468 MELVILL: THE PRINCIPLES OF NOMENCLATURE. 
Pecten :—‘a comb.’ ‘‘ pectinibus patulis jactat se molle Tarentum.” 
Horatius, Sat., 2, 4, 34. Plinius, 9, 33, 51, etc. «tets, xteves Philyll. 
Poll. 1 Archippus, ixO., 5. (250 B.c.) Anaxandridas, Comicus 
(376 BCs) T pwr. I, 61. 
Anomia:—Gr. avop.a ‘lawlessness,’ ‘irregularity of form,’ no references to 
a mollusk found. 
Mytilus:—‘The mussel fish.’ Plinius, 9, 51, 71. Horatius, Sat., 2, 4, 27. 
putvAos cf Athenzeus, 85 e. purky Xenocrates, Aquat. 86 pvioKos 
Plinius 32, 53. 
Pinna :—Cicero, Fin. 3, 19, De Nat. Deorum, 2, 48, 123. Plinius, 9, 42, 66. 
Tin Athenzeus, 93 e. 
Argonauta :—no allusion, genus included in the next by ancient writers. 
Nautilus ; —Plinius, 9, 29, 47. vatTiXos Aristotle, H.A., 4, 1, 28. Calli- 
machus, Ep., 5, 3- (B.C. 256.) Athenzeus, 317 f. 
Conus :—Kivos not referred to as a shell amongst the ancients. 
Bulla :—‘a bubble’; also an ornament worn by the Roman youth, but not 
alluded to as a mollusk. 
Voluta:-—L., ‘the capital of a Corinthian column.’ Volvo, ‘I roll,’ as 
eArg, EAioow, e’Aw, Gr. 
Buccinum :—(vel prop. Buctnum), ‘a sea trumpet.’ Plinius, 9, 36, 61. 
OM WlGtiag thy, BAS B87 
Haliotis :—Gr. ads, ows, Otis, ‘sea ear.” ovs Adpoditns Antigonus 
Carytius ap. Ath. 88a (B.C. 247). ovs POadAdoovov Aristotle, H.A., 
4, 4, 26. 
Patella :—-patina, dim. patella, ‘a platter.’ 
Dentalium :—dens, ‘a tooth,’ L. dentalia, ‘a ploughshare.’ 
These two genera not mentioned in ancient writings. 
ao ie 
Teredo:—Plinius, s., 48, 74, etc. ‘the ship worm.’ TEpHOWY Aristophanes, 
Equites, 1308. (B.C. 427). 
XI.—GENERA (OF MARINE GASTROPODA AND PELECY- 
PODA ONLY) ABOUT WHOSE NOMENCLATURE 
SOME DIFFERENCE OF OPINION HAS EXISTED. 
The names in heavy type are those which I regard as valid, those in 
lighter type are synonyms. 
Pleurotoma Zams., 1799. Tritonofusus ech, 1847. 
Turris Bolten & Humphrey, 1797-8. Sipho (Wein) AZorch, 1852 (non Fabr., 
Pleurotomus J/zft., 1810. 1823). 
Clathurella Cr., 1857. ih ; 
Defrancia AZz//et, 1826 (n. preeoce. ) Melons we OT ae 
Clavilithes Szwz7:., 1840. Cassidulus Humph., 1797. 
Clavella Szz., 1835 (non Oke, 1815). 
Cyrtulus Azzds, 1840. Pisania Bivona, 1832. 
Chrysodomus Szwz., 1840. _ Pusio Gray, 1833. 
Neptunea olt., 1798. Pollia Gray, 1839. 
Atractus .4gass¢z (preocc.) 1837. Polliana 4/7. E. Gray, 1842. 
J.C., viii., Oct., 1897 
