140 
MOLLUSC A. 
Aemcea ( ColUsella) peramabilisj sp. n., Dali, P. Cal. Ac., Dec. 1872, Shumagin 
Islands, Alaska. 
Acmcea hamilli (Fischer, 1857), Crosse, J. de Conch, xx. p. 145, pi. 5. fig. 6. 
PATELLIDiE. 
Patella sandtvtcensis (Pease) distinct from exarata (Nuttall, Reeve). Pease, 
Am. J. Conch, vii. pp. 198-200. 
Nacella ? rosea, sp. n., Dali, P. Cal. Ac., Oct. 1872, Shumagin Islands, 
Alaska. 
Chitonid^e. 
Chiton marginatus (Penn.), from Riel. Meyer & Mobius, 1. c. pp. 3-5, pi. 1. 
figs. 1-5. 
Acanthochites viridis and armatus, spp. nn., Pease, Am. J. Conch, vii. 
pp. 194 & 195, Ilaw^aiian I. 
TECTIBRANCHIA. 
ToKNATELLlDiE. 
Ringictda minuta, sp. n., H. Adams, P. Z. S. 1872, p. 11, pi. 3. fig. 14, Red 
Sea. 
R. apicata, sp. n., G. & II. Nevill, J. A. S. B. xxxix. part 2, p. 3, pi. 1. fig. 10, 
Mauritius. 
Rictaxis \^Rhectaxis\ new subgenus of Actceon ; columella projecting like 
a tooth beyond the line of the anterior margin. Type R, punctoccelata (Carp, 
as Tornatella) from California. Dali, Am. J. Conch, vii. p. 136, pi. 15. tig. 12. 
Actceonidea, g. n., previously characterized, W. Gabb, P. Ac. Philad. iii. 
p. 273, pi. 11. fig. 8. 
BULLIDiE. 
Tornatina iuconspicua, sp. n., II. Adams, P. Z. S. 1872, p. 11, pi. 8. fig. 12, 
Red Sea. — T. harpa, sp. n., Dali, 1. c. p. 136, Monterey, adliering to the 
tentaculaof Actinia. — 2\ liratis 2 )ira, Rio Janeiro, waA. persiana, Persian Gulf, 
spp. nn., E. Smith, Ann. N. II. (4) ix. p. 354. 
Cylichna lactuca and involuta, spp. nn., G. & H. Nevill, J. A, S. B. xxxix. 
part 2, pp. 2 & 3, pi. 1. figs. 2 & 3, Ceylon, the latter also from Bombay and 
Penang. 
C. minuta, sp. n., II. Adams, P. Z. S. 1872, p. 11, pi. 3. fig. 10, Red Sea. 
C. nitens and Jijiensis, Viti Islands, propinqua, Vancouver I., luteocincta, 
locality unknown, pumilissima, consanguinea, and perpiisilla, Persian Gulf, 
{Mnestia) punctosidcata, Tunis, (Jf.) alhoguttata. West Indies, and {Sao) 
pellii, Persian Gulf, spp. nn., E. Smith, 1. c. pp. 351-364. 
Cylichnella, g. n., previously characterized, W. Gabb, P. Ac, Philad. iii. 
p. 273, pi. 10. fig. 2. 
Atys canariensis and macandrewi. Canaries, angustatus and mirandce, Gulf 
of Suez, spp. nn., and notes concerning the synonymy of some other species. 
E. Smith, 1. c. pp. 344-347. 
Atys {Alicula) isseli, sp. n., H. Adams, 1. c. p. 11, pi. 3. fig. 13, Red Sea. 
Amphisphyra hyaluia (Turt.), a dead shell found near Kiel. Meyer & 
Mobius, Fauna &c. ii. p. 67, pi, 10. figs. 8 & 9. 
