100 CLASSIFICATION. 



avail ourselves of his valuable researches, as our 

 task would thus have been greatly facilitated, and 

 our treatise rendered more valuable and com- 

 plete. Along with this regret, however, we are 

 unwilling to forego the hope that our protracted 

 and independent, though feeble efforts, have thereby 

 been rendered additionally productive, and that we 

 have thus been enabled to contribute more to en- 

 hance the interest, and elucidate the difficulties, of 

 the subject. 



