PLATE XLIX. 



Figures magnified 5t)0 diameters. 



Pa«e. 

 Figs. 1, 2. (■osMAEIU^[ Wolleanum, Var. granuliferum, front and 



lateral views, . . G4 



" S— 3. CosMAKiUJr Pardalis, front, Literal and transverse views, XS 



6, 7. CosjtARlUM KHOMBUi^oiDES, front and transverse views, 66 



" 8, 9. Staubastrum Nov^ Cesake^, front and vertical views, 159 



" 10,11. Cosmakium quixarium, front and vertical views, 78 



" 12-14. Co^?5IABlUM ^-UBCEUCIFORME, front, lateral and vertical views, 94 



" 15, 16. CosiMARiUM Americanum, front and vertical views, 64 



17, IS. Cos.MARiUM taxichoxdrum, Var. RIDE^■T^LU.^^, front and 



vertical views, 77 



Fig. 19. ST.\uRASTRrJt xiPHtDioPHORUM, Var. simplis-x:, front view, 15.") 



Figs. 20, 21. CosMARiUM MiCROSPHiNCTfM, front and vertical views, . 81 



" 22, 23. STAURASTRni LfTEOLUM, front and vertical view.>!, . 139 



" 24, 25. Co.«:marium exc.\.vatum, Var. tkigonum, front and vertical 



views, . 85 



" 26, 27. CosMARiu.M LAGOENSE, front and vertical views, . . 90. 



Fig. 28. CoSMARiuM coRD.\NL'M, front view, . 59 



" 29. EuASTBUM WuLi.Ei, Var. quADRiGiBBEKU^r, vertical views, lOcS 



" 30.- MiCRASTERiAS .\mericana, Var spixcisa, front view of 



semi-cell, . .124 



Figs. 31-33. Cos^tABiUM poltmorphu.v, front, lateral and vertical view, 81 



" 34, 35. CosMAEiuM ocTOGOsrM, front and vertical views, . 71 



" 36-38. Stauraktrum orbiculare, Var. oblique and front views, 182 



" 39, 40. vSTArRAsTBr:v[ Brasiliense, Var. THinurrru.M, front and 



vertical views, . . 160 



•' 41, 42. .Staubastrum muticum, Var. kllipticum, front and vertical 



views, . 132 



