250 
CLASS IV. 
PAPILLOUS. 
35. Alcyonium papillosum . In a raised mass* 
thickly covered with large convex tubercles. 
Mediterranean. 
TWO-MOUTHED. 
86. Alcyonium distomum . In thin patches sown 
with red tubercles, pierced with two openings. 
On the stems of the large fuci in the European 
seas. 
GORGONIAN. 
87. Alcyonium Gorgonioides . In small envelop- 
ing patches; cells tuberculous, with a star-formed 
opening. 
Coast of Cura<^oa, 
CORNICULATE. 
38 Alcyonium corniculatum. Four star-formed 
oscules, surrounding a central tubercle, and termi- 
nated by four upright appendages. 
Coast of Belgium. 
STELLATE. 
39. Alcyonium stellatum. Two terminating star- 
formed oscules. 
Coast of Belgium. 
ELUVIATIC. 
40. Alcyonium Jluviatile. In shapeless spread- 
ing patches, covered with pentagonal pores set close 
to each other. 
