' VOCABULARY. 305 



E. 



JE lytra, the external, hard, scaly wings of many insects, such as the 



beetles. 

 Entomology, the science relating to insects. 

 Epiglottis, a valve which covers the passage from the mouth into 



the windpipe. 

 Eruca labra, the name of an insect. 



Eustachian, applied to parts first discovered by Eustachius. 

 Exility, slenderness, smallness. 



Exuviae, the cast off skins, shells, or other coverings of animals. 

 Exsiccation, drj^ing, parting with moisture to air or heat. 

 Evagation, wandering, deviation from an appointed course. 



F. 



Farina. This word is sometimes used instead of pollen for the fertil- 

 izing dust produced from the stamens and anthers of flowers, and 

 collected by bees. It is so used by our author. 



Fibula, a small long bone, extending from the knee to the ankle joint, 

 parallel to and connected with the tibia or principal bone of the leg 

 on its outside. The lower end of it forms the outer ankle. 



Foramen ovale, or oval hole, an opening in the foetal state, between 

 the two ventricles of the heart, permitting the passage of blood from 

 one to the other. It is closed after birth. 



Fusee, see Plate of the parts of the watch. 



Gallinaceous. Birds of a particular order, living generally upon grains 

 or seeds of plants, of a stately aspect, and confined powers of flight. 

 Such are the common domestic fowl, the turkey, the peacock, &c. 



Gestation, the act of carrying the young within the body of the pa- 

 rent, whether in the state of the egg or of the living foetus. 



Graminivorous, living or feeding upon grass. 



Granivoi-ous, living or feeding upon grains and seeds. 



Gregarious, herding together — flocking together — assembling in herds 

 and companies. 



H. 



Halitus, the watery vapour which is thrown out from the lungs with 

 the air at every act of respiration. 



Hemiplegia, a paralysis or palsy of one half of the body, consisting in 

 a loss of the sense of feeling, or of the power of voluntary motion ; 

 or of both. 



Herbivorous, living upon hei-bs, or rather upon vegetable substances 

 in general. A term used in contra-distinction to carnivorous. 



Homologous, having the same relation or proportions. IJnes drawn 

 through any two similar bodies of different sizes, are said to be ho- 

 mologous when they are drawn through corresponding parts of each. 



Hybernacula, the habitations, coverings, or retreats in which animals 

 pass the winter. Animals when residing in them are generally in 

 a torpid state. 



Hydrocanthari, a name of insects. 



I. 



Ignited, a chemical term applied to a body raised to a high degree ot 



heat. 

 Inertia, a property of all matter which disposes it to remain in the 



state in which it is, whether of motion or rest. 

 7m, plural Irides ; the coloured ring surrounding the pupil of the eye. 



Co 



