6. T H E PHYLUM PROTOZOA
155
Gametocysts found in the crustacean host’s rectal region measure
about 80 p in diameter.
FIGS. 39 and 40. Ponetration of mollusc by Nematopk Zegeri gymnospore. (39) A
gymnospore penetrating gill lamella of host ; (40) two gymnospores penetrating
gill lamella of host. Notice the formation of minor lesions in Fig. 40. (Redrawn
after Hatt, 1931.)
155
Gametocysts found in the crustacean host’s rectal region measure
about 80 p in diameter.
FIGS. 39 and 40. Ponetration of mollusc by Nematopk Zegeri gymnospore. (39) A
gymnospore penetrating gill lamella of host ; (40) two gymnospores penetrating
gill lamella of host. Notice the formation of minor lesions in Fig. 40. (Redrawn
after Hatt, 1931.)