THE ALCYONAF.IA OF THE CAPE OF GOOD HOPE AND NATAL. 589 



Fig. 27. Metaleymium. patagonicum, May. Spicules of internal trunk. x 130. 

 „ 28. ,, „ ,, Spicules of external trunk. x 130. 



,, 29. . , ,, ,, Spicule of stomodseum. x 390. 



Plate IV. 



Fig. 30. Metalcyonium patagonicum, May . (a) Spicules of coeuenchyma of "pileus," x 130 ; (6) spicule 

 of same, x312. 



Fig. 31. Metalcyonium patagonicum, May. (a) Spicules of stomodasum, x 130 ; (6) spicules of tentacles, 



xiao. 



Fig. 32. Metalcyonium patagonicum, May. Spicule from tip of tentacle. x 312. 



,, 33. Alcyonium pachyclados, Kl. Spicules of external trunk. x 312. 



,, 34. ,, ,, ,, Spicules of internal trunk. x 312. 



,, 35. Metalcyonium clavafum., Pfeffer. (a) Spicules of tentacles ; (6) spicules of calyx. x 150. 



„ 36. „ ,, ,, Spicules of external trunk. x 150. 



,, 37. ,, ,, ,, Spicules of internal trunk. x 150. 



„ 38. Alcyonium rotiferum, n. sp. Spicules. x 150. 



,, 39. Metalcyonium natalensis, n. sp. (a) Spicules of external trunk ; (6) spicules of internal trunk ; 

 (c) spicules of upper coenenchyma. x 70. 



Fig. 40a. Oapnella gilchrisfi, n. sp. Spicules of polyp. x 130. 



,, 406. „ „ „ Spicules of external trunk. x 130. 



,, 40c. ,, ,, ,, Spicules of internal trunk. x 130. 



,, 41a. Eunephthya thyrsoid.es, Verrill. Spicules of polyp. x 100. 



,. 416. ,, „ ,, Spicules of external trunk. x 100. 



,, 41c. ,, ,, ,, Spicules of internal trunk. x 100. 



,, 42a. Capnella rugosa, Kiik. Spicules of polyp. x 150. 



,, 426. ,, ,, ,, Spicules of external trunk. x 150. 



,, 42c. ,, ,, ,, Spicules of internal trunk. x 150. 



,, 43. Bellonella rubra, Brundin. Spicules from upper part of polyp. x 100. 



,, 44. Alcyonium fauri, n. sp. Spicules. x 175. 



,. 45. Bellonella studeri, n. sp. (a) Spicules of outer trunk ; (6) spicules of tentacles ; (c) spicules of 

 calyx ; (d) spicule of central trunk ; (p) spicule of stomodseum. x 100 



TRANS. ROY. SOC. EDIN., VOL. XLVII. PART III. (NO. 19). 86 



