FIRST DIVISION. 



GENERAL ENTOMOLOGY. 



FIRST SECTION. 



ORISMOLOGY. 



ITS DEFINITION AND COMPASS. 



5. 



IN a science, which, like Natural History, has to distinguish such 

 multifarious, and, frequently, such closely approximate forms, it is of 

 great importance that the differences perceptible to the eye should 

 be explained by a suitable selection of precise terms, and in a clear, 

 concise, and readily comprehensible language. Since the recognition 

 of this principle, a kind of conventional agreement has been aimed 

 at, whereby the Latin language still retains, at least in the descrip- 

 tive natural history of the animal and vegetable kingdoms, that 

 degree of importance which it acquired by its introduction as the 

 universal language of the learned. The technical language of natural 

 history thus therefore originated ; for, in the course of progressive 

 investigation, new terms were required to characterise the newly dis- 

 covered parts. 



6. 



Following the example of early writers, whenever the Latin lan- 

 guage is deficient in the characteristic expression, we apply to the 

 Greek, and endeavour to derive from it an appropriate name, or form 



