46 Moll. 
MOLLUSCA. 
Korenia, subg. p., for Trochus cincrarms (Ji.), tumidus (Mont.), and 
millegranus (Forbes), on account of the radula ; Friele, 1. c. 
^Margarita] Trochus cinereus (Couth.), umhilicalis (Brod.), olivaceus 
(Brown) = argentatus (Gould), and vahli (Moller), synonymy, new 
localities, living animal of the first three ; Jeffreys, Ann. N. H. (4) 
xix. pp. 230-238. T. (M.) umhilicalis (Brod.) and gluuca (Moller), 
Franklin-Pierce Bay, 79^ N. lat., E. Smith, Ann. N, H. (4) xx. pp. 138 
& 139. Radula of Margarita helicina (Fabr.), grcenlandica (Beck), and 
olivacea (Brown) ; Friele, 1. c. 
Trochus fMargarita') henoiti^ new name for Delphinula ? elegantula 
(Philippi), found in the recent state at Messina ; Grille, Descr. esp. 
nouv. p. 15. 
Margarita lacazii with var. nigricans^ sp. n., V^lain, Arch. Z. expcr. vi. 
p. 118, pi. iv. figs. 4-6, St. Paul and Amsterdam Islands. 
2\ochus {Photinula) expansus (Sow.) from Kerguelen Island; E. 
Smith, Transit Venus Exp. Moll. p. 11 [anted, p. 6]. 
Machceroplax, g. n., with only 5-10 lateral teeth in the radula ; for 
Margarita affmis (Jeffr.), varicosa (Mighels), hella (Verkriizen), ohsoura 
(Couth.), and albula (Gould). Friele, 1. c. 
Mcdleria costulata (Moller). Peristome continuous, operculum shelly, 
living animal described from the Arctic Sea; Jeffreys, Ann. N. H. (4) 
xix. p. 235. Radula ; Friele, 1. c. 
Umhonium adamsi, sp. n., Dunker, Mai. Bl. xxiv. p. 74, Japan. 
Ethalia brazieri, sp. n., Angas, P. Z. S. 1877, p. 39, pi. v. fig. 17, Port 
Jackson. 
Cyclostrema hasicarinatum and trochoides ; radula, Friele, 1. c. 
Cyclostrema peterseni, Friele, N. Mag. Naturv. xxiii. [1876], and JB. 
mal. Ges. iv. p. 259, Northern Norway, 150 & 484 fathoms ; G. hasi- 
striatum, Jeffreys, Ann. N. H. (4) xix. p. 234, Northern seas, in different 
depths, from 50-1095 fathoms. C. catenoides, Monterosato, Ann. Mus. 
Genov, ix. p. 417, woodcut, Civita Vecchia, Palermo, &c. : spp. nn. 
Mcerchia (A. Ad.). General note on the genus, M. jnoreleti (pi. iv. 
fig. 1) and hiplicata, spp. nn., Fischer, J. de Conch, xxv. pp. 200 & 201, 
China. 
Cirsonella, g. n. ; shell minute, globosely turbinate, smooth, narrowly 
umbilicated ; aperture circular, peritreme continuous, slightly thickened. 
Differs from Crossea, A. Ad., in the absence of the basal tooth. Pre- 
viously placed in the Trochidee. For C. australis, sp. n., Botany Bay. 
Angas, P. Z. S. 1877, p. 38, pi. v. fig. 16. 
Circulus striatus (Phil., as Valvata) ; on its synonyjny and varieties, 
Monterosato, J. de Conch, xxv. p. 30. 
Stornatia pallida, sp. n., Tapparone-Canefri, Ann. Mus. Genov, ix. 
p. 288, New Guinea. 
Haliotid.®. 
Fleurotomaria beyrichi, sp. n., Hilgendorf, SB. nat. Fr. 1877, pp. 72 & 
73, fi'om collections made in Japan, third recent species of this genus, 
measuring 83 millimetres in diameter and 82 in height. 
