278 



THE VOYAGE OF H.M.S. CHALLENGER. 



CONTENTS. 



PHOSPHORESCENT 



I. HISTORICAL INTRODUCTION, .... 



IL THE DIVERSITY OF THE PHOSPHORESCENT ORGANS, 



IIL SPECIAL DESCRIPTION OF THE DIFFERENT KINDS OF 

 ORGANS, ....... 



A. Regular Ocellab Organs, ..... 



L Simple ocellar organs without pigment coat, sunk in the hody, 

 a. Dixlnhation, 

 li. Structure, 

 c. Innervation, 

 <l. Futiction, 

 e. Developnw.nt, 



2. Simple ocellar organs with pigment coat, sunk in the body, 



a. Didrihution, 

 li. Structure, 



c. Innervation, 



d. Function, 



e. Developmeid, 



3. Composite ocellar organs without reflector, 



a. Distribution, 

 li. Structure, 



c. Lmervatioii, 

 (I. Fwiction, 

 e. Development, 



4. Composite ocellar organs with special rcHcctor, 



rt. Distribution, 

 I). Structure, 



a. Getieral, 



(1) 77*6 organa of (Jonostoma, 



(2) Tlie dorsal organs oi' " stern-chasers" of ScopcluK, 



(3) The groups of lateral organs in Argi/ropelecus and Siernoptyx, 



(4) The ventral rows of Argijropelecits and Sternoptijx, 

 p. Histology, ...... 



'•. Innervation, ...... 



d. Function, ...... 



e. Development, ...... 



PAGE 



281 

 283 



285 



285 



285 

 285 

 286 



287 

 287 

 288 



289 

 289 

 289 

 291 

 291 

 292 



292 

 292 

 293 

 298 

 299 

 300 



300 

 300 

 301 

 301 

 302 

 302 

 303 

 3(13 

 303 

 306 

 30G 

 .■!07 



