Vit 244 



Vitreous —body or cell. — The jelly-like mass con- 

 tained in the visual organ. (L. vitrum, glass.) 



Vitta. — A longitudinal coloured stripe. (L. a band.) 



Vitta frontalis. — [See Frontal stripe.] 



Vittate. — Possessing vittse. 



Viviparous. — Producing young in a living state ; 

 opposed to oviparous. (L. vivus, living, and 

 •pario, to bring forth.) 



Volsellse. — The median pair of the genital append- 

 ages of Ants. (L. volsella. tweezers.) 



Vulva. — The orifice of the oviduct. (Packard.) 

 (L. the belly, the womb.) 



Web. — The plexus of delicate threads spun and 

 woven by the Araneida. Through the minute 

 apertures of the sj)innerets the liquid substance 

 that hardens and forms the silk-like threads 

 of the web is passed, and these minute threads 

 unite to form one line of extreme fineness. This 

 line is covered with drops of a clear liquid, 

 so it is seen two substances constitute the web 

 — the solid thread, and the globules of clear 

 liquid. (A.S. wehh.) 



Wedge-shaped. — Having the shape of a wedge, 

 cuneiform. (A.S. wecg.) 



Whirls. — (Antennae). Small hairs placed round 

 the joints, like the spokes of a wheel. (M.E. 

 whirflen, to turn. — Icel. hvirfla, frequent ; to 

 turn round.) 



Whorls.— (M.E. whorl.) See Whirls. 



