GLOSSARY. 



91 



in general derangements of the 

 mind, except the temporary deli- 

 rium occasioned by fever. 



In'sect (Lat. in, into ; seco, I cut). 

 A class of invertebrate animals, 

 having a body composed of three 

 distinct parts jointed together, with 

 three pairs of feet, and generally 

 wings. 



Insectivorous (Lat. insec'ta, insects ; 

 voro, I devour). Living on insects. 



Insensibility (Lat. in, not ; sentio, 

 I perceive). Loss of the power of 

 feeling or sensation. 



Insesso'res (Lat. in, on; sed'eo, I sit). 

 An order of birds, including those 

 which habitually pei'ch on trees, 

 excepting the rapacious and the 

 climbing birds ; as the crow, star- 

 ling, finch, and swallow. 



In situ (Lat. in, in ; situs, a situa- 

 tion). In the place where it was 

 originally formed or deposited. 



Insola'tion (Lat. in, in ; sol, the 

 sun). Exposure to the rays of the 

 sun ; or the effects of such exposure. 



Insol'uble (Lat. in, not ; solvo, I 

 melt). Incapable of being melted. 



Inspira'tion (Lat. in, into ; spiro, I 

 breathe). The act of drawing in 

 air by the lungs. 



Inspi'ratory (Lat. in, into ; spiro, I 

 breathe). Relating to the act of in- 

 spiration. 



Inspire (Lat. in, into ; spiro, I 

 breathe). To draw in air by the 

 breathing organs. 



Inspiss'ate (Lat. in, in ; spissus, 

 thick). To thicken. 



In'stinct (Lat. instin'guo, I urge on). 

 The power by which, independently 

 of instruction or experience, animals 

 are unerringly directed to do what- 

 ever is necessary for their preserva- 

 tion and the continuance of their 

 species, in a manner incapable of 

 modification or improvement by 

 experience. 



Instinc'tive (Lat. instin'guo, I urge 

 on). Arising from instinct. 



In'sulate (Lat. irisula, an island). To 

 separate ; to surround a body with 

 substances incapable of carrying 

 off the electricity or caloric accu- 

 mulated in it. 



Insula'tion (Lat. irisula, an island). 

 The state of being separated or 

 insulated. 



In'sulator (Lat. irisula, an island). 

 The substance which prevents the 

 passage of electricity from a body. 



In'teger (Lat. entire). The whole: 

 applied especially to whole numbers, 

 in contradistinction from fractions. 



In'tegral (Lat. integer, entire). En- 

 tire ; making part of a whole. 



Integral Calculus. A branch of 

 mathematical analysis, in which the 

 primitive function is derived from 

 its differentiate, or its differential 

 co-efficient. 



In'tegrant (Lat. in'teger, entire). 

 Making part of a whole ; applied 

 to parts which are of the same 

 nature as the whole. 



Intellect (Lat. intel'ligo, I under- 

 stand). The faculty of the human 

 mind which receives and compre- 

 hends the idea enunciated by the 

 senses or by other means. 



Intel'ligence (Lat. intel'ligo, I under- 

 stand). The faculty which leads to 

 the performance of operations as the 

 result of experience, and capable of 

 improvement by exercise. 



Interambula'cra(Lat. inter, between ; 

 ambula'crum). The plates between 

 the perforated plates, or ambu- 

 lacra, in the echinoderms. 



Interartic'ular (Lat. inter, between ; 

 artic'ulus, a joint). Between joints. 



Interauric'ular (Lat. inter, between ; 

 auricfula, an auricle). Between 

 the auricles of the heart. 



Intercal'ary (Lat. inter, between ; 

 calo (Or. Ka\eco, baled), I call). 

 Inserted : applied to the day in- 

 serted in the calendar every fourth 

 year to compensate for the deficiency 

 in the three preceding years : also 

 to a month inserted in the old 

 Eoman calendar to make up a 

 deficiency. 



Intercellular (Lat. inter, between ; 

 cel'lula, a cell). Between cells. 



Intercep'ted (Lat. inter, between ; 

 cap'io, I take). Included or com- 

 prehended between. 



Interclavic'ular (Lat. inter, between ; 

 clav'ide). Between clavicles. 



