158 CATALOGUE OF ADDITIONS TO, AND ALTBBATIONS 



In addition to the one got by Mr. Couch. I got two more, one 

 off Grorran Haven, the other off Fowey. From careful examina- 

 tion of these two I felt fully satisfied that they differed so much 

 from A. digitatum that they were a new species. It has, first, a 

 much thicker and tougher outer crust, deeper division of the lobes, 

 having more polypes, and these never so much retracted, but that 

 they are always somewhat raised, whereas in A. digitatum the cells 

 are depressed, when the polyj)e is drawn into them, and the whole 

 appearance shows a thinner slvin and altogether more feeble 

 animal than A. glomeratum. The colour of the latter is at times 

 a brilliant red. This state may be when full of ova ; at all times 

 it is red, and contrasts strongly with the very pale pink of A. digi- 

 tatum. Couch and myself got only three specimens in Cornwall, 

 and thus the new one must be considered very rare there. In 

 Scotland, especially in the north, Aberdeen and Caithness, it is 

 abundant, in fact, often the prevailing one, and far from rare off 

 the Firth of Forth. I have frequently got both on the same 

 stone or shell side by side, and although the bases of the spread- 

 out feet touched, they never overlapped or coalesced. One thing 

 more, I never saw what might be called intermediate stages. It 

 is not so abundant in Shetland. (C.W.P.) 



Ehodophtton Couchii. — Gray. Named after the finder, the 

 late Dr. Jonathan Couch. See J ourn. Eoy. Ins. of Corn. p. 1 54, 

 No. 6, 1866. 



* From the figure and part of the description given by Dr. J. 

 E. Gray, in the Zoological Journal, 1865, pi. 23, p. 705 — 6. Unfor- 

 tunately Dr. Couch has given so little of Dr. Grray's paper, that 

 little can be said about it. By the figure, and that little, I should 

 have thought it Alcyonium glomeratum, on finding that it had a 

 '■''hard continuous calcareous crusf^ It thus differs so much from 

 anything of the Alcyonium kind described as British that it must 

 be quite a new thing, and I hope another specimen of it will soon 

 be found. The specimen described " was drawn up by a fisher- 

 man's line off Polperro, attached to a shell." 



Oj'-der — LUCENARIADA. 



LUCERNARIA, — Milller. 



AucicuLA. — Montagu. Johnston, Erit. Zoo., ed. 2, 



woodcut, p. 264, fig. 54. 



