438 



Mr. J. N. Lockyer. Discussion of [Mar. 20, 



^ s a 



03 43 



.9 © a 



q-i . © 



t a o 



o g 



©?> A 



a 



43 



O <— 1 53 



>Ph 2 



OT3 a 



ft-3 2 



.S .13 .2 



* s » 

 ©^ § 



© O 

 • © 



|S ^ 

 © -4-3 



-3 ° © 



53 rt 



•+3 CO 



v© © CO 

 ^ pQ 



-a 13 ^ 



a s 88 



9 53 © 



S ° 2 



«+H 43 ;fl 

 43 H rH . 



•a fl © t>> 



9 ^> 



51 1 a 



Kg 



1| 

 ^rfl 



© -+3 

 43 CO 



fl pq 

 _ o 



a 



ft^ 

 n a 



■So 



43 



a o 

 S 2 a 



*h -0 



. Q 



• 3 o 



as 



S3 g 



"o o 



3 § 



S fl 



■ a 



ft 



53 



a 



© 



^ a 



a p 



a 



© 



•S S 00 £ +3 



© 2 52 k°o'S o 

 .2 3 ^ .13 © w> 08 03 

 ^ '© ^ b ac<i43 a 

 2 £ # a ;a hh o^j 



Tj CO 



03 CM 

 © <M 



.a es 



3 o 



.rl 



CQ 43 

 l"H 00 



© 



53 p| 



a © 



rH -a J 



.a Eh -1 



+3 © 



S .S hi 



CO , +3 



^ "£ 



53 O S 



.3 S 



*> O 

 O 43 



CO co 



Tfl rH 



T cd 



rA © 43 



• Sh © 



-> © 53 O 



a ° © 



- ^ &4=> ° 5^ 



© 53 fr qq o 



ft w .h <yzl 43 © 



I-agsriJ 



© p p^ts 



s° S-s 



2 .-S o •§ 



a S 43 © 43 ^ 



o a gfr ©H 



.. a s o ^ . 



co © ^ © a 



53 O 43 



ft a © 



m © g fl 53 a, 



a ■ n3 tri 



V© 



_ 



© ^ 53 rl 



43 43 43 © 



§ 1^ a 



2 



a 



43 _S5 ft d 



_43 Q CO H 



O © 

 © 



a ^ 



rt _© a 



co 



„ co Pi 'rj tfi 53 



a 



TP 



,2 5 43 



S a M 



o 



© © 

 co rfl 



53 £ 



53 ^ 



•S fl 



.2 * 



,fl ° 

 4^ 



T5 

 .A 53 



.2 a g 

 .s l § 



j— j tH © 



© 











> — — ' 



© .rH 



© fl 



© c3 



©• L T'©53©.rH©53 



53 © 



00 00 







NNhhnwcocc 



iO to 



4426 

 4426 



rH r-( 



t? ^ 



4407 

 4407 



H H OJ N 



00J>1>0000 

 tPt+icocococococo 



Tfi T^J ^( 



4298 

 4298 



© • I— I 



r- 53 



©oooocoio 



co co 



OS Oi 



oo oo 



CM CM 

 tP Tfi 



CM CM 



•13 fl 



§ a 

 a .2 



^fl ^1 



43 13 q_| ,T3 

 r2 © © © 2 



1^ a 2^ 

 ^ a.| 



^- i> rH O 



t*^ rH 0' H ^ CO CM <:0 



O tx O X>»>jO!>|0»>j 



^ ^ ^ ^ ^ 



V 3 



00 



9 



in 



00 



CO 



i> 



rH 



Oi 



CJ 



oo 



*> 



CM 



CM 



CM 



CM 







TP 





