xvi pheface. 



taken in England, will of course be under the great- 

 est obligations. His unrivalled library, stored with 

 almost every publication that a naturalist can wish 

 to consult, and his cabinet rich in exotic and indi- 

 genous treasures, and open to the most unreserved 

 inspection, afford writers of this class, who reside 

 in this country, a most decided advantage over 

 those of every other. 



To Dr. Smith, the President of the Linnean So- 

 ciety, he is indebted not only for the invaluable op- 

 portunity of consulting at his ease the Linnean ca- 

 binet and library, by which he has been enabled to 

 determine so many dubious species, and to extricate 

 the genus of which he treats from much of the 

 confusion in which it was involved, but also for his 

 personal kindness and constant encouragement. 



He scarcely knows what terms to employ that 

 will sufficiently express his obligations to Mr. Mar- 

 sham ; whose friendship, from the first to the last, 

 has exerted itself with unwearied assiduity, to give, 

 or procure him, every information in his power ; 

 securing him an access to all the cabinets of the 

 metropolis ; introducing him, a stranger, and un- 

 known, to the most eminent entomologists; impo- 

 verishing his own collection to enrich that of the 

 author : in a word, taking every occsion to serve 

 him, and his friends, to the utmost of his power. 



To Drs. Goodenough and Latham, Major Gen. 

 Davies, and Messrs. Drury, Sovverby, Donovan, 

 McLeay, Jones, Haworth, Hill, Coyte, Francillon, 



he 



