96 PYTHIA $.3. 
vexior, basi subsaecatus, antice compressus; apertura vertica- 
lis, angusta; dentes parietales 9, summus triangularis, acutus 
(erure longiore verticali, breviere obliquo), secundus linguae- 
formis, introrsum descendens, tertius minutus, ilh parallelus; 
plicae columellares 2, altera verticalis , stricta, altera lunaris, 
subascendens; perist. lhividum, margine dextro in fundo callo 
obliquo irregulariter 5 —6-dentato munito, superne vix refle- 
xiusculo, deorsum late expanso, effuso, margine columellari 
dilatato, patente, — Long. 23!/,, diam. maj. 14, min. 11 mill. 
Ap. c. perist. 16 mill. longa. (Mus. Cuming. et Coll. Nr. 57.) 
Scarabus | Borneensis 4. Adams in Proc. Zool. Soc. 1850. p. 152 *). 
Conf. Ann. and Mag. 2d. ser. VIII. p 70. 
Pythia. Borneensis Pfr. Syn. Auric, n. 93. 
— m H et 4. Adams. Gen. rec. Moll. II. p. 240. 
Habitat in insula. Borneo (Taylor). 
112 27. W^. Argemvillei E*fr. 
T. subperforata, elliptica, tenuiuscula, levissime striata, 
palide fulva, punetis et maculis castaneis conspersa; spira 
elongata, gracilis, concavo-conica, apice acutiuseula; varices 
obsoleti, albomaeulati ; anfr. 10 — 11 planiusculi, ad suturam 
linearem distinctius striati, antice vix descendentes, ultimus 
spiram subaequans, basi attenuatus, compressus; apertura sub- 
verticalis, anguste semiovalis; dentes parietales 2, superior tri- 
angularis, subbieruris, alter validus, compressus, intrans, extus 
subduplicatus; plica columellaris valida, crassiuscula, vix ascen- 
dens; perist. acutum, margine dextro superne recto, infra me- 
dium expansiusculo, intus dentibus 3 inaequalibus munito, 
columellari dilatato, reflexo, umbilieum fere claudente. — 
Long. 26, diam. max. 13,-min. 9!/, mill. Ap. 13 mill. longa, 
perist. 9 lata. (Mus. Cuming. et Coll. Nr. 58.) 
Pythia. Argenvillei Pfr. in Zeitschr. f. Malak, 1853. p. 191. 
— -- Pfr. Syn. Auric. n. 94. 
— — H. et 4. [4Adems Gen, vec. Moll. IF. p. 249. 
D' Argenville Conch. t. 9 (12). f. T. 
*) S. testa ovato-pyramidali, luteo-fusca, eastaneo confuse fasciata, lae- 
viuseula; epidermide tenuissime, longitudinaliter striata; apertura oblonga, 
angusta, spiram subaequante, anfraetu ultimo inferne subangulato ; fovea 
umbilieali angusta ; transversa. — 'Phis species is narrower and more ovate 
than Se. plicatus, of a much smaller size; the outer lip is rectilinear in 
the middle; the teeth of the outer lip are connected by an elevated ridge, 
and three of the teeth are more prominent than the others. (A Adamsl. c.) 
