296 Rev. T. Hincks's Catalogue of Zoophytes. 



The synonymy of the present species will stand as follows :— 



C. vaginata, n. sp., Hincks. 



Coryne, Lister, " Observat. on the Struct, and Functions of Polypi and 



Ascidia3," Phil. Trans. 1834, pi. 10. fig. 3. 

 C. ramosa, Johnst. Brit. Zooph. 2nd edit. p. 42, pi. 6. figs 4, 5. 

 C. ramosa, Gosse, ' Devonshire Coast.' 

 tHermia glandulosa, Hassall, Annals for 1841, vol. vi. pi. 6. fig. 2. 



The polypes of C. vaginata are slender and fusiform, tapering 

 off towards the mouth and downwards, and prolonged below 

 into a narrow neck of some length. The upper extremity of the 

 body is opake-white, and the central portion of a reddish-brown 

 colour. The tentacles, which are less numerous than in C. ra- 

 mosa, are commonly bent inwards, and have roseate tips. The 

 slender base of the polype is surrounded by a membranous cup- 

 like sheath or dilatation of the polypary, which extends nearly 

 to the lowest tentacles. This is a very striking character. 



There is always a small, definitely-shaped portion at the base 

 of the branches which is not annulated. The capsules present 

 no peculiarity. The ova are large, and have a conspicuous ger- 

 minal vesicle. 



This species attains a very considerable size. I find that the 

 specimen from Torbay, mentioned under C. ramosa as being 

 nearly four inches in height, and referred to that species, is in 

 reality the C. vaginata. 



[Common at Ilfracombe and along the neighbouring coast.] 



Note on Coryne Cerberus, Gosse. 



During the past summer I have enjoyed at Ilfracombe very 

 favourable opportunities for the study of the Stauridia producta 

 of Wright, and have satisfied myself that the Coryne Cerberus of 

 Gosse is founded on an immature specimen of this zoophyte. 

 The arms of the Stauridia, as of the Corynoids generally, in- 

 crease in number with the age of the polype. The young are 

 found with only two, three, or four of the capitate tentacles, 

 placed a little below the oral aperture. After a time, the second 

 verticil is developed, and then the third. The lower row of fili- 

 form tentacles seems to be produced contemporaneously with 

 the first series of capitate arms. The C. Cerberus is, no doubt, 

 a young Stauridia with only three of the latter developed. I 

 have had a specimen of the last-named zoophyte which was quite 

 undistinguishable from the species figured by Mr. Gosse. I may 

 also mention that the habit of distending and flattening the 

 mouth, which Mr. Gosse noticed in the case of his Coryne, is 

 that of the Stauridice. 



The Stauridia producta must therefore be added to the Cata- 



