159 PUPINA $. 2. 
29. P. ambigua (Registoma) 0. Semper. 
.T. imperforata, ovato-elongata, glabra, nitida, subpellu- 
cida, flavido-grisea, aperturam versus aurantiaca; spira sub- 
acuminata, mamillata; anfract. D!/,, convexiusculi, superiores 
regulariter crescentes, mediani inflatuli, ultimus spira brevior, 
descendens; sutura impressa, filomarginata, callosa; columella 
parva, in adultis angulum obtusum eum peristomate formans, 
in adolescentibus incisura obliqua a peristomate disjuneta; 
apertura subascendens, subcircularis, verticalis, basi non pro- 
tracta; peristoma incrassatum, aurantiaeum. —  Operculum 
tenue, corneum, arctisprrum, suturis leviter elevatis, intus 
medio papillatum. — Long. 8, diam. 4,25 mill; apert. intus 
2,50 mill. longa.* (S. — Coll. Nr. 14.) 
Registoma ambiguum O. Semp. in Proc. Zool. Soc. 1864. p. 251; Journ. 
Conch. XIII. 1865. p. 406. t. 12. f. 9. 9a. 
— — Pütel Catal. p. 121. 
Habitat in parte septentrional insulae Luzon (Dr. C. 
Semper). 
* 
30, fusca Gray. (Coll. 15.) I. 146. II. 97. III. 97 (Registoma). — Zu- 
pia vitrea Sow. —  Registoma fuscum Püàtel Cat. p. 121. — Ins. 
Luzon et Mindanao. 
31. Cumingiana Pfr. (Coll. 16.) IL 97. III. 97 (Registoma). — .Regi- 
stoma Cumingianum Pátel Cat. p. 121. — Ins. Tanna Novarum He- 
brid., var. Nova Caledonia. 
32. exigua Sow. I. 147. II. 97. III 97 (Registoma). — Ins. Zebu 
Philippinar. 
33. Nicobarica Pfr. I. 147. II. 97. III. 97 (Registoma). — Kegistoma 
nicobarica Frfd. in Verh. zool. bot. Ges. Wien XIX. 1869. p. 879. 
— Ins. Nicobar. 
34. complanata (Registoma) Pease. t III. 97. — Rhegistoma Jar- 
tens & Langk. Don. Bismark. p. 58. —  Aegistoma complanatum 
Pütel Cat. p. 121. — Marshall's Group. 
35. P. Brazieri (Registoma) Crosse. 1 
».lT. oblongo-ovata, tenuiuscula, pellucida, vitrea, laevi- 
gata, nitidissima, fusco-flavescens aut albido-lutea; spira sub- 
conica, apice obtuso; sutura linea albida marginata, callo 
obtecta; anfr. 6 plano-convexiusculi, penultimus subinflatus, 
ultimus basi attenuatus; apertura subcircularis; peristoma in- 
crassatum, albido-carneum, margine columellari brevissimo, 
supra basin inciso. — Operceulum tenue, stramineo-corneum. 
— Long. 5!/,, diam, maj. 2!/, mill. Apert. 1!/, mill. longa, 
1!/, lata.* (Cr.) 
