Plate 46. 
Fig. 1 . Iloloporella turrita Smitt, 1873. (p. 179.) 
The fossil example, X 20, referred to this recent species. 
Pleistocene: Mount Hope, Panama Canal Zone. 
Fig. 2. Holoporella aviculi/era, new species, (p. 179.) 
A portion of the incrusting zoarium, X 20. A small avicularium in the peristome is visible. 
Pleistocene: Mount Hope, Panama Canal Zone. 
Figs. 3-6. Cyclicopora multilamellosa, new species, (p. 138.) 
3. Surface of the free orbicular zoarium, X 20, illustrating the form of the zooecia and ovicell. 
4. Zooecia X 20, with a large transverse avicularium. 
5. Ordinary zooecia, X 20. 
6. Interior of zooecia, X 20. The tremocyst is visible through the very thin olocyst. 
Pleistocene Mount Hope, Panama Canal Zone. 
Fig. 7. Holoporella mucronata, new species, (p. 179.) 
The incrusting zoarium, X 20, illustrating the large areolar pores and prominent oral mucro. 
Pleistocene: Mount Hope, Panama Canal Zone. 
Figs. 8, 9. Acanthodesia savartii forma texturata Reuss, 1847. (See also pi. 5, figs. 1-5.) (p. 32.) 
Surface of two small unilamellar examples, X 20. 
Pleistocene: Vero, Florida. 
Fig. 10. Hemiseptella tuberosa, new species, (p. 71.) 
The incrusting zoarium, X 20, showing the irregular inferior border of the opesium. 
Pleistocene: Simmons Bluff, Yonges Island, Charleston County, South Carolina. 
Figs. 11, 12. Membranipora osburni, new species, (p. 24.) 
11. The incrusting zoarium, X 20, illustrating the thin, rounded mural rim, the tubercles, and 
the small, concave proximal cryptocyst. 
Pleistocene: Mount Hope, Panama Canal Zone. 
12. Ancestrular region of a zoarium, X 20, referred to this species. 
Miocene (Bowden marl): Bowden, Jamaica. 
Fig. 13. Terebripora pacifica, new species, (p. 15.) 
The type specimen, X 10, showing the small pyriform zooecia separated by one to two times their 
length. 
Pleistocene: Santa Barbara, California. 
290 
