14 THE CABINET 
Imbricate, - 2 : 3 
Involute,. — - i ‘ : 
Labium, - 3 , 4 
Labrum, - - r ‘ 
Lamella, or Lamina - = 
Lenticular, - z 
Ligament, - - - 
Limbus, - - - - 
Linear, 
Lunated, - - - 
Lunule, or Anus, - - 
Mammilla, - - - 
Monocerous, . - - 
Multiocular, - . - 
Multivalve, - - 
Nacre, - - - - 
Nates, - - - 
Nucleus, - ‘ i : 
Nymphe, or Labia, - 
Obsolete, in conchology, - 
Opaque, - - - - 
Operculum, - - - 
Osseous, 
Parietes, 
Patulous, | 
Papyraceous, - . : 
OF SHELLS. 
like tiles, one over another. 
rolled inwards. 
the columella lip. 
the outer lip. 
a thin layer of scales. 
like a lens, or burning glass. 
the substance that connects 
the valves. 
circuinference of the valves. 
with lines, parallel lines. 
crescent-shaped. 
the depression behind the 
beaks. 
nipple-like protuberances. 
one-horned. 
with many cells. 
with more than two valves. 
like pearl. 
see Umbo. nf 
a beginning, the first layer of 
a shell. 
lip like ridges to which liga- 
ments are attached. 
worn away by age. 
not transparent. 
the lid which closes the aper- 
ture. 
like bone. 
walls, or sides. 
gaping. 
- like paper. 
