SYSTEMATIC INDEX. 
XXXV 
Family M YXOSTOMATID2E 
Mylostoma 
Page 
315 
315 
Subclass TELEOSTOMI .... 
Order C 11 0 S S 0 1> T EBYOII 
Suborder IIAPLISTIA . 
Family TARRASIIDuE . . 
Tarrasius ..... 
O T 
problematicus ..... 
♦ . • oil 
Suborder RHIPIBIST1A . . . 
Family HOLOPTYCHILD.E . 
... 321 
Holoptyc-bius . 
• a . 
-- nobilissimus . 
. . . 323 
-giganteus . 
. . . 325 
-americanus .... 
. . . 326 
baiii . 
... 326 
-- fie min gi . 
... 327 
(Glyptolepis) leptopterus . 
. - . 331 
(Glyptolepis) quebecensis . 
... 336 
(Glyptolepis) paucidens 
. . . 336 
Fendrodus . 
. . . 333 
-biporcatus ...... 
... 338 
-strigatus . 
... 339 
Family RHIZ0D0NT1IGE 
llhizodus . 
-hibberti 
- ornatus 
Strcpsodus 
-sauroidcs . 
•-striatulus . 
- sulcidens . 
. 341 
. 342 
. 342 
. 343 
. 34 S 
. 349 
. 352 
. 352 
