PLATE 24. 



Fig. 81. — Betepora pacifica sp. nov. Habit sketch. 



Fig. 82. — B. pacifica. A dorsal avieulariiini ((/. ar.) at the base of a 

 fenestra (fen.). X 50. 



Fig. 83. — E. pacifica. A few adult zocBcia shoAviiig secondary orifice 

 formed by the high peristome (per.), elevated frontal avicularium (av.) and 

 several ooeciiim (oe.). X 50. 



Fig. 84. — II. pacifica. A few zocecia at tlie growing tip showing primary 

 orifice (x>ri. or.), and spines. X 50. 



Fig. 85. — Betepora pacifica subsp. catalinensis subsp. nov. Portion of a 

 zooecium to show secondary orifice (sec. or.) and pore (p.). X 50. 



Fig. 86. — B. pacifica subsp. catalinensis. An adult zocecium and ocecium. 

 X 50. 



Fig. 87. — Cellepora incrassata Lamarck. A few zocecia showing i)rimary 

 orifice (pri. or.). X 50. 



Fig. 88. — C. incrassata. A few adult zoffcia and ooecia. X 50. 



Fig. 89. Cellepora costazi Audouin. A few adult zotpcia, ocecia, and 

 spatulate avicularia (sp. av.). X 50. 



Pig. 90. — Cupidaria canariensis Busk. Habit sketch of a single colony. 



Pig. 91. — c. canariensis. A few zocecia showing the vibracular cham- 

 bers (v. ch.) and long seta? (se.) alternating with the zocecia. X 30. 



