Plate 37. 
Figs. 1, 2. Microporella heermani Gabb and Horn, 1862. (p. 125.) 
1. Ordinary and ovicelled zooecia, X 20. The large dimensions, granular frontal and small 
tremopores and avicularia are illustrated. 
Pleistocene: Rustic Canyon, Santa Monica, California. 
2. The original figure of the species. 
Pleistocene: Santa Barbara, California. 
Fig. 3. Microporella gibbera, new species, (p. 126.) 
Surface of the unilamellar zoarium, X 20, showing the distinct, irregular, gibbose zooecia. 
Pleistocene: Rustic Canyon, Santa Monica, California. 
Fig. 4. Fenestrulina porosa, new species, (p. 117.) 
Surface of the incrusting zoarium, X 20. 
Pleistocene: Long Wharf Canyon, Santa Monica, California. 
Fig. 5. Cyclicopora gigantea, new species, (p. 139.) 
Surface of the incrusting zoarium, X 20, showing the extreme size of the zooecia. 
Pleistocene: Tremochal Canyon, Santa Monica, California. 
Fig. 6. Eurystomella bilabiata Ilincks, 1884. ( p. 142.) 
A fossil specimen, X 20, referred to this interesting recent species. 
Pleistocene: Dead Mans Island, off San Pedro, California. 
Figs. 7-9. Smittina californiens is Robertson, 1908. (p. 146.) 
7. Zooecia, X 20, showing thin areolar costules and the peristome formed by two lateral tuber¬ 
osities. 
8. Another example, X 20, with two small lateral avicularia and a large interzooecial avicu- 
larium developed. 
9. Surface of zooecia, X 20, with the two small avicularia, one of which has the beak directed 
upward and the other downward. 
Pleistocene: Santa Barbara, California. 
Figs. 10-12. Smittina grandicella, new species, (p. 145.) 
10. The incrusting zoarium, X 20, showing the large distinct zooecia and the distal pores in 
the peristome. 
11. Another example, X 20, not so well preserved. 
12. A zoarium, X 20, with the frontal removed, illustrating the sinuous arrangement of the 
walls, which are without septulae. 
Pleistocene: Rustic Canyon, Santa Monica, California. 
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