REPORT ON THE DEEP-SEA FISHES. 



279 



6. Regular ocellar projecting organs, 



a. Digtribidion, 



b. Structure, 

 e. Imiervatinn, 



d. Function, 



e. Develoinnent, 



f. Doubtful structures in the skin, 



6. Regular ocellar covered organs, 



a. Distribution, 

 h. Structure^ 



a. General, 



/3. Histology, . 



(1) The scales, . 



(2) The pigmented membranes. 



(3) The light-reflecting membrane^ 



(4) TJie phosphorescent organ, 



(5) The slime-canal and its branches, 



(6) The tissue overlying the slime-canal, 



(7) The meandriform gland-tubes, 



c. Innervation, 



d. Function, 



e. Development, 



B. Ieregulae Glandular Organs, 



7. Glandular organs of irregular position, . 



a. Distribution, 

 I). Structure, 

 c. Function, 



8. Glandular organ on the lower jaw, 



a. Distribution, 



b. Structure, 



c. Function, 



9. Dififerentiated barbels and fin-rays, 



a. Distribution, 

 h. Structure, 

 c. Function, 



10. Glandular organs under tlie gill-covers, 



a. Distribution, 



b. Structure, 

 ^c. Function, 



11. Suborbital glandular organs without reflector, 



a. Distribution, 



b. Structure, 



(1) In Astronesthes niger, 



(2) In Opostomias micripnus, 



c. Innervation, 



d. Function, 



e. Development, 



PAGE 



307 

 307 

 307 

 308 

 308 

 308 

 308 



309 

 309 

 309 

 309 

 310 

 310 

 310 

 310 

 310 

 311 

 311 

 312 

 312 

 312 

 313 



313 

 313 

 313 

 314 

 314 



314 

 314 

 314 

 315 



315 

 315 

 315 



315 



315 

 315 

 316 

 316 



316 

 316 

 316 

 316 

 317 

 319 

 319 

 319 



