OF CONCHOLOGY. 153 



Imbricate, placed over each other at 

 the edges like the tiles of a house. 



Imperforate, not pierced with a hole, 

 wanting the umbilicus. 



InEequilateral, when the anterior and 

 posterior sides make different an- 

 gles with the hinge. 



Inaequivalve, where one valve is more 

 convex than the other, or dissimilar 

 in other respects, as in the common 

 oyster. 



Inarticulate, indistinct, not properly 

 formed. 



Incumbent, one lying over the other. 



Incurvated, bent inwards, crooked. 



Indented, unequally marked, such as 

 rows of teeth. 



Inflated, tumid, swollen, as if blown 

 out. 



Inflected, bent inwards. 



Inflexed, bent towards each other. 



Internode, the space between one 

 knot or joint and another. 



Interrupted, divided, separated. 



x 



