GLOSSARY. 



A.B-DO mkn. In mammals the part 

 of the trunk below or behind 

 the thorax; in insects the third 

 region <>f the body, or hind 

 body. 



A B i.i; B w r. De parti ug from the 

 ilar or normal t\ pe. 



A b <> k \i.. Opposite the oral or 

 mouth region. 



A i-.i: w chi-ate (Gr. a, without; 

 bragcliia, gills). Without bran- 

 chiae <>r uills. 



Am mi-nati Ending in a pro- 

 longed point. 



Ai».ve'o-lu8. A cavity forming 

 tin- socket in tin' jaws of verte- 

 brates for the teeth. 



A\1 i;i I \ CR1 M I I. at. from ,iin?>u- 



lan . to walk, a garden walk) 



The perforated space or an a 

 ill the shell of the sea-tlichill or 

 the arm of a -tar lish, through 

 which the foot tubes or ambu- 

 lacra! feet are protruded. 

 A-mivia BO-LIC (Gr, .1, without ; 



metabole, change). Referring 



to insects and other animals 

 which do no! undergo a meta- 

 morphosis. 

 A MOB mors (Gr. .t. without ; 

 morjihr, form). Without a defi- 

 nite figure ; shapeless ; espe- 

 cially applicable to sponge*. 



A m phi-CCE mo s i<Jr. ampJU; 

 koilos, hollow i. Applied to 

 vertebrae which are doubly 

 concave, or hollow at both 



ends. 



An \i <> i.v (Gr. a . propor- 



tion). The relation betw< 

 organs which differ in struc- 

 ture, but have a similar func- 

 tion; as the w ingfl of in- 1 

 and birds. 



A n lb-to mo mm., [nosculating 

 <>r running into each other like 

 veins. 



A n . 1 1 v lo -is. The growing to- 

 iier of two bones bo • 

 prevent motion between them. 



A n m i \ 1 1 When a leg or an- 

 tenna is Burrounded by narrow 

 rings of a different color. 



A n v (in- ; m . Referring to 

 those mammal- in which the 

 embryo- are destitute of a pla- 

 ta. 



A po Dot - Footh BS 



Ar it rous Qr . . without ; pier- 

 on, wing). Destitute of wings. 



A <,>i i i i koi - Lat. aqua, water; 

 1 carrj >. Applied to the 

 water-carrying or water-vascu- 

 lar system of the sponges, etc, 



A b \i ii m da (Gr. arachne, a spi- 

 der). The class of Arthrop 



