CKISlID.ii. 



Parnily I. ClilSIID Ji], Bk. 



Les Crisies, M.-Edw. Mem. sur les Crmes, les Honi'eres, ^-c, Ann. 



d. Sc. Nat. 2'= s6\: i. ix. (1838). 

 Crisiadse, Johtist. B. Zooph. 2nd ed. p. 282 (1847) ; Bk. Vvy. of Rattles. 



(1852). 

 Crisidffi, HOrb. Pal. Fran^. T. Cref. p. 596 (1850-1852). 

 Crisiidse, Busk, C. Puli/z. 1859, p. 92. 

 Crisieas, Smitt (1864). 



1. CRISIDIA, M.-Edw. 

 A single cell in each interiiode. 



Sertulai-ia (pars), Linn., Berkl., Esper. 



(/ellularia (pai-s), Pallan, d,-c. 



Cellaria (pars), Solander, Laiuk., Busc. 



Eucratea (pars), Lunix., Misso, Fleming, Templetun, Cuvier. 



Unicellaria (pars), lihdnv. 



Crisidia, M.-Edji\, Jo/mstuti, Landsb., Gosse, Alder, Hincks, Norman, 



Busk, ^-c. (noQ D'Orb., Reuss). 

 Crisia (pars), Johnst. (1st ed.), Hassall, Couch, Smitt, Lamx., Thomps. 

 Filicrisia, D'Orb. 

 F'alcaria, Oke.n, Gray. 

 Tibiana, Lister (uon Blainville, Lamx.). 



1. Crisidia coruuta, M.-Edw. (Plate I. figs. 1-10.) 



Each cell giving rise to two secondarj' cells ; oooecia axillary. 



Var. a. coenuta. One of the secondary cells usually aborted and 

 represented by a three-jointed seta. 



"Goat's-Horu Coralline," Ellis, Corall. p. 42, pi. xxi. fig. 0. c (very 



good); 

 Sertularia coruuta, Linn. ; Esper, Sert. pi. xix. tig. 1. 

 Cellularia falcata, Pallas. 

 Cellularia cornuta, Brugniere, Hogg. 

 Cellaria cornuta, Soland., Lamk., Bosc. 



Crisidia cornuta, M.-Edtv. I. c. p. 11, pi. viii. fig. 2 ; Johnst. 2nd 

 ed. p. 287, pi. 50^ figs. 1 & 2; Landsb. : D'Orb. I. c. p. 603; Gosse, 

 Alder, Hincks, Norman, ^c. 



? Crisidia setacea, Sars. 



Hah. British and Irish coasts, generally distributed ; coast of 

 France {M.-Edw.) ; Mediterranean {Pallas, D'Orb.) ; Sweden and 

 Norway {Loven, Sars, Smitt) ; Shetland {Norm.). 



Var. /3. GENiciTLATA. (Plate I. figs. 1-4.) Eoth secondary cells 

 fuUy developed. 



Tibiana (sp.), Lister, Phil. Trans. 1834, p. 385, pi. xii. fiu-. 5. 



