52 CONCHOLOGIA (CESTRICA. 
DIAGRAM OF THE SUB-FAMILIES, GENERA, AND SPECIES, OF THE 
FAMILY PUPAD#. 
FaMILy. Sus-FAMILIEs. GENERA. SPECIES. 
ZUA. lubricoidea 
- : 
ZUINE. ACICULA. acicula. 
( fallax, 
| Marginata, 
pentodon, 
PUPADA. PUPIN. LEUCOCHILA. eemiterae 
contracta, 
corticaria,. 
ovata, 
VERTIGINININZE.  Vertico. onde 
milium, 
decora. 
Sub-genus ZUA, LeEacu, 1820. 
Animal of Zua, enlarged.—(Reeve. } 
Fig, 91, 

Shell small, elongated, cylindrical, or sub-conic; 
whorls numerous; apex sub-obtuse; last whorl elon- 
gated, half as long as the shell; aperture ovate; lip 
thin, sub-effuse at base; no umbilicus. 
Z. lubricoidea, STIMPSON. 
Bulimus lubricoides, Stimp., Test. Moll. N. E., 1851. 
Bulimus lubricus, Say, and others. 
Z, lubricoidea.—[B. & B.] Jaw of Z. ltubricoidea.—[ Morse. } 
Fig, 92, Fig, 93. 

Shell oblong-oval, sub-acute, shining, pale brown; 
whorls about 6, slightly rounded; aperture lateral, oval; 
