BELIX-PAPUINA. 



will) hlaekiMi-biown. outer margin not expanded nor thickened, 

 ha<al mar-in narrowly expanded, columellar margin arcuate, re- 

 tlexe.l ami closely appressed. Parietal wall dark brown. 



Ah. I8i, greatest diani. 16.}, lesser 15 mill. 



Maryborough, //^irirh. Plmpamn and Burnett River, Queensland; 

 Richmond River, A". S. Wales, Australia. On trees. 



//. britlirl/li PI-MI., P. Z. S. 1853, p. 49 ; Monogr. iii, p. 644. 

 REEVE, Conch. Icon., f. 1034. H. bidwilli Cox, Monog. Austr. 

 Land Sli., p. 63, t. 2, f. 3. PFR. Nomencl. Hel. Viv, p. 193. 

 BEDLEY, Proc. Ky. Soc. Queensl. v, p. 62, and p. 135, 1888. 



The name was mis-spelled by Pfeifter in his earlier publications, 

 hut the strict rules of nomenclature may perhaps be " more honored 

 in the breach than in the observance/ 1 in this case; and I have 

 therefore, accepted Cox's emendation. 



H. NASO Martens. PL 2, figs. 32, 33, 34, 35. 



I in perforate, depressed-trochiform ; spire conic or concave-conic; 

 la-t whorl conspicuously carinated in the middle, abruptly and 

 deeply descending to the aperture. Sculptured with inconspicuous 

 th-lines and finely obliquely corrugated in a direction at right 

 to the lines of growth. White or rosy-white, having spiral 

 hands <>r irregular radiating patches of purplish-rose color above. 

 Aperture very oblique, rosy-white inside, the parietal wall blackish ; 

 , //x iipjter margin forming two high arches, produced down- 

 them in an acute triangular lobe ; columellar lip broad, 

 adherent to the base. 



There are nearly five whorls, the earlier one or two pink or pur- 

 ple with a sutural white band. The last half of the body-whorl is 

 t narrowed, the keel becoming more obtuse; it is very 

 M\ollcn just behind the aperture. The lip is broadly black- 

 liorderrd. Alt. 21, diani. 31 mill. 



T'lltiiri, Axtr/<ih(; Bay ; ^ft. Astrolabe, Southeast New Guinea. 



If, //</xo v. MART., Jahrb. D. M. Ges. x, p. 82, 1883. H. tappa- 

 ronei \\. A. SMITH, Ann. Mag. N. H. (5th ser.,) xi, p. 190, March, 

 1*^ TAPP. CAN., Ann. Mus. Civ. Genov. xxiv, p. 133. 



A heautil'iil >pecie>, jieeiiliar in thebisinuate black lip. It repre- 

 Qta M line of differentiation intermediate between H. diomedes and 

 //. t>iiil<ii'inun. The specimens before me (figured on plate 2) ex- 

 hibit .-..n-idenihle divei>ity in color-pattern. Although published 



