TABLE OF CONTENTS. 



Page 



1. INTRODUCTION 169 



2. DESCRIPTION OF THE RADI- 



ATING ORGANS .... 170 



(1) The Fishes with Ocellar Radi- 

 ating Organs 170 



Aniijropelecus lyclmus (PI. 6, Figs. 

 24, 25) 170 



Sternoptyx ohscura (PI. G, Figs. 

 26, 27) 175 



Lychnopoles argenteolus (PI, 7, 

 Figs. 31-37) 176 



Cydothone acclinidens (PI. 6, Figs. 

 28-30) 180 



Myctopham aurolaternatum (PI. 5, 

 Figs. 21-23) 182 



ChauUodus harbatus (PI. 8, Figs. 

 38-40; PI. 9, Figs. 43-46) . . 183 



Idiacanthus antrostomus (PL 8, 

 Figs. 41, 42) 191 



Stomias hexagonatus (PL 10, Figs. 

 47-51) 192 



Page 



(2) The Fishes with Radiating 

 Discs 197 



Bassozetus nasus (PI. 4, Figs. 14-17) 197 

 Leucicorus hisciosus (PI. 3, Figs. 



10-13) 198 



Halosaurus radiatus (PI. 11, Figs. 



52-57) 199 



Macrurus canus (PI. 5, Figs. 18-20) 202 



Ipnops agassizii (PI. 1, Figs. 3-5) 202 



(3) The Fishes with Tubular Ra- 

 diating Organs 203 



Malthopisis sp)imdosa (PI. 1, Figs. 

 1, 2; PI. 2, Figs. 6-9) ... 203 



3. CONCLUSIONS 205 



4. LITERATURE .207 



APPENDIX. 



The Structure of the Bud-like 

 Organs of Malthopsis spinu- 

 LOSA. By E. Trojan ... 209 



Literature 2J3 



