1782. NORFOLK; 305 



compofed of three f hanger- like 122. 

 Inftrumcnts, with a fpiral wrinkle winding TENTHRTDO 

 from the point to the bafe; making tenor THE?URNEP 

 twelve revolutions : length about one-twen- 

 tieth of an inch. Inclofed in zjheatb ; opening 

 longitudinally ; and reaching from the pubes 

 to near the point of the tail, where it ends in 

 a black fpeck; Thislheath ftands edgeway to, 

 and projects fomewhat below, the body ; but is 

 fuuated principally in a recefs in the abdomen. 



MALE FLY. The fame as the female; ex- 

 cept that its antenna meaiure only one-tenth 

 of an inch in length., its legs twenty- 

 five hundredth, its body two hundred and 

 feventy-five thoufandth, and except that be- 

 neath the two imperfect fegmcnts lies a plain 

 fcale, covering the 



Pent* which is inclofed in a eloven-hoof- 

 like eapfukj which forms the point of the 

 tail. In the aft of copulation the two claws 

 of the hoof expand, and, in fome meafure^ 

 embrace the female. The penis is cylindrical, 

 ihort, and of a tranfparent, cartilaginous fub- 

 ftance. 



* Improperly fo termed ; its ufe not being that of a 

 weapon, but an inftrument wherewith the female forms 

 her nidufes. 



^ But fee forward. 



VOL, II. X In 



