GLOSSARY. 393 



Imbricated, lapping over each otlier like the tiles of a house. 



Inarticulate, without joints. 



Incrassated, thickened in any part. 



Incurved, bent inwards. 



Inflected, bent inwards. 



Inosculation, the union of two vessels at their extremities. 



Integument, a natural covering of the body, as the skin. 



Interstice, the space between elevations and depressions. 



Invertebrate, destitute of a backbone. 



Involute, roUed inwards. 



Iridescent, having colours like the rainbow. 



Juncture, a joiut or articulation. 



Labial, pertaiuing to the hp. 



Lamellated, divided into layers or plates. 



Lanceolate, tapering to a poiut hke a lance. 



Larynx, the upper part of the windpipe. 



Latticed, m oj)en squares like net-work. » 



Lobed, having lobes or broad finger-Hke divisions. 



Limuted, in the shape of a crescent. 



Mammillated, having little globes like nipples. 

 Mesial or Medial, placed in the middle. 

 Mucronate, ending in a mucro or sharp rigid point . 

 Muricated, rough with points. 



Nascent, beginning to exist. 



