CHAPTER XIX. 



Tab. XXXII. — the wings of the beetle, awl, sting or 



THE BEE, PROBOSCIS, &C. 



Fig, 1. Is an instance of the horny and gauze wings in one 

 of the most beautiful of the beetle class of this country, the 

 cetonia aurata, or rose chafer; showing the expanded elytra^ 

 a, a : the true wings, 6, h. 



Fig. 2. A specimen of the elytra covering half the body in 

 the ear-itdgy (forficula auricularia :) one of the elytra is extend- 

 ed, and the membranous Aving unfolded ; showing the nume- 

 rous diverging nei-vures, or "muscular tendons," which run in 

 horny tubes, to keep the wing extended. 



Fig. 3. The aiol of the (Bstrum bovis, or gad-fly , highly mag- 

 nified. It is formed of corneous substance, consisting of four 

 joints, which slip into each other: the last of these terminate 

 in five points, three of which are longer than the others, and 

 are hooked : v/hen united, they form an instrument like an 

 auger or gimblet, with which the skin is pierced in a few sec- 

 onds. 



Fig. 4. One of the hooks. 



Fig. 5. The sting of a bee, drawn from nature as it appears 

 by means of a magnifier of very high powers : a, a, a, a, the 

 apparatus for projecting the sting ; b, the exterior, c, the inte- 

 rior sheath of, d, the true sting, which is divided into two 

 parts barbed at the sides ; e,the bag which contains the poison. 



Fig. 6. The proboscis of a bee extended ; a, a, the case or 

 sheath ; b, the tube ; c, the exterior ; d, the interior fringes ; c, 

 the tongue ; /,/, the exterior, g, g, the interior palpi. 



Fig. 7. The appearance of the proboscis when contracted, 

 and folded up. 



Fig. 8. The head of a butterfly, showing the coiled proboscis. 



