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ZOOPHYTOLOGY. 



DESCRIPTION OF PLATES. 

 Plate IX. 



Fig. 



1. — Alecto granulata ? natural size. 



2. — Id. magnified. J. Alder, del. 



3. — Lepralia ringens. 



4. — Single cell, more highly magnified. 



6. — Surface of cell more highly magnified. J. Alder, del. 



6. — Alysidota Alderi, natural size. 



7. — Portion magnified. J. Alder, del. 



8, 9. — Lepralia fissa. 

 10. — Young cell from edge of patch. 



Plate X. 

 1, 2. — Lepralia lata. 



3, 4. — L. unicornis. 



5, 6. — L. Peachii (var. labiosa). 



Plate XI. 



1, 2. — Lepralia pallasiana (var. artnata"). 

 3. — L. Landsborovii ? 



4, 5. — L. punctata f 



6, 7. — L. californica. 



Plate XII. 

 1, 3. — Eschara crihraria. 

 4. — Memhranipora hexagona. 



