181 
This small species is distinguished from Chemn. cornea by the 
rounded whorls and straightness of the columella: the ribs are also 
flexuous. 
18. Cuemnirzia urrata, A. Adams. C. testa aciculata, subcy- 
lindrica, albida, anfractibus planulatis, sutura profunda, costis 
rectis, distantibus, lineis elevatis, transversis decussatis, inter- 
stitiis liris transversis, elevatis clathratis, anfractu ultimo sulco 
transverso ad partem anteriorem ; apertura ovali; columella cur- 
vata.—Long. + poll. 
Hab. Ceylon, deep water (Dr. Gardner). Mus. Cuming. 
The ribs are crossed with coarse raised lines, and the interstices 
strongly clathrated. 
19. CHemMNniTziA corNEA, A. Adams. CC. testa turrito-lanceo- 
lata, cornea, anfractibus planulatis, costis subrectis, confertis, 
superne angulatis, interstitiis simplicibus ; apertura ovali; colu- 
mella incurvata, in medio plica obliqua instructa.—Long. + poll. 
Hab. Eastern Seas. Mus. Cuming. 
Chiefly distinguished from Chemn. Boholensis by its large size and 
flattened whorls: the columella, moreover, is arched, and the aper- 
ture oval. 
20. Cuemnitzia concinNA, A. Adams. C. testa cylindraceo- 
aciculata, gracili, alba, anfractibus rotundatis, costis rectis, sim- 
plicibus, subconfertis, interstitiis punctatis; apertura subqua- 
drata ; columella superne plicata.—Long. 4 in. 
Hab, Island of Bohol, Philippines, 60 fathoms. Mus. Cuming. 
This is a small, elongated, semipellucid species, with the ribs pro- 
minent and the interstices apparently punctate, owing to spiral trans- 
verse lines. 
21. Cuemnirzia Fusca, A. Adams. (C. testa turrito-lanceolata, 
nitida, rufo-fusca, anfractibus rotundatis, superne subangulatis, 
sutura profunda, costis angustis, simplicibus, frequentibus, inter- 
stitia equantibus, interstitiis levibus ; apertura subquadrata; colu- 
mella plica obliqua.—Long. + poll. 
Hab. Port Lincoln. Mus. Cuming. 
A small, shining, red-brown species, with convex whorls and nume- 
rous thin ribs. 
22. Cuemnirzia varicosa, A. Adams. (Pl. XX. fig.15.) C. testa 
magna, turrito-subulata, pallide fusca, fusciis rufis, pallidis or- 
nata, anfractibus planulatis, varicosis, costis frequentibus, confer- 
tis, rectis, liris elevatis, transversis decussatis ; interstitiis lineis 
elevatis, transversis clathratis ; apertura subquadrata ; columella 
recta, torquata.—Long. 1 poll. 
Hab. Eastern Seas. Mus. Cuming. 
A large, thin, brown, decussated species, with a prominent varix 
on each whorl. 
23. CHEMNITZIA CANDIDA, A. Adams. C. testa turrita, subu- 
lata, candida, anfractibus convexiusculis, costis simplicibus, flexuo- 
