SUBORDER ALCYONARI A. 651 



character is less distinct than in adult specimens. There are either 

 one or two rows of polyps on the opposite sides of the branchlets. 

 The main branches towards the summits are often somewhat winged. 



Gorg. sctosa, Linn., ed. xii., 1292. G. , in part, Lamour., Pol. flex., 396; 



teres, pinnata, ramulis sparsis, cortice Exp. Meth., 32 ; Encyc., 439. 



purpurascente. , Blainville, Man., 505. 



, Gmelin, Syst. Nat., 3807. Pterogorgia setosa, Ehrenb.,G. Ixxxv. ,sp. 1. 



, Esper, ii. 66, tab. 17. Lamarck and Lamouroux include with this 



Gorg. acerosa, Pallas, Zooph., 172. species the pinnata, of Ellis, and the 



Gorg. pinnata, in part, Lamk., ii. 493, sanguinolenta, of Pallas. 



No. 17. 



11. G. PTEROGORGIA TURGIDA. (Ehrenberg.) Yellow, with the 

 habit of the acerosa; eight inches high, and seven broad; pinnules 

 turgid, narrower and shorter (two inches long), with a double series 

 of pores on the sides furnished with red papillae. 



St. Thomas, West Indies. Ehrenberg. 



Pterogorgia turgida, Ehrenberg, G. Ixxxv., sp. 7. 



12. G. PTEROGORGIA VIOLACEA. Violaceous; ramose in a plane, 

 pinnate ; polyps arranged for the most part in four series, and the 

 branches therefore quadrangular; verruca nearly obsolete, contiguous. 



American Seas. 



Gorg. violacea, Pallas, Zooph., 176. G. , Lamour., Pol. flex., 408 ; Encyc., 



depressiuscula, ramoso-pinnata, cortice 443. 



violacea, poris prominulis quadrangulo. Pterogorgia violacea, Ehrenb., G. Ixxxv., 



, Esper, ii. 54, tab. 12. sp. 8. 



, Lamarck, ii. 497, No. 27. 



13. G. PTEROGORGIA LAXA. (Lamarck.) Lax ramose, flabellate; 

 branches somewhat depressed, smooth; branchlets crowded, a little 

 curving ; polyps submarginal. 



Gorg. laxa, Lamk., ii. 490, No. 7 ; Milne Edwards adds that the polyps are lateral in 

 several irregular series, with a naked medial space on opposite sides, but no sulcus 

 along the principal stem. 



, Lamour., Pol. flex., 98 ; Encyc., 440. 



14. G. PTEROGORGIA ROSEA. Rose-red ; dichotomously branched, 

 in a plane ; branches subpinnate; branchlets terete, unequally ascend- 

 ing; polyps subser i ate. 



Mediterranean, and Atlantic Ocean. Lamarck. 



