14 BRITISH TUNICATA. 



spread over the lower portion of the intestine and 

 stomach. 



C. intestinal is is not uncommon in Finmark and the 

 whole of the Norwegian coast, on stony ground in the 

 Coralline and Laminarian zones, also in Greenland 

 and North America (Sara). 



2. Ciona pulchella (Aider). 

 (Plate T, figs. 6-8). 



[Ascidia intestinalis BLAINVILLE Man. Malac. et Conch. 

 (1825), p. 583 (1827), pi. Ixxxii, f. 3; CUVIER Anim. 

 Kingd. (transl. of ed. 2), III (1834), p. 114, and (1837), 

 pi. xliii ter., f. 2; MACGILLIVEAY Conch. Text-hook (1845), 

 p. 207, pi. xx, f. 7.] 



Asridia pulchella ALDER in Ann. Nat. Hist. (3) XI [1863], 

 p. 157 ; [(MS. sp.j in Aiisted's Channel Isl. (1862), p. 219] . 



'Bod n elongated, cylindrical, reddish, pale yellow, or 

 hyaline white, attached by a rounded base, and capable 

 of great retraction. Apertures tubular, terminal ; the 

 branchial much the longer, nearly one third the length 

 of the body, and continuous in outline with it; the 

 atrial about half as long as the branchial and a little 

 narrower, projecting diagonally ; both orifices with 

 bright crimson ocelli. A deep impressed line runs 

 from between the terminal tubes to nearly the base of 

 the body. Test (PL XXI, figs. 6 and 7) soft, smooth, 

 hyaline, and transparent. Mantle (PL XXI, fig. 8) 

 yellowish, passing to red above, or sometimes colour- 

 less, with longitudinal muscular bands narrower than 

 in G. intestinalis. Tentacular filaments [stout (Alder, 

 1. c.)]. Branchial sac with rather broad papillae. 



Length, an inch or a little more. 



Hab. [Below low water-mark.] 



ENGLAND. Salcombe Bay, Devon (Hincks). Fowey 

 Harbour, Cornwall (Peach). 



CHANNEL ISLANDS. Guernsey, dredged (Nor man}. 

 First record. Alder, 1863. 



This pretty species comes very near to Ciona infest i- 



