398 Leuckart: Bericht üb. d. Leistungen in d. Naturgeschichte 



Gen. Scrup ocellaria v. Ben. Cells rhomboidal, with a si- 

 iius on the outer and hinder aspect; each furnishcd with a sessile 

 avicularium at Ihe upper and outer angle, and with a vihraculum 

 placed in the sinus on the outer and lowcr part behind. Aperture 

 ovale or subrotund , spinous above, with or without a pedunculate 

 operculum. Cells biserial and nuinerous in each internode. 



S. cervicornis n. sp.* Cumberlands-Ins. — Sc. dindema n. sp.* 

 Moreton-Bay. — Sc. scrupea Busk. Engl. Küste. — -Sc Macandrei 

 n. sp. Span. Küste. — Sc. cyclostoma n sp.* Bass-Str. — Sc. ferox 

 n. sp.* Ebendah. — Sc. scruposa (Fall.) v. Ben. Europ. Küste. 



Gen. Cnnda Lamx. Cells rhomboidal, sinuated on the outer 

 side for the lodgment of a vibraculum. No avicularium on the upper 

 and outer angle. 



C. arachnoides Lamx. Südsee. — C. reptans (L.) Busk. Engli- 

 sche Küste. 



Gen. Emma Gray. Cells in pairs or triplets, Opening more 

 or less oblique, subtriangular, partially fiUed up by a granulated cal- 

 carecus expansion. A sessile avicularium (sometimes absent) on the 

 outer side below the levei of the opening. 



E. crystallina G. — E. tricellata n. sp.*"' Beide in der Bass-Str. 



§ Inarticulata s. Continua. 

 §§ Uniserlalaria. 



Farn. Scrupariadae. (Cells uniserial. Junctions rigid or of 

 the same consistence as the cells. Polyzoary usually loosely adnate.) 



Gen. Scruparia Ok. Cells decumbent ; aperture oblique, 

 subterminal. Branches given off from the front of a cell below the 

 aperture. 



Sc. chelala (L.) Busk. Europäische und Austral. Küsten. 



Gen. Hippolhoa Lamx. Cells decumbent, adherent; branches 

 given off from the sides of the cells. 



//. calctiularia Johnst. Europ. Küsten. — //. divaricata Lamx. 

 Europ. Küsten. — //. patagonica n. sp. Patagonien. 



Gen. Aetea Lamx. Cells tubulär, ercct, scattered, rising from 

 a creeping fistular fibre a,dnate to a foreign base. Aperture terminal 

 or subterminal. 



Aet. angnina (L.) Lamx. Europäische Küste u. s. w. — Ael. 

 dilalata n. sp.* Torres-Str. — Ael. lignJata n. sp. Patagonien, — AeL 

 truncala n. sp. Küste Arran. 



Gen. B e an i Or iohnst. Polyzoary confervoid , subcorneous or 

 calcarecus. Cells arising one from another by a slender filiform tube 

 given off from the lower part of the cell, which is open in front; 

 the edges of the opening furnished with hollow spinous processes 



