XV. PISCES 
ARRANGED BY 
C. TATE REGAN. 
I. Titles . . 
CONTENTS 
II. Subject Index 
General, Economics, Etc. 
Structure 
Physiology 
Development 
Ethology 
Variation and Aetiology 
Distribution . . 
Marine 
Fresh Water 
Fossil 
III. Systematic 
General Works 
Marsipobranchii 
Selachii 
Euselachii . . 
Pleurotremata . . 
Hypotremata . . 
Holocephali 
( n -9210 b) 
page. 
. 3 
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. 23 
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. 26 
. 26 
. 27 
. 28 
. 29 
. 29 
. 30 
. 31 
. 32 
. 32 
. 32 
. 32 
. 32 
. 32 
. 33 
. 34 
