LIST OF THE TLATKS. 



IX 



PLATE CXVIII continued. 



Fi'S. 4-6. Staurastrum 



(p. 122) 

 7-10. St. Capitulum (p. 



124) 



11-14. St.pileolatum (p. 127) 

 15. St. rhabdophorum (p. 



129) 

 M l(j--20.St. muticum (p. 133) 



PLATE CXIX. 



Figs. 1. Staurastrum muticum 



(p. 133) 

 ,, 2-6. St. minutissimum (p. 



130) 



7. St. ellipticum (p. 138) 

 8-10. St. coarctatum (p. 



139) 

 11-13. St. cjrande (p. 140) 



PLATE CXX. 



Figs. 1-3. Staurastrum tjrande 



(p. 140) 

 ,, 4-8. St. Bieneanum (p. 



135) 

 ,, 9-13. St. aversutn (p. 144) 



Figs. 



PLATE CXX1. 



12. Staurastrum con- 

 s plenum (p. 143) 



3-7. St. lanceolatum (p. 

 149) 



8-9. St. pcuchyrhynckum 



( P . is!) 



PLATE CXXIL 



Figs. 1-5. Staurastrum tumid" >u 



(p. 142) 

 6 10. St. Clepsydra (p. 152) 



PLATE CXXIII. 



Figs. 1-7. Staurastrum brevi- 



spinum (p. 145) 

 ,, 8-10. St.angulaium (p. 154) 



PLATE CXXIV. 



Figs. 1. Staurastrum *"bpyy- 



mwum (p. 162) 

 2-4.- -St. 'indegan* (p. 153) 

 ,, 5-19. St. orbiculare (p. 155) 



PLATE CXXV. 



Figs. 1-2. Staurastrum orbicu- 

 lar e (p. 155) 



,, 3-5. St. siiborbiculare (p. 



159) 

 6-8. St. retusum (p. 160) 



9-10. St. tortum (p. 161) 



,, 11-12. ;S7. Cosmarioides (p. 

 161) 



,, 13-16. St. subpygmseum (p. 

 162) 



,, 17-22. St. corniculatum (p. 

 163) 



PLATE CXXYI. 



Figs. 1-2. Staurastnun tracliy- 



tithophorum (p. 165) 

 ,, 3. St. rugulosum (p. 



178) 

 ,, 4. St. botrophilum (p. 



166) 



5-6. St. turgescens (p. 167) 

 7. St. Donardense (p. 



169) 



8-9. St. alternant (p. 170) 

 10-15, 18. St. dilatatum (p. ' 



172) 



16,17,19. St. disputatum (p. 

 176) 





 



PLATE CXXVII. 



1-6. Staurastrum strio- 



latum (p. 177) 

 7. St. dispar (p. 187) 

 ,. 8-15, 17-22. St. piuictulatum 



(p. 179) 



16. St. alternam (p. 170) 

 23. St. inflatum (p. 191) 

 24. St. tunjescens (p. 167) 



