239 



to the Spiral lirations, visible to the unaided eye, there are many closely spaced, 

 more or less interrupted, very fine, wavy lines which can be seen under the micros- 

 cope. Base well rounded and narrowly umbilicated. 



Aufenthalt im Fluss Baganga bei Surigao auf Mindanao. 



126. Vivipara buluanensis Bartsch. 



Taf. 49. Fig. 11. 



Testa late conica, subturrita, tenuiuscula, nitida, viridi-fusca. Anfractus 6'/2 inflati, 

 infra suturam valde impressam distincte planato-humerosi , ultimus ad peripheriam obsolete 

 angulatus, striis incrementi lineolisque contertis undulatis spiralibus obsolete decussatus, late 

 €t sat aperte umbilicatus. Apertura modice magna, ovata, intus fuscescenti alba; peristoma 

 callo teuui semipellucido brevi continuum, basi leviter expansum et reflexum. Operculum 

 rufo-aurantiacum, nucleo parum depresso excentrico. 

 Alt. 30,8, diani. raaj. 22,3, liiin. 28,8 mm. 



Vivipara buluanensis Bartsch, in: Pr. U. St. National Museum 1907 vol. 32 

 no. 1518 p. 140 t. 1 1 fig. 15. 



„Shell thin, subturreted, broadly conic, light brown, shining. All the whorls 

 inflated and well rounded, with a broad rounded Shoulder at the sumrait. Sutures 

 strongly impressed. Periphery of the last whorl with a mere indication of an angu- 

 lation. Base short , well rounded , rather broadly openly umbilicated. The entire 

 surface, both on the spire and on the base, marked by many moderately streng lines 

 of growth, and many fine equally developed and subequally spaced wavy spiral lira- 

 tions. The Crossing of these two elements lend the shell a finely reticulated sculp- 

 ture. Aperture moderately large, oval, white with a brownish finge within; outer 

 lip thin; columella very slender, somewhat expanded at base and sligthly reflected; 

 parietal wall covered whith a short, thin, semitransparent callus. Operculum reddish 

 orange, with but slightly depressed eccentric nucleus and many lines of growth." — 



Aufenthalt im See von Buluan auf Mindanao. 



127. Vivipara buluanensis boholensis n. 



Taf. 49. Fig. 12. 13. 



Testa late et sat aperte umbilicata, late conica, subturrita, solidula, virescenti-fusca 

 summo saturatiore, fusco-coerulescente. Spira conico turrita apice acutissimo, integre; sutura 



