PLATK LXII. 



Figs. 1, '2. STAURASTKUM AXATIXUM, , . . 152 



Fig. 3. STAUKASTUUM AXKYKOIDES, Var. iiexacernm. . 151 



" 4. STAURASTRUM ANKYDOIDKS, typical form, . . 150 



Figs. 5 7. STAURASTRUM IOTANUM, . . . . l.">n 



" 8-9. STAURASTRUM POTTSII, . . . K>ti 



" 10-12. STAURASTRUM MKCJACAXTHU.M, . l;;i 



'' 13-15. COSMARIUM PROTITHERANS, V;u . ^I.lllill.Umn, . . .91 



" 16, 17. STAUKASTRUM FORFICULAIKM, forma tetragona, . . 158 



18, 19. forma trigona,, . . 15S 

 " 20, 21. STAURASTRUM DICKIEI, front and end views. (Compare Hate 



LI, figs 5, ti), . . . . 1:55 



" 22, 23. STAURASTRUM ASPINOSUM, . . . 157 



J4-2o". STAURASTRUM MONTICULOSU.M, . . . 159 



27, 28. STAURASTRUM STRIOLATUM, .... l:!8 



' 29, 30. STAURASTRUM I.KPTACAMTHUM, Var. trftroctoreriini. . . 166 



Fig. 31. STAURASTRUM ELONGATUM, Var. tetragonum, . . 114 



Figs. 32-35. STAURASTRUM PSEUDOPACHYRHYNCHUM, two front and two 



end view.-, . 137 



" 36, 37. COSMARIUM PSEUDOBROOMEI, front and end view. . . 93 



