66 NATURAL HISTORY OP 



Atractylis linearis {Aid.). 

 Hab. : Cullercoats (^Z(Z.). 



8. P. (?) MiNiATQS, Wright, Micro. Journal (N. S.), 

 iii. 48. 



Atractylis miniatus {T. 8. W.). 

 Hab. : Largo, Grranton. 



9. P. (?) cocciNEUS, T. 8. W., Ann. N. H., August, 

 1861. 



Atractylis coccineus (T. 8. W.). 

 Hab.: Inch Garvie [Wright). 



10. P. (?) BiTENTACULATUS, Wright, Journ. Anat. and 

 Physiol., i. 334. 



Atractylis bitentaculata {T. 8. W.). 

 Hab. : Firth of Forth [T. 8. W.). 



11. P. (?) QUADRiTENTAcuLATUS, Wright, ubi sup. 

 Atractylis quadritentaculata [T. 8. PF.). 



Hab. : Firth of Forth. 



The two last-named species are regarded by Prof. 

 Allman as probably immature forms of some species of 

 Perigonimus. 



12. P. (?) NUTANS [T. H.). 



Described by Mr. Hincks in Ann. Nat. H., February, 

 1877. 



Genus III. Hydeanthea, Hincks. {Hydra, and dvdo<;, 

 a flower.) 



8tems very short, rising at intervals from a network 

 of tubes, the whole invested with a polypary. Poly- 

 ]pites borne singly on the stems, elongate, spindle- 

 shaped. Tentacles as in last genus, but each alternate 

 one bearing a prominent tubercle composed of large 

 bean-shaped thread cells. Gonophores large, containing 

 fixed sp(;rosacs. — T. H. 



