12 INVERTEBRATE ANIMALS. 



Group 33.— Sub-Family EU SMILING (Milne Edwards) 

 and allies, h, intensive ; o-ja/xj], a blade. The name 

 alludes to the well shaped and prominent blades which 

 form the rays of the calices. Estimated number of 

 species : recent, 54 ; British, ; fossil, 248. Meso- 

 zoic and Kainozoic. 



Group 34.— Section STYLASTERACE^. <7tvXov, a pillar ; 

 ctcTpov, a star. Estimated number of species : recent, 

 13 ; British, ; fossil, 0. 



IT Corals small in size, but of rare beauty in colour, 

 and peculiar in their form, which somewhat 

 resembles that of espalier trees. From Aus- 

 tralia and the Pacific. 



Group 35. — Genus OCULINA (Lamarck) and allies. 

 Estimated number of species : recent, 18 ; British, ; 

 fossil, 18. Chiefly Kainozoic. 



% The group includes the White-Coral of the 

 Mediterranean, and some very interesting 

 species from Northern Seas. 



Group 36. —Family TURBINOLID^ and alHes. Turho, 

 a top. Solitary corals, more abundant in former periods 

 than at present. Many of the existing species were 

 unknown before the comparatively recent use of the 

 dredge in deep waters for scientific purposes. Estimated 

 number of species : recent, 47 ; British, 3 ; fossil, 134. 

 Mesozoic and Kainozoic. 



H Turbinolia, British ; presented by R. McAndrew ; 



Caryophyllia, Flahellum, Sphenotrochus, &c. 

 Glass models of the polypes in their proper colours. 



