BULLETIN OF THE 
EXPLANATION OF THE PLATES. 
PLATE I. 
Mopiriep Cuuw-PETERSEN Tow-Ner. 
Fig. 1. The net ready to lower. 
Fig. 2. The net opened, ready to tow horizontally at the required depth. 
Fig. 3. The net closed on its way up to the surface. 
For lettering, see the description of the net, page 45. 
PLATE Il. 
Tanner Deer-Sca Tow-Ner. 
Fig. 1. Sketch of the Tanner tow-net open. 
Fig. 2. Messenger for closing the net, sliding on wire rope. 
Fig. 3. Sinker attached above the Tanner net. 
Fig. 4. Bell crank tripped by messenger to liberate the slings. 
Fig. 5. Attachment of bell crank to wire rope. 
Fig. 6. Showing the lower part of the Tanner net when closed. 
For lettering, see the description of the Tanner tow-net, pages 46, 47. 
PLATE III. 
HYDROGRAPHIC SKETCH or THB PACIFIC, FROM THE GULF OF CALIFORNIA TO 
NORTHERN ECUADOR, WITH THE TRACK OF THE “ ALBATROS” 
PLATE IV. 
SKETCH OF THE GALAPAGOS ISLANDS, WITH THE TRACK OF THE “ ALBATROSS.” 
The sounding of 329 fathoms to the east of Indefatigable Island should read 
392 fathoms. 
PLATE V. 
TEMPERATURE SECTION AND PROFILE, FROM MamiATO Point TO Cocos ISLAND. 
February 23d to February 28th. 
