EXPLANATIONS AND REFERENCES, 



PLATE LX. 



Figures magnified 5<M) diameters. 



PAGE. 



Figs. 1, "2. COSMARIUM WOLLEANUM, Var. GRANULIFERUM, front and 



lateral views, . . 29 



Fig. 8-5. COSMARIUM PARDALIS, front, lateral and transverse views, , 31 



Figs. 6, 7. COSMARIUM RHOMBUSOIDES, front and transverse views, . 28 

 " S, 9. STAURASTRUM NOV.E CAESAREJE, front and vertical views, 



" 10, 11. COSMARIUM QUINARIUM front and vertical views . . 32 



Fig. 12-14. COSMAR.IUM SUBCRUCIFOBME, front, lateral and vertical views, 33 



Figs. 15, 10. COSMARIUM. AMERICANUM, front and vertical views, . 29 

 " 17, 18. COSMARIUM TAXicHONDRUM, Var. BiDENTULUM, front and 



vertical views, . . 32 



Fig. 19. STAURASTRUM XIPHIDIOPHORUM, Var. SIMPLEX, front view, . 44 



Figs. 20, 21. OOSMARIUM MTCROSPHINCTUM, front and vertical views, . 32 



" 22, 23. STAURASTRUM LUTEOLUM, front and vertical views, . . 43 

 " 24, 25. COSMARIUM EXCAVATUM, Var. TRIGONUM, front and vertical 



views, .... 30 



" 26, 27. ("OSMARIUM LAGOENSE, front and vertical views, . . 34 

 Fig. 28. C'OSMARIUM CORDANUM, front view, . . .27 



" 29. EUASTRUM WOLLEI, Var. QUADRIGIBBERUM, vertical view, 37 

 " 30. MICRASTERIAS AMERICANA, Var. spiNOSA, front view of 



semi-cell, . . 39 



u 31-33. COSMARIUM POL.YMORPHUM, front, lateral and vertical views, . 31 



Figs. 34, 35. COSMARIUM OCTOGONUM, front and vertical views, . . 33 



Fig. 3tt-38. STAURASTRUM ORBICULARE, Var., oblique and front views, . 41 

 Figs. 39, 40. STAURASTRUM BRASILIENSE, Var. TRIQUETRUM, front and 



vertical views, . . .46 



" 41, 42. STAURASTRUM MUTIGUM, Var. ELTJPTICUM, front and vertical 



views. 41 



