350 



REPORTS ON THE STATE OF SCIENCE, ETC. 



HI 



in 



be 



C 



■ to '• 



o 



C 



o 



3 . 



ti a to 

 to Oi <u 



c :5 



o 



o 



wi.2 



'-' c c C 



■ a 





c 



•- o 



(U - 

 o to 



- ,, c « 



o c^'S 

 .2 y^cfi 



" 2 



to 



V 

 u 



■& 

 £ 



c 





a 

 o 



a 



O 





C 



to o 



t« 



O to -M 



Cfl 



.5 s 



w 



cs to n 



to o O 

 nj +-* +-» 



>>^ ^ 

 -5 2 2 



.a « ca 

 £ <u « 



Q to to 



oS2 



j3 

 o 



to 



ct) 



S ?i > 



4-> ^^ 



T3 *-• « O h3 

 , O 



4) 4) -a 



•« ^'J 

 c ."" 



cj £3 « 



"■""2 

 D- »> CI 



cd <U O 



M ^ ■ *^ 

 O 



a 



« o 

 05 



to 



« I 



cs <u J> 



s 



1) 4) y c "t; 



;;3 u w e iH 

 ^ S ;:; o 



o I &; 



4-' O 



O t! 

 o '^ = 



•-< > Q, to 



W) !S i^ t« 



<U O g D 



M C a 1h 



i - 



„ 2 

 o 



to t3 



U c 



a'^ 



N 



V 



3 



tJO"^ 



o W 



2 



8 

 O 



o 

 o 

 o 



I 



^ 



o 



t« 

 .a 

 o 



2 c 



CO C3 



s 



CO 



c 



4) 



y 



C 



C3 

 O 



J3 





to 



C 



2 M 



O 



CO 



c o 

 4J ca 



u cs ■ 



in 

 >, 4J 



4; 



M 



CS • • 



r; 4> W 



^ £.S 



cs O -C 



a 



3 



i 



CS 

 4) 

 l-i 



£l 



•t! =« 

 «2 



I o 



4) 



o 

 C 



u 



CS 



&• t; 

 acfi 



C3 

 4> 



to 



4J <4-l 



"" o 



c3 -^ c3^ 



C3 



O 

 O 



^:s's 



3-^ 



O 

 4> 



o 



cs cs) 



C 

 u 



o 



a 



cs c« 



wO 



gfiHOOPiU 





■3 C *i S C 







w J3<« 



M 



ca 



cs 



;m 



O 



w 



c 

 &°|2 



1- to C t, 

 M u 3 o 



o aj5 > 

 Oh 



u 



§ 



J3 





o 



ffi 



o 



o 



