PYTHIA $. 2. 9209 
pliea columellaris linguaeformis, obliqua, extus ad marginem 
producta; perist. fulvo-lividum, marginibus callo tenui junctis, 
dextro regulariter arcuato, reflexiusculo, intus callo inaequaliter 
sexdentato munito (dentibus 2 supremis, quarto et sexto mino- 
ribus), columellari crasso, adnato. — Long. 21, diam. 12!/,, 
min. 10 mill. Apert. c. perist. 11!/, mill. longa. (Coll. Nr. 9.) 
Pythia nigricans Pfr. in Malak. Bl. III. 1856. p. 174; Novit. conch. Fasc. 
XXVIII. p. 358. n. 482. t. 83. f. 9. 105 Auric. Brit. 
Mus. p. 64. 
Habitat . . .? 
16. P. tortuosa Mousson. 1 
.l. immperforata, nec rimata, compresse ovata, vix stria- 
tula, laevigata, vel unicolor fuscula, vel luteo brunneoque 
maculata. Spira compresso-conica; sumimo acuto, regulari; 
sutura simplici, ad varices descendente. Anfr. 10, plani, arcuatim 
plieato-striati, varicibus macula alba, parvula ornatis; ultimus 
descendens, subtrapezialiter ovatus, ad regionem umbilicarem 
valde attenuatus. Apert. subverticalis (89 cum axi), spiram 
vix superans, anguste oblique semiovalis, pallide lutea. Dentes 
parietales 2, superus triangularis, bieruris, crure supero aeque 
prolongato, paulo curvato, inferus validus, simplex; plica colu- 
mellaris QAUM avit gracilis, antice producta, in marginem 
basalem curvata. Perist. breviter reflexum, extus albo margi- 
natum, intus interdum fusco maculatum; marginibus callo 
tenui junctis; dextro supra subsimplici, tum late labiato, 5-den- 
tato, dentibus tertio et quinto majoribus, secundo parietali stricte 
opposito; columellari brevissimo, superne arcte et concave ap- 
presso, lateraliter externe curvatim producto. — Alt. 21, diam. 
maj. 12, min. 9,8 mill. — Rat. anfr. 17:9. — Rat. apert. 4:3. 
B. infidelis. — Subrimata, paulo gracilior, fuscula, subuni- 
color, margine columellari minus demisso et minus appreso.* (M.) 
Pythia tortuosa Mouss. in Journ. Conch. XIX. 1871. p. 19. t. 3. f. 6. 
— — . Pütel Catal. p. 114. 
— — JSchmeltz in Mus. God. cat. V. p. 87. 
Habitat in insulis (Tonga) Uea et Futuna (Grüffe). 
* 
17. imperforata (Scarabus) A. Adams. (Coll. 10.) I. 80. II. 60. — 
Pütel Cat. p. 114. — Searabus imperforatus Issel Moll. Born. p. 
61. — Borneo. 
18. P. Crosseana (Scarabus) Gassies. t 
»Llesta imperforata, abbreviato-obesa, griseo-coerulea, ad 
aperturam alba, sparsim brunneo- maculata, longitudinaliter 
22* 
