INTRODUCTION. lxxvii 



Second Tribe— TUBIPORINtE. 



Polypi fasciculate, and provided with independent tubular polypidoms, united at 

 various heights by means of horizontal connecting plates, the surface of which produces 

 the reproductive buds. 



9. Genus Tubipora. 



Lamarck, Hist, des Anim. sans Verteb., vol. ii, p. 207, 1816. 

 Typ. sp. Tubipora musica, Lamarck, loc. cit., p. 209. 



Third Tribe— TELESTHIN^E. 



Polypi segregate and multiplying by lateral gemmation, so as to form arborescent 

 tufts. 



10. Genus Telestho. 

 Lamouroux, Polypiers Flexibles, p. 232. 



Polypidom composed of ramified tubes of a subcalcareous structure. 

 Typ. sp., Telestho aurantiaca, Lamouroux, loc. cit., tab. vii, fig. 6. 



Fourth Tribe— ALCYONINtE. 



Polypi aggregate and multiplying by lateral gemmation, so as to constitute a ramified, 

 lobate or simple mass. 



11. Genus Alcyonium. 



Pallas, Elencbus Zooph., p. 342, 1766; Lobularia, Savigny, ap. Lamarck, Hist, des Anim. sans Verteb. 



vol. ii, p. 412, 1816. 



Polypi retractile, and united by a thick tough common tissue, so as to form gibbose 

 or subramified masses. 



Typ. sp., Alcyonium diyitatum, Lin. Solander and Ellis, op. cit., p. 175. 



