collected in Japanese Seas. 423 
The operculum of this species has the outer edge, or that 
towards the labrum, prettily serrated. The Red Sea, Philip- 
pine Islands, New Guinea, and Queensland, Australia, are 
other localities of this species. 
31. Nassa stigmaria, A. Ad.; Conch. Icon. vii. f. 42. 
Hab. Ooshima Ebon 8 ere 
32. Nassa spurca, Gould, Otia Conch. p. 129. 
Hab. Ooshima Harbour, 8 fathoms, and Yamada Harbour, 
7 fathoms. 
33. Nassa balteata?, Lischke, Japan. Meeres-Conch. p. 61, 
ligvectees Osa 
Hab. East Niphon, 11 fathoms. 
A single specimen, which may be a variety of this species, 
differs in having a more acute spire, consisting of nine whorls, 
and below the suture numerous narrow oblique brown lines 
flowing from the brown spots which border the whorls. 
34, Nassa tenuis, sp. nov. 
Testa elongata, tenuis, lutescenti-alba, ad suturas et cirea medium 
propeque basim anfr. ultimi pallide rubro fasciata; anfractus 8, 
primi duo leves, politi, ceeteri convexiusculi, costis tenuibus 18— 
20 et liris spiralibus circiter 6 granulose clathrati, anfr. ultimus 
liris spiralibus 16-17 (inferioribus 5-6 circa caudam haud granu- 
latis) cinctus; apertura parva, ovata, longitudinis totius + paulo 
superans ; columella leviter corrugata callo tenui induta, super- 
neque tuberculo parvo munita ; canalis obliquus, brevis, recurvus ; 
labrum incrassatum, intus denticulis circa 10 ornatum, medio 
basique rufo maculatum. 
Long. 12 mill., diam. 5; apertura long. 43, diam. 22. 
Hab. as Sima, 18 fathoms, sand and broken shells; Goza 
Harbour, lat. 34° 18) } N., long. 136° 45! E., 6 fathoms, sandy 
mud ; Ooshima Harbour, 8 fathoms, sandy mud and broken 
shells. 
This is a very delicately sculptured species. The fine ribs 
and spiral lirations are very prettily and somewhat quadrately 
noduled at the points of intersection. One specimen is a 
little less elongate than the rest. 
35. Nassa fuscolineata, sp. nov. 
Testa brevis, pallide cornea, circa basim anfr. superiorum et medium 
anfr. ultimi linea fusca costis interrupta cincta; anfractus 8, 
primi tres leves, politi, ceeteri conyexiusculi, costis rotundatis 12 
