of the Fishery Board for Scotland. 



317 



TABLE XV. — Specific Gravity and Calculated Salinity of 

 Surface Water at Bell Rock and Oxcar Lighthouses. 



Ten-day Periods. 





Bell Rock. 



OXCAR. 



Period. 



9 A.M. 



3 P.M. 



9 am. 



3 P.M. 





Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 



1893. 



















Jan. 1-10 



25 "6 



3 "28 



25 "6 



3'28 



* 









„ 11-20 



25 (5 



3*28 



25 - 6 



3 - 28 











„ 21-31 



25*5 



326 



25 - 5 



3'26 









* 



Feb. 1-10 



25 '5 



3*26 



25*6 



3"28 











ii 



25 '8 



331 



256 



3 "28 











„ 21-28 



25*8 



3 31 



25-7 



3-29 











Mar. 1-10 



25 - 9 



3 "32 



25*8 



3'31 











„ 11-20 



25-7 



3"29 



25 '8 



3'31 









* 



„ 21-31 

 Apr. 1-10 



25 '7 



3*29 



25 - 7 



3'29 



24 - 9 



3*16 



249 



3-16 



25-6 



3'28 



25 -5 



3*26 



24'9 



3*16 



24'9 



3*16 



ii H-20 



25 - 5 



326 



25 - 5 



3*26 



25 '0 



3 - 18 



25*0 



318 



„ 21-30 



25-8 



3*31 



25-7 



3"29 



25'0 



3-18 



25"0 



3-18 



May 1-10 



25-9 



3 - 32 



25-8 



331 



25'3 



3 "23 



25*1 



3*20 



ii H-20 



25-8 



3 31 



25-8 



3-31 



25-2 



3-21 



25-2 



3-21 



„ 21-31 



25-9 



3-32 



25-7 



3*29 



25 4 



3 24 



25-2 



3-21 



June 1-10 



25*6 



3-28 



256 



3 -28 



25 - 5 



3*26 



25-4 



3-24 



ii H-20 



25-8 



3-31 



25-8 



3-31 



25-7 



3-29 



25-7 



3-29 



„ 21-30 

 July 1-10 



26-2 



3-38 



260 



3 34 



25-5 



3-26 



25-6 



3-28 



26 1 



3-36 



26-0 



3-34 



25-7 



329 



25-6 



3-28 



ii ll- 20 



26-2 



3-38 



26-1 



3-36 



25-6 



3-28 



25-4 



3-24 



>i 21-31 



26-3 



3-40 



261 



3-36 



25-5 



3-26 



25-4 



3-24 



Aug. 1-10 



26 0 



3 34 



25-8 



3 31 



25-6 



3-28 



25 5 



3-26 



,, 11-20 



26-2 



3-38 



26-2 



3-38 



256 



3-28 



25-5 



326 



ii 21-31 



ucpt. X — XV 



26-2 



3-38 



26-1 



3-36 



25-5 



3 26 



25 6 



3-28 



26 2 



3-38 



26-1 



3-36 



25-6 



3-28 



25-6 



3-28 



„ 11-20 



262 



3-38 



26-0 



3-34 



25-8 



3-31 



25-7 



3-29 



„ 21-30 



26-1 



3-36 



261 



3-36 



25-8 



3-31 



25-8 



3 31 



Oct. 1-10 



26 0 



3-34 



261 



3-36 



25-5 



3-26 



25-5 



3 26 



„ 11-20 



26-2 



3 38 



26-1 



3-36 



25-0 



3-18 



25-0 



3-18 



„ 21-31 



261 



3*36 



26-1 



3-36 



25-1 



3-20 



25-4 



3-24 



Nov. 1-10 



25-8 



331 



25-8 



331 



24-6 



3*10 



24-7 



3-12 



,i H-20 



260 



3 34 



259 



3-32 



24-6 



3-10 



24-4 



3-06 



21-30 

 Dec. 1-10 



261 



3-36 



26-2 



3-38 



24-8 



314 



24-9 



3 16 



260 



3-34 



26 1 



3-36 



24 9 



3'16 



25-0 



3*18 



ii H-20 



26-0 



3-34 



25-9 



3-32 



24-5 



3-08 



24 1 



3 01 



„ 21-31 



26-0 



3-34 



25-8 



3 31 











* Until March 21-31 a mended instrument used, giving readings too uncertain to be utilised. 



TABLE XVI. — Specific Gravity and Calculated Salinity of 

 Surface Waters at Bell Rook and Oxcar Lighthouses. 



Monthly Means. 







Bell 



Rock. 





Oxcar. 



Month. 



9 a 



.M. 



3f 



.M. 



9 A 



M, 



3 p 



M. 





Sp. Gr. 



Sal. 



Sp. Gr t 



Sal. 



Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 



1893. 



















January 



25-6 



3-27 



25 6 



3-27 











February 



25 7 



3-29 



256 



3-28 











March 



25-8 



3 30 



25-8 



3-30 



24*-9* 



3 16 



24-9* 



3 16 



April 



25-6 



3-28 



25-6 



3-27 



25 0 



317 



250 



317 



May 



25-9 



3-32 



25-8 



3-30 



25-3 



3 23 



25 2 



3 21 



June 



25-9 



3-32 



25-8 



331 



25 6 



3-27 



25-6 



3 27 



July 



26-2 



3-38 



26 1 



3-35 



25-6 



3-28 



25-5 



3 25 



August 



26-1 



3 37 



260 



3 34 



25-6 



3-27 



25-5 



327 



September 



26-2 



3 37 



26 1 



335 



25 7 



3-30 



25-7 



3-29 



October 



26 1 



3-36 



26-1 



3-36 



24*9 



3 21 



25-3 



3 23 



November 



26 0 



3 34 



260 



3-34 



247 



311 



24-7 



311 



December 



26-0 



3-34 



25-9 



3 33 



24-7f 



3 12 



24 6 



310 



Year 



25 9 



3-33 



25-9 



332 











* Ten observations only. f Observations 1-20 only, 



