i'LATE I'd. 



I'iGS. 1.2. Frondicularia advena. X30. Figure 1, front view of microsplieric 

 specimen ; figure 2, front view of megalosplieric specimen. D2205. 



3. Frondicularia. species. X30. Front view. D2192. 



4. Frondicularia sagittula, var. lanceolatu. X25. Front view. D2399, 



19S 



