Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 614
e direction of theirlength (Fig. 253);and they are fre-quently seen to be marked by delicate I ,>:=5--i tz^i-i^ i~- - i Fi l ^^;i.^^ /3-i r/ij stransverse striee (Fig. \^ ^iFp|=ite^;i N1^ f|lf?i =; im^254), closely resem- „ ^. • ^^^ o, ,, ^ ^. . , ,. 11- ^ ,1 ^ 1 Section of the Shell of Piw?za,… … Oblique Section of Prismatic Shell-substanee. except as regards the mineralizing ingredient. If a similarsection be decalcified by dilute acid, the membranous re-siduum will exhibit the walls of the prismatic ceUs viewedlongitudinally; and these wiU be seen to be more or lessregularly marked by the…
Microscopy
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