148 



DEPARTMENT OF THE NAVAL SERVICE 



6 GEORGE V, A. 1916 



peratures have been converted to the Centigrade scale, and are here given for com- 

 parison : — 



Copeland's station. 



26 

 28 

 33 



Near 

 station , 





 10 

 11 



Date. 



July 26 1910. 



Aug. 28 » . 



July 26 ti . 



Aug. 3 .1 . 



It O M . 



M 28 M . 



Density . 



•022 

 0241 



•023 

 0225 



•0 



•0245 



3. Dredgixgs. 



Dredg'ings were made at the following stations and the mollusca obtained deter- 

 mined. In some cases records of dredgings made previously without regard to this 

 report are included: — 



Station 5 — 



Date, July 6, 1913. Depth, 3 fathoms. Bottom, sawdust. 

 Dredgings — Thracia myopsis Beck, 1. 



Leda tenuisulcata Stimpson, 1. 

 Tritia trivitiata Adams, 1. 

 Cytherea conversea Verril, 2. 



Station 6 — 



Date, July 11, 1913. Depth, 8 feet. Bottom, sand. 

 Dredgings — Yoldia limaAula Say, several. 



Station 10— 



Date, August 16, 1913. Depth, 5 feet. Bottom, mud. 

 Dredgings — Yoldia limitula Say, 1. 



Cardium pinnitlatum Conrad, 1. 

 Chiton albus Montagu, 2. 

 Yoldia sapotilla Gould, several. 

 Bela sp., 1. 



Station 12— 



Date, August 16, 1914. Depth, 3-5 fathoms. Bottom, mud and stones. 

 Dredgings — Polynices lieros Say (small), 8. 

 Polynices trisereata Say, 1. 

 Siphonorhis p^gmeus Gould, 4. 

 Venericardium horealis Conrad, 17. 

 Aporrhais occidentalis Sowerby (dead), 1. 

 Cylichnia alba Brown, 2. 

 Thyasira gouldii Phillippi, 3. 

 Bella pleurotomasia Adams, 1. 



Station 13— 



Date, August 17, 1914. Depth, 3 fathoms. Bottom, mud and shells. 

 Dredgings — Modiola modiolus Lamark, 1. 



Pecten magellanicus Gmelin (dead), 1. ^ 



' Tritonofusus stimpsoni Morch, 1. ' 



!Saxicava riigosa Gould, a few. 



Cardium pinnulatum Conrad, 2. ' 



Doris sp., 4. 

 Chiton albus Montagu, 1. 



