﻿'U 



On a Tidal Problem. 



In fig. 2 the neighbourhood of the centre is represented on 

 a larger scale, with a view to shoeing how the phase- 

 difference rapidly varies from at the centre towards the 

 value 77° which obtains at the ends. 



Fig-. 2. 





Equi 



LIBRIUM 



Theory. 



Dynamical 



Theory. 



2a 



(degrees). 



2a a 

 (miles). 



Range 



at 

 centre. 



Range 



at 

 ends. 



0o 

 (degrees). 



Range 



at 

 centre. 







Range 



at 

 ends. 



0i 

 (degrees). 



-45 



















-45 







4S 



270 



•001 



•079 



-43-5 



•001 



•080 



-43-5 



9 



540 



•004 



•157 



-42 



•004 



•165 



-419 



185 



810 



009 



•234 



-40-5 



•010 



•266 



-40-3 



18 



1080 



•016 



•311 



-39 



•018 



•396 



-385 



22'5 



1350 



•025 



•386 



-37-5 



•029 



•588 



-86-4 



27 



1620 



037 



•460 



-36 



•044 



•941 



-33-9 



31-5 



1890 



•050 



•531 



- 34-5 



•063 



1-945 



-30-9 



36 



2160 



•065 



•601 



-33 



•089 



GO 



f -27 

 [+68 



+ 68-2 



40-5 



2430 



•081 



•668 



-31-6 



•125 



1-956 



45 



2700 



•100 



•733 



-30-1 



•174 



•987 



+ 75 7 



49-5 



2970 



•120 



•795 



-28-7 



•245 



•711 



+ 85-3 



H 



3240 



•142 



•853 



-27-2 



•354 



•660 



-83-5 



58-5 



3510 



•165 



•908 



-25-8 



•540 



•780 



-78 



63 



3780 



•190 



•959 



-24-4 



•918 



1-141 



-65-1 



67-5 



4050 



•216 



1007 



-23 



2067 



2 294 



-58-9 



72 



4320 



•243 



1-051 



-21-6 



OO 



CO 



[-54 

 \+S6 

 +40-3 



76-5 



4590 



•272 



1-091 



-20-2 



2-564 



2-302 



81 



4860 



•301 



1127 



- 189 



1-459 



1-112 



+44-5 



85-5 



5130 



•332 



1-158 



-17-5 



1035 



•715 



+49-4 



90 



5400 



•363 



1-185 



-16-2 



•864 



•513 



+55-9 



