1881. ] Entomology. git 
Dr. M. also gave a sketch of the condition of entomology as it 
Was 40 years ago, when there were not known to be more than. 
enumerated. At present, there are 436 names reported in last 
year's Naturalists’ Directory of persons who are designated as 
entomologists. There is no other distinct branch of zoology that 
has so many representatives in that book except geology and 
tany. The lists of all contributions to entomology for the last 
numbered 330, and of writers 80. : 
: Mr. Edwards's paper “On the length of life of butterflies,” showed, 
rom his own experience of fifteen years, that the life in the 
ee cm eS as 
: Citing Danats archippus as an illustration, he criticised the state- 
| t work on butterflies, 
