PLATE LIV. 



Figures magnified 500 diameters. 



Fig. 1. SURIRELLA ELEOANS, Ehrb.; K. B., 28, f. 23. Rab. S. D., 3, f. 2; 



Schm. At., 21, f. 18. Not the typical form. 

 Usually more like Figs. 7, 8 in outline. 



2. " SPLENDIDA, var. bifrons; A. S., = (biseriata, W. 



S., not Breb.'s form): Mik., 7, 3 A, f. 17, 20; 7, 



1, f. 2; 14, f. 36; K. B., 7, f. 10; Rab. S. D., 3, f. 21. 



Figs. 3, (7). SPLENDIDA, Ehrb. Mik., 5, 1, f. 22; 14, f. 35; S. B. 



D., 8, f. 62 ; V. H., 72, f. 4. 



Fig. 4. " SENTIS, A. S.; Schrn. At., 19, f. 9, 11. Has appear- 



ance of a very large form of Sur. fastuosa. 

 Camp. Bay. 

 ' 5. " VALIDA, A. S. ; Schm. At., 23, f. 3. Looks like an 



exaggerated form of S. spleudida. 



" 6. GUATIMALENSIS, Ehrb., = (S. cardinalis, Kitton ; 



= S. limosa, Bail.); Mik., 33, 14, f. 24; Sin. Sp. 

 T., No. 523; S. cardinalis, Schm. At., 21, f. 

 11-14; S. limosa, Mik., 1869, 179, 9, f. 5. 

 " 7. " SPLENDIDA, vide Fig. 3. 



" 8. ROBUSTA, Ehrb. Mik., 16, 3, f. 31 ; 17, 2, f. 1; 17, 1, 



f. 14; Schm. At., 22, f. 3. 4. Marine. Probably 

 a variety of splendida ; Sur. uobilis of Grun. 

 is a sporangial form of splendida. 



