EXPLANATION OE PLATE XXVIII. 
Pig. 1. Glcnodinium rubrum, sp. n., dorsal aspect x 1000. 
2. 
Ditto 
ventral aspect. 
3. 
Ditto 
example without the cuirass. 
4. 
Ditto 
empty cuirass. 
5, 6, 7. 
Ditto 
examples showing the formation of the 
resting spores. 
„ 8. Gymnodinium spiv ale, Bergh., after Bergh. 
„ 9-15. Dinophysis homunculus, Stein., showing progressive phases 
of development ; highly magnified. 
,, 16. Ditto example dividing by longitudinal 
fission. 
