LIST OF THE PLATES. 



Figs. 



Figs. 



Figs. 



,, 

 ,, 



Figs. 







PLATE XCVI. 



1-2. Cosmarium Botrytis 

 (P- 1) 



PLATE XCVII. 



1-6. Cosmarium Botrytis 



(P-l) 

 7-8. C. controversum (p. 9) 



9-11. C. tuberculatum (p. 



42) 



PLATE XCVIII. 



1-7. Cosmarium ochthodes 



(p. 10) 



8. C. coronatiim (p. 13) 

 9-15. C. crenatum (p. 35) 



PLATE XCIX. 



1-6. Cosmarium consper- 



sum (p. 13) 

 7. C. Log ie use (p. 16) 

 8-10. C. margaritatum (p. 



18) 



PLATE C. 



1. Cosmarium margari- 

 tatum (p. 18) 

 2-6. C'. Quadrum (p. 20) 

 7-9. C. Pseudobroomei (p. 



22) 



10-11. C. Subbroomei (p. 23) 

 12. C. Broomei (p. 24) 



PLATE CI. 



biretvin 



PLATE Oil. 



Figs. 1-6. Cosmarium amcemnn 



(p. 29) 

 ,, 7-12. C. pseudamoenum (p. 



31) 



13-18. (7. annulatum (p. 39) 

 19-21. C. elegantissimum (p. 



40) ' 

 22. C. pundulatum (Con- 



sult Vol. Ill, p. 207) 



Figs. 



(p. 25) 



PLATE CIII. 



1. Cosmarium 



(p. 44) 

 ,, 2-3. C. prom inulu m (p. 



46) 



,, 4. C. Portia mini (Con- 



sult Vol. Ill, p. 166) 

 ,, 5-6. C. Gayanum (p. 7) 

 ,, 7. C. Pseudobroomei (p. 



22) 



8. C. Botrytis (p. 1) 

 ,, 9. C. omcenum (p. 29) 



10. C. Wittrocldi (Consult 



Vol. Ill, p. 179) 

 11-13. C. taxichondrum (p. 



45) 



14. Xaiitliidinm subhasti- 

 ftrum (p. 56) 



PLATE CIV. 



Figs. 1-5. Xanthidinm armatum 

 (p. 51) 



PLATE CV. 



Figs. 1-5.- Xanthidium anuatn,t> 

 (p. 51) 



