436 



Canadian Record of Science. 



X 



X 



X 



CM O © © CO -tf O CO — i 



© IQ ^ 10 CO i-^ 10 cm © 



t*T I ©"©"©" I ©"©"**" r-H^o" 



LO ' CM 



»0 © 1- © © I- Ol CC 



■^ co © co © co © ic 



©-H©" I ©"©"t»<"©"©' 



CM ^ 



8f- I I 



LO >0 © © 



CM H CO "* 



©cc I ©' 



LO lOW 



-* © T* 



-*" I co"©" I I ©" I © ho 



lO CM 



LO © 



LO -H 



LO ' <M 



© "* 



CO ©_ 



I ©" I I © 



LO © © 



CC 1- iO 



f-T | co | ©" 



lo ' cm 



CC CO © © 

 1^ CO L- CN 



•*JH CC -^ LO 



CC CO CO © 

 I co" I LO©"©" 





LO © © , © H 



CO © CN £ © © 



H I CC" I ©" OifH *- 



lO CM CC 



CI 



© © LO © © 



I co"©"io">-h"©" 



CC . © © to 

 t^ ^ ©^© <* 



I t-c 5-lo"©"©" 

 co 





© ,_ © 



r— i CO ?o 

 ~L© ~ 



© W I 



© CO C5 

 CO © <® 



©~cm"o»' 



© I 



co © Lr 



"S3 



co © zi 



© CO *? 



CM © l>- 



co © © 

 ©" cm" of 



© I 



© CM CM 



2 I 



X 



© © . © . — ( CC CM 



CO . CC , £ r-i ~ CO © CM 



<* I ©" I Oh—'" Q*tH©"©" 



LO CN CO ^ CO 



© © 



CN CM 



tJh" I ©" 



O ' CM 



>C 



0--H P<Tt< © © 



CO ^ CO 



© CM . © 

 CC CM ^ 1- 



CI 



§ 



>0 CM CO CC © 



© 



1 



©^ © b CM <-< CM CM 



©" | i-T a-cc"©">o"©' 



© CM © . i 



©^ CO LO h c 



LO ' CM ' CO ' 



'©"•<*"©" I 



CC —i LO -^ CC LO © 



-* © !>• CM © CO © 



cc" I co"©" I I f-T©"tJh"©" p., 



LO ' CM ' ' rH CO 



CO LO r-H © CO 



t- rH © £ —i CO 



i>m I I cm" £.-<* ,-t 



CM ' ' f-, CO 



© 



©" P^LO" 



co 



© hCC © CC CM 



LO , "* t^ tJH CO cc 



lo" i lo"cm I I -T I -*"©" 



LO CM r— I 



© LO t^ HHC* 



©" I t^©" I I ©"©"lo"©" 



CO © CO ^ © CO-H -H 



CM LO CC CM CO l-~ © —h 



©"©"i^cm"-*" I co"co" I I h 



cct^cocc©— < t— © 

 co © co ©^t^i^-^ 



©"©"cc"rH"©"©"cM"-^" I 



IO rH CM 



t- CC 



© ~ 

 © CM 



CO © 



or® 



35 CM 



© © 

 o CO 



© CC 



. . © 



CMLO 

 ©*'* 



ow 





CCH^HHfSrioSr^r^W 



o u N co 



550 eg 



CO 



