654 ZOOPHYTES. 



The Gorgonia pustulosa of Lamouroux appears to belong with the Pterogorgirc, and 

 is described as follows : Branches scattered, with verruca: in two sublatcral series, sepa- 

 rated by a slightly prominent line ; colour yellowish-red or miniaceous ; axis round. 

 Pol. flex., 411, pi. 15; Encyc., 445. According to Lamouroux's figure, the pustuliform 

 verrucas are rounded and unequal, and many are a line in diameter. It is eight to ten 

 inches in height. 



SUBGENUS II. GORGONIA. 



Polypis retractilibus ; retractis, zoophytarum super ficie sive levi sive 

 verrucosd, verrucis non armatis. 



Polyps retractile; when retracted, surface of zoophytes either smooth 

 or verrucose, with the verruca?, when any, unarmed with spicula or 

 scales. 



Arrangement of the Species. 



A. Cortex thin, less than half a line in thickness. Polyps closely scattered. 



I. Flabellate, throughout reticulate, without any free branchlets. 



*22. G. flabcllum. *25. G. umbella. 



*23. G. clathrus. 26. G. vcntilabrum. 



*24. G. reticulum. *27. G. verriculata. 



II. Flabellate; in part reticulate or not at all so not pinnate. 



*28. G. umbraculum. *34. G. tuberculata. 

 *29. G. cancellata. 35. G. granulata. 



*30. G. venusta. *36. G. flexuosa. 



*3l. G. stricta. *37. G. verrucosa. 



32. G. retellum. 38. G. apiculata. 



33. G. tamarix. 39. G. nivea. 



III. Flabellate; pinnate, not reticulate. 

 *40. G. flammea. 



IV. Not flabellate ; verrucee none or very short. 



41. G. virgulata. 44. G. graminea. 



42. G. miniacea. *45. G. Bertolonii. 



*43. G. sanguinea. 46. G. sasappo. 





