152 
MOLLUSCA. 
GASTEOPODA. 
F. H. Troschel, Gebiss der Schnecken, ii. p. 140, proposes to arrange 
the Prosohranchia according to the structure of the radula, as follows : — 
I. Oampylodonta (Macdonald) ; front edge of the plates reflected. 
1. Toeniglossa (Troschel). 2. Rhipidoglossa (Troschel). 
n. Orthodonta (Macdonald) ; front edge of the plates straight. 
3. Toxoglossa (Troschel). 4. Rhachiglossa (Gray). 6. Pteno- 
glossa (Gray). 
’ in. Heterodonta (Gray) ; plates beam-like, with heterogeneous 
processed in their front. 
6. Docoglossa (Troschel). 
PEOTINIBBANGHIA. 
MuEICIDiE]. 
Murex jicheliiy sp. n., C. Tapparone-Canefri, Ann. Mus. Genov, vii. 
p. 582, pi. i. fig. 6, Red Sea ; with notes on the species of the genus 
Murex living in the Red Sea. 
Murex {Ocinehra) gibbus (Pease, as Latirus)^ = crosseanus (Li^nard), 
and M. {0.) fiscellum (Chemn.), var. = lienardi^ Crosse, both from Cey- 
lon ; G. & H. Nevill, J. A. S. B. (n.s.) xliv. pt. 2, p. 83. 
Murex (Cerastoma) endermonis, sp. n., and burnetti (A. Ad.), from 
Endermo Harbour, Yesso ; E. Smith, Ann. N. H. (4) xv, pp. 420 & 421. 
Trophon albo~labratus^ id. op. cit. xvi. p. 68, Kerguelen’s Island ; T. 
umbilicatus, clathratus, br^zieri, goldsteini, and australis^ J. E. Tenison 
Woods, P. R. Soc. Tasm. 1875, (separate copy), pp. 3 & 4, Tasmania [the 
second = T. (Crosse), according to an additional note of the 
author, op. c^^. May, 1876] : spp. nn. 
Hemifusus [see next page, under Pirula\. 
PURPUEID^. 
Pentadactylus grossularius (Bolten) = Ricinula digitata (Lam.), glo- 
bosus (Mart.) [= R. horrida, Lam.], clathratus (Lam.), hystrix (Lam.), 
ricinus (L.), rudis (Dkr.), and tuberculatus (Blv.) ; radula described by 
Troschel, Gebiss der Schnecken, ii. pp. 133 & 134, pi. xiii. figs, 1-6. It 
is very near that of Strainonita [Pwrpwra]. 
Sistrum ventricosulum, sp. n., G. & H. Nevill, J. A. S. B. (n.s.) xliv. 
pt. 2, p. 97, pi. viii. fig. 16, Ceylon. 
Purpura trinitatensis^ R. J. Lechmere- Guppy, Ann. N. H. (4) xv. 
p. 50, Gulf of Paria, West Indies; P. Uttorinoides^ J. E. Tenison Woods, 
P. R. Soc. Tasm. 1875 (sep. copy), p. 3, Tasmania : spp. nn. 
Pinaxia coronata (A. Adams, 1853), = Pyrula versicolor (Gray, Zool. 
Beechey's Voy.) ; columellar plaits exist only in the adult shell, opercu- 
lum like that of Purpura^ from Ceylon. Edgar Smith, Ann.,N. H. (4) 
XV. p. 301 : also J. de Conch, xxiii. p. 271. 
