Life History of Xenopus laevis. Plate IV 
Bles. 
‘SUDLLO BSUBS UIYS 
‘qqop.nds our passad ajARs 
/ ; 
UPUOPQM Jo] 
Vol .XLI. 
peas P)0f UL. \-Ppeunds —_— 
<SiF ZPUPUDI 
yc? gtwry -ydiuhy ‘sosydguosd = -yynow 
Trans, Roy. Soc. Edin’ 
