BEITISH ZOOPHYTES. 37 



5 iu. Polypites rose or flesh-coloured, with the oral 

 extremity white. Tentacles 30 — 40. Head and ten- 

 tacles very motile. At the extremities of the latter are 

 minute hairs serving as tactile organs called palpocils. 



2. C. SQUAMATA, Milller. Plate II. fig. 2. 



Hydra squamata {Mill, Fahr.), Coryne squamata 

 (LA-.), Coryne multicornis {Ehr.), Clava membranacea 

 (T. 8. W.', McA.), Clava cornea (T. S. W., T. H.). 



Hab. : On Fucus vesiculosus ; generally distributed. 

 Height, \ — 1 in. Forms densely clustered colonies 

 encrusting the fronds of the Fucus. Polypites yellowish- 

 red, tall, expanding upwards, dioecious. Tentacles 

 white, 6 — 20. Gonophores hanging round the body 

 like a collar. 



Dr. T. S. Wright (Edin. N. P. Journal, July, 1857), 

 describes a smaller variety of this species under the 

 name C. cornea. 



3. 0. LBPTOSTYLA, Agassiz. 



Hab. : Morecambe Bay (F. H. West). Polypites 

 forming red moss-like bunches, very tall and graceful, 

 with not less than 35 tentacles. 



For about -^ in. above the point of origin of the 

 polypite it is much attenuated, and above this it 

 increases very largely in diameter. This species has 

 only been found once in England. 



4. C. NODOSA, T. 8. W. 



Hab. : On fronds of Delesseria sanguinea at Queens- 

 ferry and Largo, at low-tide mark {T. 8. W.). Polypite 

 single, small, aurora-coloured, springing from a knot 

 of convoluted tubes. Described in Edin. N. P. Journ, 

 (N.S.) xvi. 154. 



5. C. DIFFUSA, All. 



Hab. : Shetland Is. (All). Height i— I in. Poly- 



