98 
REGISTOMA. 
596. 
597. 
598 . 
glabra, vix obliqua, laete fusco-flavescens ; anfr. 6 , ultimus 
leviter obliquiis ; sutura marginata (?) sed callo obtecta ; apex 
obtusus; apertura fere circularis ; labrum externum extus sub- 
incrassatum, labium internum basi incisum. — Dimensiones? 
Regislorna complanalum Pcrtse^') in Proc. Zool. Soc. 1860. p. 440. 
Habitat in insula Ebon „Marshalls Group. “ 
XXL Callla Gray. 
Pfr. Mon. Pneum. p. 148. Suppl. p. 97. 
Species : 
1. lubrica Gray. (Coll. 203. — Ins. Philippin.) . Pneum. II. p. 98. 
2. C* leadens 
T. imperforata, ovato-conica, tenuiuscula, laevigatissima, 
nitida, pellucida, rubello-cornea ; spira subregulariter conica, 
apice acutiuscula; sutura impressa, distincte marginata; anfr. 
5 modice convexi, ultimus spira vix brevior, non descendens; 
apertura verticalis, imperfecte circularis; perist. incrassatum 
et expansum, marginibus distantibus, utroque integro, colu- 
mellari subtumido. — Long. 6 ^/ 3 , diam. 4 mill. Apert* 3 mill, 
alt. (Coll. Nr. 204.) 
Callia splendens Dohrn in Proc, Zool. Soc. 1862. p. 183. 
Habitat „Lizard Island^ orae Australiae. 
3. C« Wallace! Pfr* 
T. irregulariter pupaeformis, solidula, laevigatissima, callo 
nitido obducta, fulvo-carnea vel albida; spira irregularis, apice 
*) Shell elongately circular, light, thin, pellucid, vitreous, straight; 
whorls six, last slightly oblique, surface smooth, enamelled [sutures margi- 
nated (?) but covered with enamel, rendering the entire surface smooth]; 
apex obtuse ; aperture nearly circular (semilunar) ; outer lip slightly thickened 
externally; inner lip notched at base. Colour light brownish yellow. “ (P.) 
