ALCYONARIA, is) 
PLATE II. 
Fie. 11.—-Ceratoisis delicatula. A few branches of a colony, x 2. 
12 —Ceratoisis delicatula. a, Spindle-shaped spicule ; 4, triangular plate, x 100. 
_13.—Ceratoisis antarctica. A terminal branch, x 12. 
14.—Ceratoisis antarctica. a, Spindle-shaped spicule ; 0, plate, x 100. 
15.—Ceratoisis antarctica. View of corona and folded tentacles, to show the arrangement of the 
spicules, x ca. 50. 
16.—Ceratoisis spicata. A branch, x 2. At. the horny nodes may be seen. 
17.—Ceratoisis spicata. Side view of a calyx, x ca. 30. 
18.—Ceratoisis spicata. Spicules. a, Forked spicule of a calyx; 6 and ¢, irregular spicules of the 
ccenenchym and calyx base, x 50. 
19.—Thouarella antarctica. A spicule of the corona, x 60. (See also Fie. 24.) 
20.—Clavularia frankliniana, Nat. size. 
21.—Clavularia frankliniana. Spicule of body wall, x 75. 
22.—Aleyonium paessleri. Nat. size. 
23.—Aleyonium paessleri, a, Short club spicule of the coenenchym, x 150; 0, long spindle-shaped 
spicule of the body wall of an anthocodia, x 100. 
24.—Thouarella antarctica. A small piece of a branch of a dried specimen, drawn from a photograph, 
X ca. 20. 
