Some Phases of the Gastrulation of the Tlorned Toad 
342 
‘SIOJOUIVIP 0NZ X “6 “STW !SiojouIRIp 006 X °8 “SIA “HTOA “9 °2 $ AOTIOYS0d “a : [TBM [eUTOL.es “A -unw : ayRi[d 
aATputad “udp Sasetqoday -7qQ, -y -4seR[qide “7q,*a !st~esaop Bpaoyo “p pa ‘adtodoyseq “od, 1q :1OLI0jUB “DD “Bpazogo Soul0d0q 41 
e194M JO 9dpa AIBA OYI YB JSBTqosour wItOf 07 UL SUTTAINY YsR[qIde oY} SMOYS 4] ‘JUST OY} OF UOTZOES YxOU 949 ST BSI *peyBagjo 
A]QQSIYS T[YS St Borw oruOAAQqud SOUL “UBIPOU SI g°oIq “Gg “BIW UY Jepjo [TMs 96R4S BJO SUOTJOOS [RUIPNJISUOT "6 ANY g “SDIY 
‘6 “DIT 
SO 
RO! 
Roan 
A 
RONG 
Ks Oanan 
es 
