CONTENTS 
CHAPTER XV 
Tur KIDNEYS AND THE REPRODUCTIVE ORGANS—BREEDING 
CHAPTER XVI 
CycLosTroMATA (SYSTEMATIC) 
CHAPTER, XVII 
ELASMOBRANCHIL: GENERAL CHARACTERS—PLEUROPTERYGII—ICHTHYOTOMI 
—ACANTHODEI—PLAGIOSTOMI—SELACHII— BATOIDEI—HOLOCEPHALI 
CHAPTER XVIII 
TELEOSTOMI: GENERAL CHARACTERS— CROSSOPTERYGII — CHONDROSTEI — 
HOLOSTEI 
(QUBLNIEMD AIR EDS 
DIPNEUSTI 
CEPAGR MB emeNoN 
APPENDIX TO THE FISHES: PALAEOSPONDYLIDAE—OsTRACODERMI— HFTERO- 
STRACI—OSTEOSTRACI—ANASPIDA—ANTIARCHI—ARTHRODIRA 
CHAPTER XXI 
TELEOSTEI: GENERAL CHARACTERS—MALACOPTERYGII—OSTARIOPHYSI 
CHAPTER AXIT 
TELEOSTEL (CONTINUED) : SYMBRANCHII— APoDES — HapLomiI — HETEROMI— 
CATOSTEOMI—PERCESOCES—A NACANTHINI 
CHAPTER, XXTIT 
TELEOSTEL (CONTINUED): ACANTHOPTERYGII — OpIsTHOMI — PEDICULATI— 
PLECTOGNATHI , 
INDEX 
PAGE 
397 
421 
431 
co 
“TI 
or 
On 
oS 
Ou 
521 
541 
597 
