26o Rev. Mr. Kirby'j Obfcrvattons upon InfcSis thai prey upon Timber. 



Fig. II. Larva — the inlcraiediate lobe of the under lip. (a a) Its- 

 feelers. 



12. the upper lip much magnified, (a) Its fummit 



round and fringed. 



1-3. A poition of the wood. with the bark taken off, to (how 

 the progrefs of the larva from its being firft hatched 

 till it begins to work in all dire6lions. (a-c) The fer- 

 pentine path of the infedV, (a) The point where the 

 egg was hatched, {h) The excrement of the infeft pre- 

 venting all accefs to it. 



14. A portion of wood of irregular furface, upon which the 

 larvae have been long at work, (a a a) Semicylindrical 

 holes where it has bored down into the folid wood. — An 

 fpecimen of this fent to the Society. 



X5. Anus of a female, to fhew the inftrument by which flie is 

 enabled to introduce her eggs between the bark and the 

 wood, (a) The anal fegment of the abdomen, (b) A 

 flat vagina, into which I fuppofe the aculeus is with- 

 drawn when unemployed, and which itfelf is retraftile 

 within the anal fegment. (c) The aculeus flat a)id. 

 bifid at its apex. 



XXVII. £)/. 



