weddingen, Magdeburg. [The type species of Naisia, 
founded on a tooth.] 
Trichiurides sagittidens, T. C. Winkler, Archiv. Mus. Teyler, 
vol. iv. (1876), p. 31, pl. ii. figs. 22,23; W. Dames, Zeitschr. 
deutsch. geol. Ges. vol. xxxv. (1883), p. 669.—Middle 
Eocene (Bruxellian); near Brussels. [The type species 
of Trichiurides, founded on a tooth.] 
js ., 
s. r a 
X , 
Th^g^nfei^c 
3 characters of “Clastes” are stated by Cope as follows:— , 
~ • 1 &€***’ 
by Cope as follows:— u 
“ Mandibular ramus without or with reduced fissure of the dental foramen, sps / 
/>./*! and without the groove continuous with it in Lepiclosteus. One series of large 
1 h it?,•/•/£(. teeth, with small ones exterior to them in the dentary bone, the inner superior VtAiLv 
. aspect of that bone without prominent dentiferous or rugose rib.” ^ v<a/ v/h 
"C 
Art 
