Q rt 

 c 



o 

 o 



o 





Biological Field Stations 23 



rt tJo'^'rf 1 ^ 5s '3^ ^ r ^d M -^ ^ -^ 



w .s||.sh 1^ 1 I^'H 1 



O tu t |^ a3 : ; 5'S'gQ'oi'o> '^^Z'od'rt >;^^ >;n'Sc^^ <% 



fllg g ^|ss| 5j. H |g 6 ^ |^f |r 



gS^s^t; rg o - .. o a 5 o s a) S x m ^j o J 



2 1 11 s |l 1 S II 11 < 1 |l 1 1 "1 1 1 1 1 i 1 1 ^ I -s =y| g 



O o^,J|<1cowJ)hJ o <5 o^|^ < ^fe g-PQfQ O ^_|^^ 



- MH ^ i I > i C/2 (Jj ^J ' i o CC 



O i (N rO -f lO O 1^ OO 



M 0) O4 M ^1 D M 01 M 



hn*-<U 



I^Hi 3- ..fl-S-ilgj 



N^ . > Q.Si o o x;0to ^ _) g.| 



u 



G fa S 3 fe H fe 



1-1 C 



PQ .... 



O" 1 - 1 "1 1-1 h-l l-l l-l I-H l-l 



\r * * * * * * * 



,X, 0) 



^^ o o r -^ *~~^ ^ * * T T^J ' - o vs M i ' CD o ' ' ' c DO} 



O 



