400 DIPLOMMATINA $. 7. 
ultimus antice subarcuatim ascendens, basi attenuatus; apertura 
subverticalis, circularis, edentula; perist. callosum, simplex, con- 
tinuum, superne adnatum, caeterum anguste expansum, — Long. 
22/,, diam. 1!/,; apert. diam. vix 1 mill. 
Palaina pupa O. Semp. in Journ. Conch. XIII. 1865. p. 292. (Nomen.) 
— — Crosse ibid. XIV. 1866. p. 349. t. 2. f. 5. 
— —  Pütel Catal. p. 118. 
Diplommatina pupa Pfr. in Malak. Bl. XXIII. 1876. p. 20. 
Habitat Peleliu insularum Pelew. 
70. D. dimorpha (Palaina) 0. Semper. 
T. sinistrorsa, rimato-subperforata, ovata, solidula, pallide 
fusca, dimorpha; spira ventrosa, apice breviter acutiusculo- 
conico; sutura profunda; anfr. 6!/,—( 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!/5; 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. 
— — Pütel Catal. p. 118. 
Diplommatina dinorpha  Pfr. in Malak. Bl. XXIII. 1876. p. 20. 
B. Var.? Palaina Wilsoni Crosse l. c. t. 10. f. 4. Non JSemp. 
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!/, convexi, primi 4 regulariter crescentes, 
antepenultimus inflatus, penultimus recedens, angustus, ultimus 
paulo distantius costatus, antice in illum ascendens; apertura 
verticalis, subeircularis, edentula; perist, duplicatum, internum 
subcontinuum, brevissimum, externum ad parietem excisum, 
caeterum breviter patens. — Long. 5, diam. 2!/;; apert. diam. 
l'/ mil. (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.). 
