IV. VERETILLIJM. ZV 



axis, and has tho four large longitudinal cavities in the centre of the 

 coral which are described as characteristic of Cavernularia and Sar- 

 cobelemnon. Can the septa between these cells have been considered 

 the rudimentaiy axis ? 



19. VERETILLUM. 



The pen club-shaped, with a short, thick, fleshy base ; the upper 

 part of the club short and thick, or more or less tapering, covered 

 with close, longitudinal rows of jjolypes ; the interspaces between 

 the polypes marked with very close, opake, imbedded granules ; the 

 opening of the polype-cells, when contracted, transverse ; the middle 

 of the coral furnished with four quadrangular tubes, and without 

 any hard central axis. 



Veretillum, Lamk. Syst. p. 381. 



Veretillum, pt., Cuvier, R. A. ed. 2. iii. p. 314. 



Veretillum, sp., Valenc. Arch, du Mm. v. p. ; Herklots, Not. p. 26 ; 



Gray, Ann. 8f Mag. Nat. Hist. 1800, v. p. 24, 1865, x. p. 73. 

 Cavernularia, Valenc. in Milne-Edw. ^ Hairnets Brit. Foss. Corall. Intr. 



p. Ixxxiv, 1850 ; Arch, du Mus. v. p. 191 ; Herklots, Not. p. 25 ; 



Gray, Ann. 8f Mag. Nat. Hist. 1860, v. p. 24. 

 Sarcobelemnon, Herklots, Not. p. 25 ; Gray, Ann. &■ Mag. Nat Hist. 



1800, V. p. 24. 



45. Veretillum cynomorium. B.M. 



Alcyonium epipetrum, Linn. S. N. ed. 12. 



Finger-shaped Sea-pen, Pennatula marina digitiformis vel Cynomo- 

 rium, miis, Phil. Trans, liii. p. 434, t. 21. f. 35. 



Pennatula cynomorium, Pallas, Misc. Zool. p. 170, 1. 13. f. 14 ; Zooph. 

 p. 373. n. 221 ; Mlis <§r Soland. Zooph. p. 05 ; Blainv. Faune Franq. 

 Zooph. t. 2. f. 1, 2 ; Itivpp. Nov. Act. Ac. Cces. Leop. N. C. xiv. t. 38. 



Veretillum cynomorium, Lamk, Syst. p. 381 ; Herklots, Not. p. 27 j 

 Milne- Edioards, Cuvier, R. A. t. 91. f; 1 ; Gray, Ann. ^ Mag. Nat. 

 Hist. V. 1800, p. 24, 1864, x. p. 73. 



Hah. Mediterranean. 



A specimen of this species in the British Museum is, I believe, 

 that described by Ellis, on the Sea-pens, as Cynomorium (Phil. 

 Trans. 1765, vol. liii. p. 434, t. 13. f. 3) ; for it has the label on it, 

 written by my late uncle, who died in 1806, like the label on tho 

 specimen of Siren, which was presented by EUis. It certainly has 

 no appearance of any hard central axis, unless the rather hard septa 

 between the central cells may be considered an axis ', if they are, 

 then the same kind of axis is found in each of tho other species 

 which I have referred to this genus. 



46. Veretillum obesa. 

 Cavernularia obesa, Valenc. I. c. ; Milne-Edw. <§• Haime, I. c. p. 191. 



Hah. Mediterranean. 



Only tho name given, not described nor figured : is it the same 

 as the former ? 



