Plate 35. 



Fig. 1. PuelUna radiala forma scripta Reuss, 1847. (See also pi. 15, fig. 12.) .p. 89.) 



Well-preserved zoarium, X 20, with elongated zooecia and well-developed avicularia and spines. 

 Pleistocene: Santa Barbara, California. 



Figs. 2, 3. PuelUna heermanni Gabb and Horn, 1862. (p. 89.) 



2. Several zooecia of the incrusting zoarium, X 20, shomng the wide costules and the oral spines. 



3. A single zooecium, X 20, illustrating the rectilinear proximal liorder of the apertura. 

 Pleistocene: Santa Barbara, California. 



Fig. 4. Metiacolposa inucronata, new species, (p. 92.) 



The incrusting type specimen, X 20, showing the large keeled ovicell. 



Pleistocene: Santa Barbara, California. 

 Figs. 5-8. Hippolhoa hyalina Linnaeus, 1768. (p. 92.) 



5. Portion of a zoarium, X 20, illustrating the three lands of zooecia. 

 Pleistocene: Santa Barbara, California. 



6. A zoariimi, X 20, formed almost entirely of ordinary zooecia and showing the ancestrula. 



7. A small incrusting patch, X 20, with ordinary zooecia only. 



8. A mature example, X 20, in which the irregular arrangement of the male zooecia gives a 

 celleporoid effect. 



Pleistocene: Dead Mans Island, off San Pedro, California. 

 Fig. 9. Hippolhoa hyalinn, var. rugosa, new variety, (p. 94.) 



Type example, X 20, showing the characteristic frontal wrinkles. 



Pleistocene: Santa Barbara, California. 

 Fig. 10. Schizolavella vulgaris Moll, 1803. (p. 108.) 



The Pleistocene specimen referred to this species, X 20. 



Pleistocene: Santa Barbara, California. 

 Fig. 11. Schizomavella longirostrala Hincks, 1883. (p. 109.) 



A fossil example referred to this recent species, X 20. The large avicularium and the very small 

 tremopores are shown. 



Pleistocene: Santa Barbara, California. 

 Figs. 12-14. Trypematella papulij'na, new species, (p. 135.) 



12. Surface of the unilamellar zoarium, X 20, showing uno\'icclled zooecia. 



13. A zoarium, X 20, bearing o\'icell. 



14. Transverae section of the hollow tubular zoarium, X 20. 

 Pleistocene: Rustic Canyon, Santa Monica, California. 



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