der niederen Thierc während der J. 1854 — 1855. 401 



olhers by tubulär processes ; frond somelimes partially adnale and 

 decumbent. 



D. crolati n. sp.* Bass-Sir. — D. magellanica n. sp. Magellans- 

 Sir. — V. iiiermis n. sp. Neuseeland. 



Vam. M embranip oridae. (Polyzoary membranaceo-calcare- 

 ous or calcareous, expanded, encrusting , somctinies foliaceous, con- 

 torted and suberect. Cells horizontal, quincuncial er scrial.) 



Gen. lil embranipora Johnst. Polyzoary incrusting or sub- 

 erect, loliaceous and contorted, sprcading irregularly. Cells more or 

 less irregularly disposed or quineuncial, with raised margins ; a grea- 

 tcr or less cxtend oT the Iront membranaceous and nexible. 



Hl. membranacea {h.) Bl. Europ. Meere. — M. /jjVosa (L.) Johnst. 

 Europ. Meere. — M. corincea (Esp.) (ir. Europ. Jleere. — M. vmbo- 

 Hata n. sp. Vandieniensland. . — M. Uneata (L.) Busk, Europ. Meere. 

 M. I'letiimitigii Busk (Klustra nieuibranacea Zool. üan.) Europ. öleere. 

 — M. Jiozieri (And.) Busk. Rio de Janeiro. — M. Rosselii (Aud.) 

 Busk. Orkney. — M. calpevsis n. sp. Gibraltar. — Jtf. slenostoma n.sp. 

 Tasmania. — M. certicornis n.sp. hab.? — il/. Lrtcroi>?i (Sav.) Busk. 

 Europ. Meere. — M. cyclops n. sp. Neu-Seeland. — M. mojiostachys 

 D. sp. Britlischc Küste. — IH. magnilabris n. sp. Algoa-Bay. — M. 

 gnlcata n. sp. Kalklands-lns. 



Gvn. Lepral ia Johnst. Polyzoariuni adnate, cruslaceous, sprea- 

 ding froni a centre in a more or less circular form; coinposed of eon- 

 tiguous or connected, calcareous decumbent cells, thu vvalls of which 

 are complct in frond. 



I. Armatae. 



A. Species having avicularia. 

 a. Median and Single. 



* Avicularium superior (above the month). 

 L. Brogniarlii (Aud.) Busk. Engl. Küsten. 

 •* Inferior (below the mouth). 

 L. Landsbororii iohnsi. Engl. Küsten. — L. gateala n.sp. Falk. 

 lands-Ins. — L. relicu(n(n Macgillivay. Engl. Küste. — L. marionensis 

 n. »p. Marion-Ins. — L. auriculata Uass. Orkneys u. s. w. — L. con. 

 cinna n. sp. Covelands-Ins. — L. verrucosa Thomps. Schottland. — L, 

 tiolaceo Johnst. Engl. Küste. 



ß. Avicularia cither double or, if Single, on onc side of 



the cell; on evcry cell or irregularly distributed on 



Ih e polyioary. 



L. ipinifera Johnst. Ins. Wight n. s. w. — i. trispinnsa Johnst. 



Engl. Küste. — t. coccinea (Zool. Dan.) Johnst. Irland u. s. w. — L. 



linearit Mass. Engl. KOste , Miltclländ. Meer. — L. alala n. sp. Cap 



Archiv r. NitUfiucb. XXII. Jalir{. 2. Bd. AA 



