I'LATK XUX. 



Figures nuimiilicil .Mm ili:mieters. 



I'AiiK. 

 FlgS. 1, 2. Cos.M.VIfil'M WOLLKANTM, Var. < . II \ NTU KKIM'M, front and 



lateral view^. . . .114 



" 3-o. CosMARlfM PARPALIS, front, lateral and transverse \\>-w<. S3 



" 0,7. CO-MAKUM i:n<i.Mi:r-nii)i>, front and transverse views, . (if> 



" S, 9. STAURASTIM-M NOV.F. * 'i.~\i:F i , front and vertical views, 1 o9 



" 10,11. ( 'MS-MAIM CM ^IMXAKII'M, front :ml vertical views, . . 78 



" 12-14. CosMARIUM B17BCBOCIFORME, front, lateral amf vertical views, ^4 



" lo, Ki. COSMARICM AMKRICANTM, front and vertical views, . . !4 



" 17, IS. CMS .\l\IMt M TAXH HMMUM'M, V;ir. I'.I ]>KN'IT I. I'M, front iillfl 



vii-tical views, . . .77 



Fig. 19. STAURASTRTM XM'inDiomoKr.M, \'ar. SIMTI-KX, front view, l")-"> 

 Figj*. 20, 21. CosMARir.M .MICKMSI-IIIM i TM. front and vertical views, . 81 



" 22, 23. STAUKASTRUM LfTKMl,r.M, front and vertical views, . 139 



" 24,25. COSMARIUM KXCAV \Tf.\i, \'ar. iKn.o.vrM, l'r.>nt and vertical 



views, . . . .85 



" 26, 27. COSMARII M i, A(;MKN>I:, front and vertical views, . . 90 



Fig. 28. COSMARIUM CORDANUM, front view, r>9 



" 29. EUASTRUM WOI.I-EI, Var. QUADRIGIBBERUM, vertical views, . 10X 

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



semi-cell, . . . 124 



Figs. 31-33. COSMARIUM POLYMORPHUM, front, lateral and vertical view, 81 

 " 34, 35. COSMARIUM OCTOGOXUM, front and vertical views, . .71 



" 36-38. STAURASTRUM ORBICUI.ARE, Var. ohlique and frnt view>. 132 

 " 39, 40. STAURASTRUM BRASILIENSK. Var. PUI^UKTUM, front and 



vertical views, . . . 1<',0 



" 41,42. STAURASTRUM Mtmru.M, Var. KIJ.IPTKTM, front and vertical 



views, ..... 132 



