Plate 34. 



Figs. 1-3. Cnllopnm cirrinnrlnlhrald Hincks, 1881. (p. 43.) 



1. Well-preserved specimen, X 20, mth ovicells and avirularia. 



2. Zoarial surface, X 20, sho^ring the zooecia, avicularia areolar spaces, and the dietellae. 



3. An ovicellod specimen, X 20, vnth large avicularia. 

 Pleistocene: Long Wharf Canyon, Santa Monica, California. 



Fig. 4. Rhniiiphonolus multispiiiatus, new species, (p. 47.) 



The incrusting type specimen, X 20, show-ing the two sizes of spines, a ])air of large ones which 

 constrict the opesium and numerous smaller ones. 



Pleistocene: Santa Barbara, California. 

 Figs. 5-7. Cupularia roberlsoniae, new species, (p. 82.) 



5. The disk-shaped zoaria, natural size. 



6. External inferior face, X 20. 



7. Internal superior face, X 20. 



Pleistocene: Long Wharf Canyon, Santa Monica, Calitornia. 

 Fig. 8-10. Chaperia galeata Bvisk, 1853. (p. 52.) 



8. A Pleistocene example of this widespread recent and fossil species, X 20. 

 Pleistocene: Santa Barbara, California. 



9. 0\'icelled zooecia showing the characteristic rectilinear distal border. 



10. Another fragment, X 20, with one complete ovicell and the spines and avicularia well shown. 

 Pleistocene: Rustic Canyon, Santa Monica, California. 



Figs. 11-14. Cellaria mandihulata Hincks, 18S2. (p. 86.) 



11. A segment, X 20, showing a large avicularian zooecium. 



12. Another fragment, X 20, with an avicularian zooecium. The round orifice of the inferior 

 zooecium is the jiassage for the cornei:His joint bearing another segment. 



13. An ordinary segment, X 20. 



14. Several fragmentary segments, natural size. 

 Pleistocene: Los Angeles, California. 



Figs. 15-18. Cellaria Jissurifem, new species, (p. 85.) 



15. A worn segment, X 20. The opening of the ovicell is very narrow. 



16. Segment, X 20, liearing zooecium with round orifice through which the chitinous joint of 

 another segment passed. 



17. Segment, X 20, with rhomboidal zooecia and bearing two a^iculal■ia. The orifice of tlie 

 o\'icell is a narrow elongated fissure. 



18. Several fragments, natural size. 



Pleistocene: Rustic Canyon, Santa Monica, (.California. 

 Figs. 19, 20. Cellaria diffusa Robertson, 1905. (p. 86.) 



A segment natural size and enlarged, X 20, illustrating the characters of this beautiful species. 

 The orifice of the ovicell has the characteristic proximal tongue. 

 Pleistocene: Rustic Canyon, Santa Monica, California. 

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