\ 



513 



and the Linncsan intricata never pofiefs the fmalleft de- 

 gree of carina, and the animal, as before remarked, has 

 a double-trumpet, or funnel-fliaped probofcis. 



The Scrpula triquetra is mofl; times of a dirty-white, 

 but fometimes red, or tinged with that colour; fuch we 

 have in large groups as well as fmgle, a circumflance 

 never having occurred to us in the vermicularis. 



It is, like the laft, equally plentiful on all our coafis, ad- 

 hering to ftones, old fliells, cruftaceous animals, timber, 

 and various other fubftances : a fpecimen in our cabi- 

 net, on a piece of glafs bottle, is more than commonly 

 fpread at the bafe, as if it was requifite to take a firm 

 hold of fo fmooth a furface. 



The tentacula of the animal are two, plumofe, or 

 furnifhed with numerous, ciliated fibres, varying in co- 

 lour, being barred with blue, yellow, brown, or red, 

 and all the intermediate fhades : the trumpet-fhaped 

 probofcis is finely ftriated, and the margin crenated. 



14. 

 S. with a round, taper, opaque, white fliell, flightly Tubularia. 

 wrinkled tranfverdy ; the fmaller end is ufually fub- 

 convoluted irregularly, fometimes only flexuous; this 

 part is fixed; the larger part is detached frequently for 

 half its length, and afcends in a confiderable angle from 

 the bafe, though rarely perpendicular: the ere£t part is 



V v V nearly 



