68 GLOSSARY. 



Innerva'tion (L. in, into ; nervus, a nerve). The distribution 

 of nerves to an animal or to a region of the body. 



Insaliva'tion (L. in, in ; saliva, spittle). The process of 

 mixing the food with the saliva. 



Insectl'vora (L. voro, I devour). A group of mammals living 

 mainly upon insects. 



Inser'tion (L. insertio, an engrafting upon). The point by 

 which a muscle is attached to the part to be moved. 



Inses'sores (L. in, on or in ; sessor, one who sits). According 

 to the old system of classification, an order of birds which 

 comprised the crows, swifts, woodpeckers, and cuckoos. 



Inspira'tion (L. insjnro, I breathe in). The act of taking in air. 



Inspis'sation (L. spissare, to thicken). The thickening of a 

 fluid by the evaporation of moisture, as in the juices of 

 plants. 



Integropalliate (L. integer, whole, entire ; pallium, a mantle). 

 A term applied to those Lamellibranchs which have the 

 pallial line unbroken by notches. 



Integument (L. integumentum, a covering). The external 

 protective covering of a plant or animal. 



Intercellular (L. inter, between ; cella, a cell). The spaces 

 or material between or among cells. 



Interclavi'cula (L. inter, between ; clavtcula, the collar-bone). 

 A median membrane bone.developed in many Vertebrata 

 between the clavicles, (called also the episternum.) 



Intercostal (L. inter, between; costa, a rib). Between the 

 ribs, as the intercostal muscles. 



Intercru'ral (L. inter, between). A term applied to the added 

 neural arches of the vertebrae when more than one is 

 formed to each vertebra. 



InterlSTmlar (L. inter, between). Between the lobules; ap- 

 plied specially to the small branches of the portal vein 

 which go between and surround the lobules of the liver. 



Interme'dinm (L. intermedius, intermediate). One of the 

 bones of the carpus, also termed Centrale. 



Intermesent^'ric chambers (L. inter, between). The divisions 

 of the somatic cavity in the Actinozoa, which are between 

 the mesenteries. 



In'ternode (L. inter, between ; nodus, a knot). The interval 

 between two successive nodes in the stem of a plant. 



In'ter-6'cular (L. between the eyes). The name given to a 

 glandular body, known also as the " browspot," on the fore- 

 head of the frog, the function of which is unknown. 



