XXVI 
SYSTEMATIC INDEX* 
Page 
Family BELONOBHY YCHIDiE. 9 
Belonorhynchus. 9 
-striolatus.11 
-gracilis.12 
-gigas.12 
-macrocephalus.13 
-tenuirostris.. . 13 
--acutus.14 
-brevirostris.17 
Saurichthys.19 
— apicalis.19 
-mougeoti.20 
——- acumiuatus.21 
Family CHONDROSTEIDiE.23 
Chondrosteus.23 
-acipensercides.27 
-pachyurus.33 
Gyrosteus.34 
--mirabilis . 34 
Family ACIPEYSEBIDiE.42 
Acipenser.43 
-toliapicus.43 
Family POLYODONTIDiE.46 
Crossopbolis.46 
-magnicaudatus.47 
Pholidurus.47 
-disjectus.47 
Suborder PBOTOSPONDYLI .48 
Family SEMIOYOTIME ..49 
Acentrophorus.51 
-varians.51 
— abbsi 52 
