66 Moll. 
MOLLDSCA. 
Haliotididjc. 
Pleurotomaria. Several specimens dredged during the Survey of the 
‘Blake’ in the West Indies; A. Agassiz, Bull. Mus. 0. Z. v. No. 14, 
p. 298. P, mmphij sp. n., Schopman, Tijdschr. Nederl. Dierk. Ver. iv. 
pp. 162-167, the fourth recent species from the Moluccas (170 mm. high, 
190 in diameter, slit 2^ mm. broad). 
Seguenzia (Jeffr.). A sinus at the carina and another on the base 
besides the known infra- sutural sinus, found in all species examined ; S. 
ionica, St. Thomas and west of the Azores, 390 & 1000 fath., and iri- 
s^inosa, Pernambuco, 675 fath., epp. nn., Watson, I, c. pp. 686-592. This 
genus is placed among the Solar iidcG by Jeffreys, J. L. S. xiv. pp. 605 
& 606. 
Basilissa, g. n. “Testa conica, carinata, umbilicata, margaritacea, 
anfractu ultimo superue sinuato ; columella recta, parum obliqua, tenuis, 
superne excavata, inferne vix dentata, ad basin autem valde angulata ; 
apertura rhomboidea, labiis nec conniventibus, nec callo palatali junctis.” 
B. lampra (height 0'3, breadth 0 48), Mid Pacific, 2050 fath., simplex^ off 
mouth of La Plata, 1900 fath., munda, off Palma, Canaries, 1125 fath., 
alia and costulataj St. Thomas, 390 fath., the former also Pernambuco, 
672 fath., and siiperba (height 0*75, breadth 0’65), E. of Capo York, 
Australia, 1400 fath., spp. nu., AVatson, 1. c. pp. 693-601. Also B. oxij- 
tropis, sp. n., id. 1. c. p. 693, Ascension Island, 420 fath. 
Stomatella oimata, sp. n.. Brazier, P. Linn. Soc. N.S.W. ii. [1877] p. 47, 
Barnard Islands, N.E. Australia. 
Schismope tasmanica^ sp. n., Petterd, J. of Conch, ii. p. 104, Tasmania. 
HalioHs parva (L.) from New South Wales ; Brazier, 1. c. p. 369. 
Broderipia iridescens (Brod.) from New Caledonia ; id. X. c. p. 370. 
PlSSUJlELLIDiE. 
[^Parmophorus'] Scutus (Montf.). E. A. Smith discusses the mistakes 
made by former authors as to the species of this genus, admitting three 
as distinct : unguis (L.), Indian Seas, amhiguus (Chemn.), New Zealand, 
with woodcut, and anatinus (Donovan), Australia ; J. of Conch, ii. 
pp. 252-264. 
OYGLOBRANGHIA. 
Acmaiidj:. 
Acmcea mitra (Esch.) varr., Prybiloff and Aleutian Islands; A. insessa 
(Hinds) and instabilis (Gould) also belong to the restricted subgenus 
Acmcea : Dali, Bull. U. S. Nat. Mus. i. pp. 118 & 119. 
Acmcea (Collisella) pelta (Esch.), with var. nacelloides (Dali), cassis 
(Esch.), A. persona (Esch.), with var. digitalis (Esch.), Aleutian Islands, 
testudinalis (Miill.), with varr. patina (Esch.), alveus (auctt.), cumingi 
(Reeve), and var. n. oc/iracea, Aleutian Isles and Sitka; A. peramabilis 
