LIST OF THE PLATES. 



PLATE CXXIX. 



Figs. 1. Staurastrum 



fn in (vol. iv, p. 176) 

 2-5. St. (flab nun (p. 2) 

 ,, 6-8. St. apiculatnni (p. 6) 



9-13. Sf. dejcrfnni (p. 7) 

 14-16. St. Dickiei (p. 3) 



PLATE CXXX. 



Figs. 1-5. Staurastrum dejectum 



r (P- 7) 

 ,, 6-9. St. coiDHitHiH (]>. 15) 



10-14. St. >nucroii'(f>/iii (p. 



,, 







15-16. St. curvattun (p. 19) 

 17-18. St.jaculiferum(p. 16) 



PLATE CXXXI. 



Figs. 1-6. Staurastrum 



f era in (p. 16) 



7-10. St. megacanthum (p. 

 20) 



PLATE CXXXII. 



Figs. 1-4. Staurastrum pfcro- 



sporum (p. 14) 

 5-9. St. O'Mearii (p. 13) 

 10-12. St. arixtifenuH (p. 22) 

 13-12. St. cuspidatum (p. 23) 

 20. St. leptodenuuin (p. 

 27) 



55 



55 



Figs. 



J5 



55 

 55 



55 

 55 



55 

 55 



Figs. 



55 

 55 



55 



55 



PLATE (.'XXXIII. 



1. Staurastrum ruspi- 



tl (if inn (p. 23) 



2-3. St. pscudocitxp id at u t 

 (p. 26) 



4. St. ttltH/'txciUilUH (p. 



28) 



o.St. U(/eri (p. 28) 

 6-7. St. subcruciatum (p. 



42) 



8-12. St. Aricula (p. 40) 

 13-15. St. denticulatum (p. 



38) 



16. St. corn u/ nni (p. 31) 

 17-22. St. Inna1iun (p. 29) 



PLATE CXXXIV. 



1-3. Staurastrum loinji- 



spinum (p. 33) 

 4:.St.bifidum(p.32) 

 5 St. quadrangulare (p. 



37) 



Figs. 



55 



55 



6. St. aciculiferum (p. 



171) 

 7. St. spiniferum (p. 50) 



PLATE CXXXV. 



1-4. Staurastrum Simonyi 



(p. 45) 

 5-7. St. quadrispinatum 



(p. 38) 



8-10. St. punijcnx (p. 44) 

 11-13. St. Bi-axilicnse (p. 35) 

 14-15. St. Gat '> (p. 32) 



