I'lo. 3. Muuaivn irifilt,rution inCm;umo~tr~~rr ~ ~ i ~ u i ~ h i i . ~
with cnllu of the irnmaturo hec!matocytr:
t,ylw. 1\11 t,i~uutbs uh(~\v ovi(l~ticc 0 1 ' i11filt.l.tl.t ion (H(:o I L ~ I . I ~ W H ) .
Helativaly r~~wrnal pit
iu st.cvi t,owtbr.tls tho t,ott,om right 1)1'th1- ~~hotogruph. ( I 1 ant1 E. Mag. / 75.)
'I1ili~rc iL1.t' Inany c.xan~pltw of~~col)l;tsia ill fish found in the polluted rivers
of' t hc ( ' i ~ ~ t
coi~st of Arncl-ica. ( 'oi1(:11 ( I !t(j!f) dr~cribed ;L Icsion of thch
111i~ntle ill iln At)arric:tn oyster ('msso.vlr~c~ virqinicn which c~onuistatl of'
" blsstoid " cclls which hut1 a high mitotic* i~rdex (Fig. 4) : t h ~
artiology
is still ankno\vll. ll'olf' ( l!)fi!f) dcscribc~tl two turnourn in the Australian
Roc-k 0ystt.r C'rrrs~oslren conztn~rriali~ wliich were t~entatively clisgnosed
ss " ~)i~pillt~rj. c.l)itl~c~lion~~it;t ". but t ~ n f ~ ~ t l i t l i i t ~ l ~
no search fbr metast
i I S l l i . liOti1 t 111110111~8 \\('I.(' fi)l111(i 011 tilt' illllthl' llltblltlt' 01' tile
ov~t(~1.. \\'oil' (1!131) fi)llo\rc.ci u p his I!t(i!t fi~ltlitlg 1 ) ~
~*t~l)ot.titlg a 1i~rgc~
~~c~ol)li~sttl i i r i111otllc.r Atlstl.;tlii~n ltocbk 0ystc.r \rllic*h Ili~d a volt~lnc~ rqual
t o A th(3 six(. ot' tlic, oyster (Vigs 5 7). Lt ~)rc~sc~lltc(l as a pal)illif'erous