104 NATURAL HISTORY OP 



halecinum, and lias little of the regular herriug-bone 

 appearance. The vesicles are different in form, re- 

 sembling the flower of a calceolaria, or rather a wooden 

 slipper without any leather on the sole. Only six 

 days are required to bring the planula to maturity after 

 its discharge from the vesicle.'' — Landshorough. 



This species was discovered by Mr. Bean, of Scar- 

 borough, after whom it is named. 



4. H. LABROSUM, Aid. 



Hab. : Coast of Northumberland (^M.), Moray Firlh 

 {MacdonaU), Shetland, Wick ((7. W. P.). Height 

 3—4 in. 



This zoophyte is of a purplish colour when fresh, 

 and is more lax in growth than H. halecinum. The 

 pinnee are ringed transversely above each joint. The 

 calycles are large and open, with everted margins, and 

 are annulated at the lower part. 



This species was discovered by Mr. Alder, and 

 described by him in Ann. of Nat. Hist., 3rd ser., iii. 354. 



5. H. TENELLUM, HincJcs. 

 H. labrosum. Young {Aid.). 



Hab. : Parasitic. Salcombe Bay, Devon ; Filey 

 {Hindis) ; Northumberland {Aid.). Height from j — ^ 

 in. 



Described by Mr. Hincks in the Ann. of Nat. Hist., 

 3rd ser., viii. 252. 



This species is very slender. The calycles are 

 funnel-shaped, often 4 or 5 one within another. The 

 stems are ringed. 



6. H. PLUMOSUM, Hinchs. 



Hab. : Ireland. Height 5 or 6 in. 

 Described by Mr. Hincks (B. H. Z., 227) from a 

 specimen at Trinity College, Dublin. 



