EXPLANATION OF THE PLATES. 



PLATE 1. 



Diajjhus nanus Gilbert. 

 Hydrographic Station 3798 (A. A. 27), near Nukuhiva, Marquesas Islands. 



PLATE 2 



Diaphus agassizii Gilbert. 

 Hydrograpliic Station 3798 (A. A. 21), near Nukuhiva, Marquesas Islands. 



PLATE 3. 



Diaphus signutns Gilbert. 

 Hydrographic Station 3798 (A. A. 27), near Nukuhiva, Marquesas Islands. 



PLATE 4. 

 Laynpanyctus townsendl (Eigenniann and Eigenuiaiin) 

 Hydrographic Station 3797 (A. A. 25), near Ua Huka, Marquesas Islands. 



PLATE 5. 



Lampanyctus omostiyma Gilbert. 



Pacific Ocean, 10° 57' 35" N. Lat., 137° 35' 25" W. Long., about 1,000 miles north of 

 the Marquesas Islands. 



PLATE 6. 



Lampanyctus st'dbius Gilbert. 

 Hydrographic Station 3798 (A. A. 27), near Nukuhiva, Marquesas Islands. 



