88 Moll 
MOLLUSCA. 
PTEROPODA. 
Cymbulia calceola^ sp. n., Terrill, Am. J. Sci. (3) xx. [1880] p. 394, 
and {calceolus) P. U. S. Nat. Mus. iii. p. 393, N.E. Coast of America, surface. 
Ealopsyohe, g. n., for Psyche^ Rang (1825), wee Linn. (1735), nec Schrank 
(1801) ; id. P. U. S. Nat. Mus. 1. c. 
HETEROPODA. 
A. Rattray’s paper on the anatomy, physiology and distribution of 
the Firolidce^ Tr. L. S. xxvii. [1871] pp. 255-275, pis. xliii. & xliv., has 
hitherto been omitted from Zool. Rec. 
GASTROPODA. 
Macdonald, J. L. S. xv. pp. 241-244, continues his classification of 
the Gastropods [see preceding Record, Moll. p. 37] as follows : — 
Division II. DICE CIA. 
Subdivision i. Lingual membrane unarmed, or with pleural teeth only. 
Order 1 (without name). 
(a) Rhachis and pleurae unarmed : Pyramidellidce, Cancellariidce. 
(h) Pleural teeth simple: Pleurotomidce^ Acusidee, Conidee. 
(c) Dentition pavimental : Solariidce, Scalariidce, lanthinidce. 
Subdivision ii. — Lingual membrane strap or ribbon- like. 
Order 1. — Proboscidifera. 
Suborder 1. Orthodonta. Dental processes pointing directly back- 
wards. 
(a) Lingual dentition uniserial : Volutidee. [Cf. infra. — Rec.] 
(5) Lingual dentition triserial. 
Rhachis and pleurae comb-like. 
Dental processes numerous, small. 
Strap short ; Mitridce. 
Strap long. 
Teeth short : Fasciolariidce. 
Teeth long : Fusidee. 
Dental processes few and large : Turhinellidce. 
Pleurae uncinate. 
Uncinus with an additional internal cusp ; Buccinidee. 
Uncinus simple, rhachis armed. 
Cusps large, few : Muricidee, Olividee, ffarpidee. 
Cusps small, numerous : Turritidee. — [? Rec.] 
Uncinus foliated, rhachis unarmed : Columhellidce. 
Suborder 2. — Anaclodonta. Cusps received from the fore part 
of the plates : Velutinidce^ Naticidee^ Tritonidee^ Banellidcef 
Doliidce^ CassididcGf Strombidee. 
Order 2. — Rostrifera. 
Suborder 1.— Orthodonta : Heteropoda and Phoridee. 
Suborder 2. — Anaclodonta. 
(a) Marine or littoral : Cypreeidee, Vermetidee^ Calyptrceidce, 
Planaxidce^ Litorinidee^ Cerithiidee, Jtissoidee, Trunca- 
tellidce. 
.(b) Aquatic : Melaniidce, Paludinidce, Valvatidce. 
(c) Terrestrial : Cyclophoridce^ Cyclostomidcef Diplommatinidce. 
