352 GLOSSARY. 



VEB'MES (Lat. 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 Anarthropoda. 



VER'MI-FORM (Lat. vermis, worm ; snid/orma. form). Worm-like. 



VER'TE-BRA (Lat. verto, I turn). One of the bony segments of the vertebral 

 column or back-bone. 



VER-TE-BRA'TA. (Lat. vertebra, a bone of the back, from vertere, 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-BRAC'U-LA (Lat. Vidro, I shake). Long filamentous appendages found in 

 many Polyzoa. 



VIB-RI-O'NES (Lat. vibro, I shake). The little moving filaments developed in 

 organic infusions. 



VIP-E-RI'NA (Lat. vipera, a viper). A group of the Snakes. 



Vis'cE-RA. 



VI-VIP'A-ROTJS (Lat. vivus, alive ; and pario, I bring forth). Bringing forth 

 young alive. 



WHORL. The spiral turn of a univalve shell. 



XIPH-I-STER'HTJM (Gr. xiphos, sword ; sternon, breast-bone). The inferior or 

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

 lage " of human anatomy. 



XIPH-O-SU'RA (Gr. xiphos, a sword ; and oura, tail). An order of Crustacea, 

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

 like tails. 



XY-LOPH'A-GOUS (Gr. xulon, wood ; and^Aa^o, I eat). Eating wood ; applied 

 to certain Mollusca. 



ZO'OID (Gr. zoon, 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. zoon, animal ; phuton* plant). Loosely applied to many 

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



ZO'O-SPOKES (Gr. zoon, animal : and spora, seed). The ciliated locomotive 

 germs of some of the lowest forms of plants (Protophyta). 



