PARTULA §. 1. 155 



2. P. Thetis O. Scmper. •{- 



(cT. aperte et compresse umbilicata; conico - pyramidala, 

 fusco-brunuea, apicem versus nigricans remote leviter strigata 

 et lineis spiralibus subrugulosis et eximie Uuctualis cincta; 

 spira conica, apice elongato-mamillato; anfract. 57^ convexius- 

 culi, sutura subfilosa, striolata; ultimus convexus, regulariter 

 rotundatus, antice subascendens; columella subarcuata; aper- 

 tura oblongo- subrotundata, fere recta; peristomium lutescens, 

 infuscatum, undique late expansum, labro dextro inlus nodoso. 

 — Long. 30, diam. 16 mill.; apert. c. perist. 17 mili. longa, 

 intus 5 lata.» (S.) 



Partula Thetis 0. Semp. in Journ. Conch. XIII. 1865. p. 419. 

 t. 12. f. 6. 

 Habitat cum praecedente (Dr., C. Semper). 



3. (i.) conica Gould. — Conf.it/oifss. in Journ. Conch. XIII. 1865. 

 p. 171. — Ins. Saraoa, Raraka. (III. 445.) 



4. P. Lcucothoe O. Semper. -^ 



«T. aperte et compresse umbilicata, conico - pyramidata, 

 tenuissima, alba, subhyalina, irregulariter subsulculata , lineis 

 spirahbus densissimis et subfluctuatis sculpta; spira pyrami- 

 data, acutiuscula; sulura albofilosa et substriolata; anfract. Sy^ 

 subplani, ultimus spira paulo major, antice subascendens; colu- 

 mella profunda, leviter arcuata; apertura obliqua, oblonga, sub- 

 compressa, marginibus subparallelis; peristomium album, tenue, 

 aequahter late expansum. — Long. 22, diam. 12 mill. ; ap. c. 

 perist. 12 mill. longa, intus 4 lata.» (S.) 



Partula Leucothoe 0. Semp. in Journ. Conch. XIII. 1865. 

 p. 417. t. 12. f. 5. 

 Ilabitat Peleliu in insulis Palaos dictis (Dr. G. Semper). 



5. P. canalis Mousson. ^ 



(cT. sinistrorsa^ umbilicata, conico - elongata , tenuiuscula, 

 striatula , non decussatula , parum nitida; fuscula. Spira 

 conica, regularis; apice subacuto, violaceo; sutura linea alba 

 marginata, simplici. Anfr. bV^ exserti, fere planiusculi; ultimus 

 magnus, '74 spirae aequans, elongalus, ad umbilicum convexior, 

 antice paulo ascendens. Apertura subverticalis, ovato-oblonga, 

 inlra subeffusa. Perist. album, plane reflexura, modice expan- 

 sum; marginibus subparallelis, libero ad insertionem ascen- 

 dente, columellari elongato, supra canali subplicoso impresso. 

 — Diam. maj. U, min. 12^3 , altit. 29 mili. » (M.) 



