160 



XXIX. — Descriptions of three Species of Marine Zoophytes. By 

 Arthur H. Hassall, M.D., and John Coppin, Esq., M.A. 



(Read April 16, 1851). 



Genus Coppinia. 



Char. — Polypidom parasitic, massive, hirsute ; polype-cells arising 

 at irregular intervals from the angles of junction of a cellular 

 basis, the cells or apertures (sporangia) forming which are, when 

 perfect, provided with an operculum or lid, perforated by a 

 small tubular orifice. 



" Polype hydraoidal, vivid green, stretching much beyond 

 the circular orifice of the cell, and furnished with 8 muricate 

 tentacula. " — Daly ell. 



Propagation " through the medium of a planula, which, in- 

 stead of being generated as in the hydraoidal Sertularia, within 

 a pod or vesicle, is formed within the cells {sporangia) of the 

 cellular matrix." — Daly ell. 



Coppinia, Hassall, Zoologist, No. 69, p. 2223. Gray, List 

 of British Badiated Animals, p. 144. 



Conchella, Gray, loc. cit. p. 88, 144. 



Coppinia mirabilis. 



Char. — Polype-cells tubular, elongated, often curved ; basal cells 

 or sporangia angular, united together so as to form a cellular 

 stratum, presenting a honey-combed appearance ; sporangia, 

 when mature and perfect, provided with opercula. 



Plate XXI., figures 1 and 2. 



Campanularia intertexta, Couch, Corn. Fauna, iii. 41, t. 11, fig. 3. 



Johnston, Hist. Brit. Zooph. ed. 2, p. 109. 

 Sertularia arcta, Dalyell, Anim. Scotl. 224, t. 42. 

 Coppinia mirabilis, Hassall, Zool. No. 69, p. 2223. Gray, loc. cit. 



p. 144. 

 Conchella intertexta, Gray, loc. cit. p. 88. 



