322 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



YI. — Rate of variation per day of Sea-temperature at 



Carnarvon Bay Light-Yessel during the range of dates of 



the hydrographic cruises in 1906 to 1912. 



February 



May 



August . . . 

 November 



ft ° 



-L = 0-0102, decreasing 



„ =0-081, increasing 

 „ = 0-0033, increasing 

 ., = 0-038, decreasing 



YIL— Mean differences of Sea-temperature at the 

 hydrographic stations 5, 6 and 7, 1907—1912. 



February 

 May ...'... 

 August ... 

 November 



Mean Temp, at 

 Station 5. 



T° + -01 

 T° — -09 

 T° + -08 

 T° — -29 



Mean Temp, at 

 Station 6. 



Mean Temp, at 

 Station 7. 



T° — -33 

 T° + -05 

 T° + -63 

 T° + -03 



YIII. — Mean differences between the Sea-temperature at surface 

 and bottom at hydrographic stations 5, 6, and 7, 1907 — 1912. 



Station 5 



Temp, at I Temp, at 

 Surface. Bottom. 



Station 



Temp, at Temp, at 

 Surface. Bottom. 



Station 7 



Temp, at Temp, at 

 Surface. Bottom. 



February 

 May 



August ... 

 November 



T° — 0-12 

 T° — 0-18 

 T° — 0-40 

 T° — 011 



T° — 0-08 

 T° — 0-29 

 T° — 0-20 

 T° — 0-15 



T° — 0-05 

 T° — 0-16 

 T° — 0-30 

 T° — 0-04 



IX.— Average temperatures at various stations during 

 the years 1909—1912. 













Mean 





Feb. 



May. 



Aug. 



Nov. 



Annual 

 Range. 



Hydrographic Station 1 ... 



4-9 



9-3 



15-3 



11-5 



10-4 



„ 2 ... 



5-4 



8-9 



14-3 



11-6 



8-9 



» 3 ... 



6-2 



8-6 



13-8 



11-8 



7-6 



» 4 ... 



6-7 



8-6 



13-4 



120 



6-7 



„ 5 ... 



7-5 



8-5 



12-9 



121 



5-4 



„ 6 ... 



7-6 



8-4 



131 



12-3 



5-5 



,. 7 ... 



7-3 



8-4 



13-8 



12-3 



6-5 





4-4 



9-3 





8-9 



. 





3-8 



120 



16-4 



7-6 



12-6 



Liverpool Bar 



4-4 



11-8 



16-3 



7-6 



11-9 





5-4 



11-2 



15-9 



8-2 



10-5 



Red Wharf Bay 



6-3 



10-3 



15-6 



8-8 



9-3 





6-1 



8-8 



14-9 



9-3 



8-8 



Mrrecambe Bay Lightship 



4-8 



10-8 



160 



9-0 



11-2 



Liverpool N.W. Lightship 



5-6 



10-4 



15-3 



9-3 



9-7 



