CTENOSTOMATA PTEROBRANCHIA. 
Moll. 115 
CTENOSTOMATA. 
Cylindrcecium giganteum (Busk) found in the Mediterranean, 40-80 
metres ; Alph. Milne-Edwards, Rapp, faune sous-marine, p. 22. 
LOPHOPODA. 
Plumatella vesicularis (Leidy), vitality; Allen, P. Ac. Philad. 1882,- 
p. 223. ■ . 
Fredericella sultana (Blumonb.), statoblast ; J. Kafka, SB. bohrm 
Gres. 1881, p. 253, woodcut. 
Undetermined genus, hyaline mass like Lophopus , with statoblasts like 
those of Plumatella , observed at Podebrad, Bohemia ; id. 1. c. p. 254. 
Cristatella mucedo (Cuv.), statoblast ; id. 1. c. p. 251, woodcut. 
ENDOPROCTA. 
Pedicel linid;e. 
Loxosoma nitschii , sp. n., Vigelius, Bryoz. ‘Willem Barents,’ p. 19, 
pi. i. figs. 4 & 5, Barents’ Sea, on Menipea ternata. 
Barentsia bulbosa (Hincks), anatomically investigated; stolo and 
erected branches chitinous, without muscles, except a limited terminal 
part of the latter ; the cup-like trunk is separated from those branches 
by a distinct diaphragma. Id. Zool. Anz. 1882, pp. 141-144. 
PTEROBRANCHIA. 
• f 
Rfabdopleurid m, 
CepJialodiscus , g. n. Conoecium consisting of a massive irregularly- 
branched fucoid secretion, resembling chitine, hispid with long spines of 
the same tissue, and honeycombed throughout by irregular apertures, 
channels, and spaces, in which the separate and independent polypides 
occur singularly or in groups. Lophophore richly plumose, with an 
enormous buccal shield and large oral lamella, the mouth opening between 
the two. Anus on the anterior dorsal prominence, behind the plumes. 
Two large eggs abutting on the ovaries towards the anterior part of the 
body. The homologue of the funiculus is short and quite free, its tip 
serving for the development of buds. G. dodecalophus } sp. n., Strait of 
Magellan, 245 fath. W. C. M‘Intosh, Rep. Br. Ass. 1882 [1883], pp. 596 
& 597, and Ann. N. H. (5) x. pp. 337-348. 
