308 GLOSSARY. 



Vek'mes (Lfit. vermis^ a worm). Sometimes employed at the present day in 

 the same, or very nearly the same, sense as Annuloida^ or as Annuloida 

 plus the AnaHhropoda. 



Ver'mi-fokm (Lat. vermis^ worm ; q.\].(\ forma, form). Worm-like. 



Ver'te-bra {Lat. varto^ 1 turn). One of the bony segments of the vertebra] 

 column or back -bone. 



Ver-te-hra'ta. (Lat. vertehrn a bone of the back, from luirtere^ to turn'). 

 The division of the Animal Kingdom roughly characterized by the posses- 

 sion of a back-bone, 



Ves'i-cle (Lat. vesica, a bladder), A little sac or cyst. 



Vi-BEAc'u-LA (Lat. vioro, I shake). Long lilamentous appendages foimd iu 

 many Folyzoa. 



ViB-Ei-o'jTES (Lat. vibro^ I shake). The little moving filaments developed in 

 organic infusions. 



Vip-e-ri'na (Lat. vijxra^ a viper). A group of the Snakes. 



Vis'ce-ra. 



Vi-vip'a-rou3 (Lat. r/iius, alive ; and pario^ I bring forth). Bringing forth 

 youDg alive. 



Whorl. The spiral turn of a univalve shell. 



Xiph-i-ster'nitm (Gr. xiphos, sword; sUrnon, breast-bone). The inferior oi 

 posterior segment of the sternum, correspoDding with the " xiphoid carti- 

 lage " of human anatomy. 



Xiph-o-su'ea (Gr. xiphos^ a sword ; and ovra, tail). An order of Cimstacpo., 

 comprising the LhuuU or King-Crabs, characterized by their long sword- 

 like tails. 



Xv-lopr'a-gous (Gr. xulon^ wood ; ViXid phago^ 1 eat). Eating wood ; applied 

 to certain Mollusca. 



Zo'oiD (Gr. zo~>v^ animal ; and eidos^ form). The more or less completely in- 

 dependent organisms, produced by gemmation or fission, whether these re- 

 main attached to one another or are detached and set free. 



Zo'o-PHYTE (Gr. zo'.n-^ animal; pkuton, plant). Loosely applied to many 

 plant-like animals, such as Sponges, Corals, Sea-anemones_, bea-mats, etc. 



2o'o-spOT?ES (Gr. zo<"n, animal; and spora, seed). The ciliated locomotive 

 germs of some of the lowest forms of plants {Frotoj^hyta). 



