338 
PYTHIA §. 2. 
13. P. hepatica Pfr. 
T. imperforata, ovato-conica, solidula, laevigata, ad suturam 
vix striatula, violacescenti-fusca; spira conoidea, acutiuscula; 
varices obtusi, striga obliqua pallida notati; anfr. 8 plani, 
ultimus longe descendens, spiram vix superans, basi subatte- 
nuatus; apertura verticalis, magna, intus cum dentibus livido 
carnea; dentes parietales 2, superior flexuose bicruris, alter 
compressus, subdescendens ; plica columellaris linguaeformis, 
oblique ascendens; perist. sordide aurantiacum, incrassatum, 
marginibus callo crasso, nitido junctis, dextro superne sinuato, 
intus callo lato, inaequaliter tridentato, munito, columellari 
crassissimo, omnino adnato. — Long. 24, diam. maj. 15, 
min. 11 mill. Apert, c. perist. 13 mill, longa. (Coll. Nr. 8.) 
Pythia hepatica Pfr. in Malak. Bl. III. 1856. p. 174; Novit. conch. Fasc. 
XXVIII. p. 357. n. 481. t. 83. f. 7. 8; Auric. Brit. 
Mus. p. 63. 
Habitat . . .? 
u. P. Wallacei Pfr. 
T. imperforata, compresse ovato-acuminata , solidiuscula, 
leviter striata, lutescens, punctis castaneis dense conspersa vel 
subunicolor castanea; spira conica, acuminata, lateribus angu- 
lata, varicibus pallidis; sutura levis indistincta; anfr. 9 — 10 
planiusculi, ultimus 3 / 5 longitudinis fere formans; apertura vix 
obliqua, angustissima; plicae parietales 3, suprema verticaliter 
descendens, angulatim retroflexa, secunda magna, linguaeformis, ; 
tertia minuta, illi parallela; plica columellaris valida, torta, 
subascendens; perist. callo dentifero munitum (dentibus 3 majo- 
ribus, tertio minuto), superne simplex, turn expansum et tenuiter 
reflexum. — Long. 23, diam. maj. 14, min. 10 mill. Apert, 
c. perist. 15^2 mill* longa. (Mus. Cuming.) 
Pythia Wallacei Pfr. in Proc. Zool. Soc. 1861. p. 28. t. 2. f. 2. 
Habitat in insula Batchian (Wallace). 
Obs. Similis P. Borneensi A. Adams, sed imperforata, plica columellaris 
diversa, peristoma tenue. 
15. P. nigricans Pfr. 
T. imperforata, ovato-conica, solida, laevigata, ad suturam 
obsoletissime striatula, subunicolor nigricans; spira convexius- 
culo-conica, acuta; varices obtusi, vix subpallide marginati; 
anfr. 9 planiusculi, ultimus longe descendens, spiram subae- 
quans; apertura subobliqua, semiovalis; dentes parietales 2, 
superior arcuatus, alter simplex, compressus, longe intrans; 
