MELAMPUS $. 6. 7. 317 
B. Pallidula. — Minor (6 mill.), pallida, plicis parietalibus 2, 
magis separatis, tertia supera minore adjuncta, margine dextro 
intus labiato, plicis 6 granulosis ornato, plica columellari basali, 
verticali.* (M.) 
Mns Tongaensis Mouss. in Journ. Conch. XIX. 1871. p. 22. t. 3. f. 8. 
— Schmeltz in Mus. God. cat. V. p. 88. 
Hob Tongatabou, var. 8 Vavao. 
73. M. riparius (Autono8) Guppy. t 
».Testa tenuis, cornea, ovato-subconoidalis, fere laevis, 
sub epidermide straminea albida; anfr. circa 5, ultimus com- 
pressus supra paulum angulatus; spira brevis, conoidalis; 
apertura elongata, angusta, ante paulum dilatata; peristoma 
simplex; labrum internum callo obductum et plica. valida mu- 
nitum; columella valde torta, arcuata, plicis fortibus munita. 
— Long. 10, diam. 6 mill.* (G.) 
Autonoe *) riparia, .Lechmere Guppy in Proceed. scient. assoc. Trinidad Dec. 
1868; Amer. journ. conch. VI. 1871. p. 306. t. 17. f. 1. 
Habitat Mayaro pun insulae Trinidad Indiae occidentalis. 
74. ? M. mucronatus Gould, Pease. 
Conf. Auricula oryza H. & A. Adams. 
8 
75. pusillus (Voluta) Gmel. (Coll. 30.) I. 46. II. 34. — Jinn. Terr. 
Moll IV. p. 168. t. 75. f. 29. — Gloyne in Journ. Conch. XX. p. 
46. —  Pütel Cat. p. 114. —  Voluta triplicata Donov. — .Bulimus 
ovulus Brug. — Melampa ovulum Schweigg. — .Auricula ovula F&r., 
nitens Lam., pusilla IDesh., leucodonta, Nutt. — Conovulus nitens Voigt, 
pusillus Ant. — Acteon triplicatus Flem. — Melampus ovulum Lowe, 
nitens Shuttl. — Pythia ovulum et triplicata Beck. — ralia pusilla 
Gray, Dinn. Land- and freshw. sh. North-Am. IL. p. 17. f. 18. — 
Tralia ovulum Mórch. — India oecidentalis. (Non in ins. Sandwich.: 
Pease in Proc. Zool. Soc. 1869. p. 61.) 
76. Panamensis (Auricula) C. B. Adams. (Coll. 31.) I. 48. II. 35. 
— Pütel Cat. p. 114. — Tralia Panamensis H.& Adams. — Panama, 
Taboga. 
77. nitidulus H. & A. Adams. (Coll. 32.) I. 49. IL 36. —  T'alia 
nitidula H. & A. Adams. — Ins. Bohol? 
*) Autonod novum genus Auriculidarum: ,testa tenuis, cornea, ovato- 
obconoidalis; anfr. ultimus compressus, supra paulum angulatus; spira brevis, 
"eonoidalis; apertura elongata, angusta, ante paulum dilatata; peristoma sim- 
plex; columella valde torta, arcuata, plicis fortibus munita.* 
