PLATE II. 



Figure 1. — Leuconia multiformis, var. capUlata : natural size. Uiam. 



2. — Leuconia loricata, n. sp., . . . . x 2 



3. — Leuconia dura, n. sp. ; natural size. 



4. — Leuconia Jruticosa, Haeckel, .... x 2 



5. — Pcricharax carteri, n. gen. and sp. ; natural size. 

 6. — Leucetta hceckeliana, n. sp. ; natural size. 

 7. — Eilhardia schulzei, n. gen. and sp. ; natural size. 



