See Yeas! 
Prate III. 
Species 11. (Mus. Cuming, in Mus. Brit.) 
Atys TRUNCATULA. At. testa minutd, cylindrica, 
levigatd, supra angustatd, apice truncate, labio 
externo retrorsim disjuncto ; columella tenuiter re- 
Jlexd, subtortud ; lateribus rectis ; apertura supra 
angustata, infra subtruncata. 
Tue LITTLE TRUNCATED Arys. Shell minute, cylindri- 
cal, smooth, narrowed above, apex truncated, with 
the outer lip separated backwards; columella 
thinly reflected, shightly tortuous; sides straight ; 
aperture narrowed above, subtruncated below. 
Bruauiere. Ene. Met., Phil. En. Moll. Sci. t. 7, p. 21. 
Bulla umbilicata, Montagu. 
Hab. Sicily. 

Species 12. (Mus. Cuming, in Mus. Brit.) 
Arys monoponta. At. testd parvd, cylindrica, brevi, 
alba, solidd, longitudinaliter striata ;  lateribus 
rectis, apice umbilicato, truncato; apertura an- 
gusta ; columella brevissima, 
dentiformi. 
SINGLE-TOOTHED Arys. 
tortud, truncata, 
THE Shell small, cylindrical, 
short, white, solid, longitudinally striated, sides 
straight; apex umbilicated, truncated; aperture 
narrow, columella very short, tortuous, truncated, 
tooth-shaped. 
A. Abas. In Sowerby’s Thesaurus, Bulla, sp. 92. fig. 118. 
Hab. Forneo, 
This pretty little shell belongs to a group in which 
the short truncated columella resembles a tooth. 

Species 15. (Mus. Cuming, in Mus. Brit.) 
ATYS DENTIFERA, At. test@ parva, ovati, solidd, brevi, 
levi; apice subtruncato, subumbilicato ; apertura 
angustd, columella brevi, tortuosd, in dentem acutum 
producta. 
Tue roory-Bearing Arys. Shell small, ovate, solid, 
short, smooth; apex subtruncated, subumbilicated, 
aperture narrow, columella short, tortuous, pro- 
duced into a sharp tooth, 
A. Apams. In Sowerby’s Thesaurus, Bulla, sp. 93, 
fig. 124. 
Hab, Lord Hood's Island. Cuming. 
April, 
| THE PYRIFORM 

This pretty little Atys, with quite a produced co- 
lumellar tooth, was found on specimens of the Avicula 
Margaritifera. 
Species 14. (Mus. Metcalfe, oli.) 
Arys sprciosa. At. testd alba, solidd, subpyriformi, ad 
apicem umbilicata angustatd, longitudinaliter striatd, 
medio ventricosd ; apertura angustatd, antice sub- 
expansi; columella arcuata, brevi, subplanulata, 
labio externo inttis incrassato, supra medium sinua- 
tim producto. 
Tue srecious Atys. Shell white, solid, subpyriform, 
umbilicated and narrowed at the apex, longitudi- 
nally striated, very ventricose in the middle ; 
aperture narrow, slightly expanded in front; co- 
lumella arched, short, rather flattened, outer lip 
thickened within, sinuously produced above the 
middle. 
A. Apams. Sowerby’s Thesaurus, Bulla, sp. 91, f. 122. 
Hab. (?) 


Species 15. (Fig. a, b, Mus. Cuming, in Mus. Brit.) 
Arys tortuosa. At. testd ovoided, subfusiformi, pellucidd, 
subviridi, utrinque subumbilicata, apice contracto, 
acuminato, labio interno supra apicem tortuo, colu- 
mella tenui, tortud ; labio externo supra inflexo. 
Tue tortuous Atys. Shell ovoid, subfusiform, pellu- 
cid, rather green, subumbilicated at both ends; 
apex contracted, acuminated, inner lip tortuous 
above the apex; columella thin, tortuous; outer 
lip inflected above. 
A. Apams. In Sowerby’s Thesaurus, Bulla 89, fig. 120. 
Hab. Island of Camaguiney, Philippines. 
A shell of remarkable form, big, narrowed, and sub- 
acuminated at each end. 
Species 16. (Mus. Cuming, in Mus, Brit.) 
Arys pyrivormis. At. test@ parva, alba, pyriformi, ad 
apicem angustissimd, medio et infra inflata, utrinque 
umbilicatd » apertura postice angustissimd, antice 
expansd ; columella tenui, rectiusculd. 
Atys. Shell small, white, pyriform, 
very narrow at the apex, inflated at and beneath 
1869. 
