400 
DIPLOMMATINA §. 7. 
ultimus antice subarcuatim ascendens, basi attenuatus; apertura 
subverticalis, circularis, edentula; perist. callosum, simplex, con- 
tinuum, superne adnatum, caeterum anguste expansum. — Long. 
2 2 / 3 , diam. 1 ] / 2 ; apert. diam. yix 1 mill. 
Palaina pupa 0. Semp. in Journ. Conch. XIII. 1865. p. 292. (Nomen.) 
— — Crosse ibid. XIV. 1866. p. 349. t. 2. f. 5. 
— — Patel Catal. p. 118. 
Diplommatina pupa Pfr. in Malak. Bl. XXIII. 1876. p. 20. 
Habitat Peleliu insularum Pelew. 
7o. 0. dimorpha (Palaina) 0. Semper. 
T. sinistrorsa, rimato-subperforata, ovata, solidula, pallide 
fusca, dimorpha; spira ventrosa, apice breviter acutiusculo- 
conico; sutura profunda; anfr. 6 1 /! — 7 convexi, supremi con- 
fertim costulato-striati, sequentes distanter et verticaliter com- 
presso-costati , penultimus inflatus, prominens, confertissime 
subarcuato-striatus, ultimus angustior, antice ascendens, versus 
aperturam denuo fortius et remotius costatus; apertura verti- 
calis, subquadrato - rotundata , intus nitida, edentula; perist. 
nitidum, subcontinuum, vix expansulum, saepe crista compressa 
patente cinctum. — Long. 4, diam. 2 1 / ? ; apert. diam. 1 mill. 
Palaina dimorpha O. Semp. in Journ. Conch. XIII. 1865. p. 292. (Nomen.) 
— — Crosse ibid. XIV. 1866. p. 349. t. 10. f. 6. 
— — Patel Catal. p. 118. 
Diplommatina dimorpha Pfr. in Malak. Bl. XXIII. 1876. p. 20. 
/$. Var. ? Palaina Wilsoni Crosse 1. c. t. 10. f. 4. Non Semp. 
Habitat Peleliu insularum Pelew. 
71 D. Wilsoni (Palaina) 0 . Semper. 
T. sinistrorsa, vix rimata, distorto-fusiformis, tenuiuscula, 
confertim capillaceo-striata, subserica, albescens; spira ovata, 
in conum acutiusculum terminata; sutura profunda, lamelloso- 
crenulata; anfr. 6 — 6 1 / 2 convexi, primi 4 regulariter crescentes, 
antepenultimus inflatus, penultimus recedens, angustus, ultimus 
paulo distantius costatus, antice in ilium ascendens; apertura 
verticalis, subcircularis, edentula; perist. duplicatum, internum 
subcontinuum, brevissimum, externum ad parietem excisum, 
caeterum breviter patens. — Long. 5, diam. 2 i / 2 ; apert. diam. 
l l / 2 mill. (Ex specimine authentico coll. Dohrnianae.) 
Palaina Wilsoni O. Semp. in Journ. Conch. XIII. 1865. p. 292. n. 12. 
(Nomen.) Non Crosse ibid. XIV. t. 10. f. 4. 
— — Crosse ibid. XIV. 1866. p. 349 (nomen exclusa fig.). 
