2/8 OBSERVATIONS ON DIVE NUMBER THIRTY 



Feet Stop Start Observations by Beebe 



Time p.m. 

 1300 12.04.30 3 squids, 6 inches, one light on 



each. 

 1200 12.0^.10 Fairly brilliant lights still pres- 



ent. 

 1 175 12.07 Oxygen reading 300 pounds. 



1 165 12.07.30 Barometer reading 83. Discov- 



ered oxygen escaping at rate 

 of lYz litres per minute, 

 must have been jarred. Reset 

 to I litre per minute. 

 1 100 12.08.20 Light still very bright. 



1060 12.10 Big 5 inch fish, pretty deep, in 



shape like a chub, with no 

 lights and sharp jaw. Animal 

 light dim. 

 Color of water a gray blue; pal- 

 est of blues. 

 Temperature 70°. 

 Humidity 77%. 

 Water a decided blue, pale 



grayish blue. 

 Few sparks. Greatest number of 

 Myctophids seen yet, about 

 35. They come sideways, turn 

 and swim oflf and down when 

 they see beam of light. 

 800 12. 13. 15 



760 12.14.30 Faint sparks outside of beam of 



light. But nothing like below. 

 Many little organisms. 12 

 pteropods. Leptocephalus, 2 

 inches. 

 700 12.14.50 Beam turned out. Water a 



lovely, rich, steel blue. 

 674 12.1^ Barometer reading 84. 



650 12.1^.30 Oxygen reading 200 pounds. 



