CONTENTS (Continued) 



Page 



B. Bathythormograph Observations (Continued) 



3« Cape Colbock to the Bransfield Strait Area « • . • 37 



U, Braii;?field Strait .•«<,•«••»•.<,<>... [^2 



5. Weddell Sea Area 1;3 



6, Conclusiona and Recommendations ••• 1;3 



C. Meteorology- •••••••••* • \xS 



D. Bottom Sediments t 



1. General .•••<ie««******»*«»<i»» hi 



2. Ross Sea Area ,»»»»•» .v. «. U8 



3. Cape Colbeck to Bransfield Strait • « . . . o , . $0 

 h» Bransfield Strait $1 



5. Weddell Sea Area $3 



6. Conclusions <>••.•<>•«• • ^5 



E. Transparency jand Plankton .•••••* • $6 



F. Deep Scatterijig Layer: 



1, Introduction «».♦ 57 



2, Frequency of Occurrence •••««•*., •••»s 57 



3, , Diurnal Movement •••....^ 59 



li. Depth of Deep Scattering Layer •...,«•<.»• 59 



5. Discussion and Comparison vri.th Other Observations. 59 



6. Hecommcndations .•.o««»e**«>««t.** 61 



G. Results from Snow and Ice Studies 61 



APPENDIX — Plates I to XIX ... 73 



ANNEX I. EXPLANATION AND TABULATION OF DATA (under separate cover)* 



A. Explanation of Data Pages ..•••.••.•»••• Al 



B. Data Tabulation • A7 



■!f 



If riot for-rarded with this volvtm?^, ANNEX I m:iy be obtained from the 

 .K^i -ro graphic Of fire by ruqucsb. 



VI 



