PLATE X. 



OCULINA, ASTROHELIA. 



Page. 



Figs. 1 to 2a. Ociilina singlci/i sp. iiov 120 



A A.I Figs. 1 and 2, two specimens, natural size; fig. la, a calice Iroui specimen shown by 

 ■^ ■ fig. 1, and fig. 2a a calice from specimen by fig. 2, both x 3J. 



FiGSj_3 to 3b. Aairohelia biirnsi sp. nov 115 



-^ Figs. 3 and 3a, views of two specimens, both natural size; fig. 3b, a calice, x 3i. 



Figs. 4 to 10. OciiUna vicksbtirgeyisis (Conrad i 116 



Fig. 4, a specimen, natural size, from the Philadelphia Academy of Natural 

 Sciences, and probably Conrad's type; fig. 4a, a calice, X 3J; fig. 5, one of the 

 types of Milne-Edwards and Hairae's .UtroheHa Icsueuri, in the Musc-nm d'Histoire 

 V Naturelle, Paris, length of specimen 49 mm.; fig. 5a, a calice enlarged, diameter 



4 mm.; figs. Gaud (5a, copies of Milne-Edwards and Haimc's original figures of 

 Aatrohelia lesiieuri; fig. 7, general view, 5 natural size; figs. 8, 9, and 10, gen- 

 eral views of specimens, natural size; fig. 8a, a calice from specimen represented 

 by fig. 8, X 3i. 

 Fig. 7 drawn by ,1. Henry Blake; all others by Ur. J. C. McCounell. 



228 



