BROYZOA 



109 



Fig. 7a. Smittia pileata sp. nov. X 25. From N° 619. 



7b. do do Operculum X 85. 



8. Smittia dentata sp. nov. X 25. From N° 6i5. 



g. Smittia crassatina sp. nov. X 25. From N° 288 (PI. III, fig. 7). 



10a. Smittia dirccta sp. nov. X 12. From N° 683. 



100. do do Zoœcium. X 25. 



ioc. do do Xatural size. 



iod. do do Transverse section of one zoœcium, showing (rp) rosette 



plates ; (ly) lyrula. X 25. 



11. Smittia repens sp. nov. X 12. From N° 428. 



12a. Cellepora horiicroidcs sp. nov. Natural size. 



12b. do do Dorsal surface. X 12. From N° 567. 



12c. do do Aperture and avicularium. X 85. 



12(7. do do Anterior surface. X 25. 



12e. do do Operculum. X 85. 



12/. do do Mandible. X 25o, and X 85. 



PLATE V 



Fig. in. Systenopora contracta sp. nov. X 25. From N° 683. 



Natural size. 



Avicularian mandibles, (c) oral, (d, e) zocecial, (f) inter- 

 nai. X 85. 

 Transverse calcareous section. X 12. From N° 621. 

 Transverse calcareous section of one zoœcium showing 

 the rosette plate, over which there are the pair of 

 irregular processes. X 25. From X" 216. 

 11. do do The processes more magnifiecl. 



ik. do do The interior as seen in thick section, prepared in order 



to show the interior triangular avicularia by the side 



of the aperture. The ovicells are also seen. X 25. 



il. do do Section showing the oral aperture with the interior 



avicularium (av), the external one (ex), and the 

 ovicell (0). X 25. 

 nu. do do Decalcified sections eut through the shorter axis, 



showing a reticulate connection between the two 

 lavers of zoœcia. / 25. From N° 612. 

 m w do do Longitudinal section showing the latéral wall, with the 



latéral rosette plates, ovicell (0), and the processes 

 (sp) over the distal rosette plates. X 12. 

 io. do do , Rosette plate. X 85. 



!* do do Embryo showing layer of cilia separated from the 



surface. X i5o. From N° 612. 



