xxvi 
SYSTEMATIC INDEX. 
Family ISCHXACANTHIDJE 
I sclm acanthus 
gracilis 
Truro 
20 
20 
21 
Family DITLACAXTIIIFlE 
Diplacanthiis . 
--- striatus 
-longispmus 
Climalius . 
-- rcticulatus . 
-scutigcr 
-unci nates . 
-macnicoli . 
-grandis . 
-gracilis . 
-(?) ornahis. 
--(?) iatispinosus 
Parexus 
meurvus 
■'•at us 
22 
og 
24 
2G 
23 
23 
29 
30 
30 
31 
32 
32 
33 
33 
34 
34 
Subclass HOLOCEPHALI ..36 
Order CHULEKOIDEI . 36 
Family PITCTODQNTLDFE.37 
Ftyctodus.38 
llhynchodus.89 
Palac-omylus 83 
Family SQUAL011A1ID2L.. ^? 
Squaloraja. 
—— polyspondyla. 41 
- tenuispina.‘‘8 
Chalcodus.43 
