271 
1872.] F. Stoliczka — On tie Oyclostomacea of Penang. 
LAOOCITF.rTXS sxmoLATrs, n. sp. PI. X, Fig. 1G. 
L. testa turrito conoidea, anguste wmbilicata ; anfractibus 5'5 con- 
vexis, sutura simplici junctis, ultimo ad peripleriam inferiorem vix- 
angulato ; apice Ixvigato , olivaceo ; anf. ceteris cuticula fusca vel brun- 
nea indutis, transversim oblique subdistanter, ct spiraliter densissime, strio- 
latis ; Iasi sub-hcvigata vel sub-obsolete spiraliter striatula ; apertura ampla, 
sub-circulari, peristomate postice ad angulum prof unde inciso, infra ad latus 
basale conspieuiter producto, bilabiato, labio interno in junioribus violaeeo, in 
adultis ad marginem albido, externo undigue fere cegualiter planegue dilatato, 
corneo. Operculum tenue, corneum, multispiratum. IJiam. mqj. 6, diam. 
min. 5, alt. testce G'G ; diam. apert. int. 2-G, ext. 3'2 m. m. 
This smaller form resembles L. tomotrema ancl leporinus, but it is 
distinguished from both by a slightly larger spiral angle, rounded (not 
angulated) whorls, and by the very dense, filiform, spiral striation. 
Hob. Penang. Under dead leaves on the ground along the base of the 
hills, together with the last species ; rare. 
Animal leaden grey, with moderately elongated, darker, cylindrical ten- 
tacles ; eyes on minute bulgings, joined on the inner side to the base of the 
tentacles ; upper posterior part of the foot with a narrow glandular slit, ex- 
tending from the operculigerous lobe to the end ; lateral pedal row very 
thin. 
