GLOSSAUY. G81 



Vasiform. (Lat. vas, a vessel.) Shaped like a bloodvessel or tube. 



Ventral. Ilelating to the inferior surface of the body. 



Ventricular. (Lat. ventricuhis, a ventricle or small cavity, like those of the 



heart or brain.) IJclonging to a ventricle. .. 



Vermes. (Lat. vcnnis, a worm.) Worm-like animals : applied in a very extensive 



sense by Linnaeus. 

 Vertebrata. (Lat. vertebra, a hone of the back ; from vertcre, to turn.) The 



highest division of the Aninuil Kingdom, characterised by having a back-bone. 

 Verticillate. (Lat. verticillus, a whirl.) Arranged like the rays of a wheel or 



spindle. 

 Vermiform. "Worm-shaped. 



Vesicul^. (Lat. vesica, a bladder.) Eeccptacles like little bladders. 

 Villi. Small processes like the pile of velvet. 

 Vitelline. (Lat. vitellus, yolk.) Of or belonging to the yolk. 

 ViviPAJious. (Lat. vivus, alive; pario, I bring forth.) The animals which bring 



forth their young alive. 



Whorl. The spiral turn of a shell, and the like arrangement of a group of leaves 



or polypes upon a stem. 

 Whorling. The act of disposing parts in a series of spiral cm-ves round an axis. 



XiPHOSURA. (Gr. xiphos, a sword; oura, a tail.) A family of Crustacea with 

 sword-shaped tails, as the Limulus. 



ZooniTTE. (Gr. zoon, animal; phyton, plant.) The lowest primary division of 

 the Animal Kingdom, which includes many animals that are fixed to the ground 

 and have the form of plants. 



Zoospore. (Gr. zoon, animal; spora, seed.) The reproductive bodies of sexless 

 water-plants, wluch enjoy the power of locomotion for a certain time. 



