316 MELAMPUS $. 6. 
$. 6. 
68. piriformis (Auricula) Petit. (Coll. 28.) I. 44. II. 32. — Cono- 
vulus maurus Mühlf. —  Auricula maura Küst. — Pythia. maurus 
Ant. — Melampus laeryma Beck?, pyriformis et maurus H.& A. Adams. 
— 'Tumaco Columbiae occidentalis. 
69. bidentatus Say. (Coll. 29.) I. 45. II. 33. — .Binn. 'Terr. Moll. IV. 
p. 156. t. 75. f. 23; Land- and freshw. sh. North-Am. II. p. 10. 
f. 11. 12. —  Tryon in Amer. journ. conch. IV. p. 8. t. 18. f. 5. 
— .Pütel Cat. p. 114. —  Auricula cornea Desh., bidentata Gould, 
Jaumei Mittre ( Melampus? Jaumei Pfr. I. 25. II. 18.) — Melampus 
corneus Beck, lineatus Say, borealis Conr. in Mus. Cuming. (Non 
in Amer. journ. sc. XXIII. Vid. A/erxia myosotis) — America 
septentrionalis. 
70. ? obovatus H. & A. Adams. I. 46. II. 34. — Conf. Melampus 
Liberianus H. & A. Adams Nr. 12. — Liberia. 
71. M. sculptus Pfr. 
T. subperforata, fusiformi-oblonga, solidula, superne 
distincte costato-plicata, saturate castanea; spira conica, mu- 
cronata; sutura distincta, subcrenata; anfr. 10—11 planiusculi, 
ultimus ?/. longitudinis subaequans, subvaricosus, infra suturam 
et ad basin attenuatam plicatus, medio laevigatus; apertura 
verticalis, angusta, basi rotundata; plica parietalis 1 levis, 
profunda; pliea columellaris tenuis, obliqua, marginem attin- 
cens; perist. simplex, acutum, margine dextro intus obsoletis- 
sime transverse plicato. — Long. 10, diam. Db mill  Apert. 
61/, mill. longa, intus medio 1!/, lata. (Mus. Cuming.) 
Melampus sculptus .Pfr. in Proc. Zool. Soc. 1859. p. 29. 
Habitat ,,Admiralty Islands*. 
:2. M. Tongaensis Mousson. 1 
.T. imperforata, inverse conico-ovata, obtuse irregulariter 
striata, fusco-virescens, obscura. Spira obtuse conica; summo 
minimo, vix prominulo; sutura involvente, subirregulari. Anfr, 8, 
lente acerescentes, irregulariter striatü, ad suturam pallidiores; 
ultimus ovato-conicus, supra vix rotundato-angulatus, nec ph- 
catus, nec suleatus, ad basin subtumidulus. Apertura subver- 
ticalis (6? cum axi), ?/, altitudinis vix superans, elongata, 
infra latior. Plicae parietales 2, inferae, subcontiguae, infera 
minor, interdum evanescens; plica columellaris volvens, par- 
vula, basi approximata.  Perist. rectum, subacutum; margine 
dextro fere recto, intus profunde plicis 2, vix distinctis, prae- 
dito; basali arcte curvato; columellari incrassato, reflexo et 
adnato. — Altüt. 8—9, diam. 4,5 mill. — Rat. apert. 3:1. 
