149 Ova 



Ova solitaria. — Eggs which are placed singly upon 

 the food plant ; for ex, the eggs of Sfhinx 

 convolvuli L. (L. ova, and solitarius, solitary.) 



Ova spiraliter deposita. — Eggs which are placed in 

 a spiral line around the young shoots of the 

 food plant ; for ex. the eggs of Clissiocampa 

 neustria L. (L. ova, spiral, and depositus, 

 from depano, to lay.) 



Oval, Ovate, Ovoid. — Of the shape of an egg, 

 elliptical. (L. ovum, an egg.) 



Ovaliform. — Having the longitudinal section oval, 

 and the transverse circular ; in the form of an 

 oval. (L. ovum, and form ; ovi-form, egg- 

 shaped.) 



Ovarian tubules. — The ovarioles. (L. ova, and 

 tuhula, tubes.) 



Ovaries. — Part of the female genitalia. They are 

 a pair, consisting of a varying number of tubules 

 (ovarioles) which usually extend like fingers 

 from the anterior end of the oviduct. Each 

 ovariole is surrounded by a thin membrane and 

 is immature anteriorly, consisting of small 

 homogeneous cells ; further back there are larger 

 cells, young ova, lying in the middle of the tube, 

 and surrounded by smaller cells, which provide 

 them with nutriment, and also secrete the shell 

 [chorion), for the fully developed egg. (Der, 

 ovar-y ; Late L. ouaria, that part of the body 

 in which the eggs are formed.) 



Ovarioles. — Tubes or tubules which carry the 

 ovaries. [See Ovaries.] 



