278
MAKOTO OMOXI
a
b
, '
I
e
;I
!!
YIII. 16. %cicw ttncl p(JHt-18I'Vu. A ' u ! ~ ~ ( w
rorrcidthrn, (1, Rrrt, Z(JCU. ,'irrr@e8 wiyilw.
I), f i r v t TJMIIL. ,+,:giu Zurwu, 0 , firdt; el. wroncl c o w : (3, thircl p ( ~ ~ t - l a r v a .
clrgmw, f, fourbh zoo&. ,.lrr.!ce rorhincw~ia, y, firnt zoea (a, b, afwr CJunroy end
I,ohour, 1!440: o n, aftor Omori, lY6!ht; f, after HcMt. 1938; g, afbr Hw), 1968).
In t hc Peiitbeideu thwo arc always three protuzoeal &ages but the
numlwr of iiiiriplinr and meal stages varies dopending on the genus and
species. The nrtmbers vary according to environmental conditions, too.
And even unclcr similar or identical laboratory conditions variability
in the nurnhc~ (if intcrmoults hiis been observed frequently in individual
aninialx. Oinori ( I Q M h ) found that thcre are first and second naupliar
MAKOTO OMOXI
a
b
, '
I
e
;I
!!
YIII. 16. %cicw ttncl p(JHt-18I'Vu. A ' u ! ~ ~ ( w
rorrcidthrn, (1, Rrrt, Z(JCU. ,'irrr@e8 wiyilw.
I), f i r v t TJMIIL. ,+,:giu Zurwu, 0 , firdt; el. wroncl c o w : (3, thircl p ( ~ ~ t - l a r v a .
I,ohour, 1!440: o n, aftor Omori, lY6!ht; f, after HcMt. 1938; g, afbr Hw), 1968).
In t hc Peiitbeideu thwo arc always three protuzoeal &ages but the
numlwr of iiiiriplinr and meal stages varies dopending on the genus and
species. The nrtmbers vary according to environmental conditions, too.
And even unclcr similar or identical laboratory conditions variability
in the nurnhc~ (if intcrmoults hiis been observed frequently in individual
aninialx. Oinori ( I Q M h ) found that thcre are first and second naupliar
