THE SEAT OF THE SENSE OF SMELL. 37 



palpi, although the experiments of Perris, Plateau, 

 Forel, and others, have conclusively proved that it 

 is not situated exclusively in them. 



The credit has been ascribed to Keaumur of having 

 been the first to suggest that the sense of smell is 

 seated in the antennae. This view has been adopted 

 by Lesser, Koesel, Lyonnet, Bonnet, Sulzer, Latreille, 

 Burmeister, Lefevre, Erichson, Duges, Perris, Dufour, 

 Slater, Yogt, Forel, Lowne, Ilauser, Kraepelin, Schie- 

 menz, and other observers, and my own observations 

 lead me to the same conclusion. 



Many entomologists, indeed, including Scarpa, Schnei- 

 der, Bolkhausen, Bonsdorff, Cams, Strauss-Durckheim, 

 Oken, Kirby and Spence, Newport, Landois, Hicks, 

 Wolff, and Graber, have considered that the antennse 

 serve as ears. These two views are, however, not 

 irreconcileable, and the truth seems to be that, while 

 organs of smell and of hearing, when present, may be 

 both situated in the antennaB, they are not in all cases 

 confined to them. 



Comparetti * seems to have been the first to suggest 

 that the organ of smell might not be seated in the 

 same part of the body in all insects ; he suggested the 

 antennae in certain beetles (Lamellicornia), the pro- 

 boscis in butterflies and moths (Lepidoptera), and 

 certain frontal cellules (the existence of which has, 

 however, not been confirmed) in locusts, etc. (Orthop- 

 tera), as the probable seats. 



The real manner in which odors are perceived, and 

 the structure of the olfactory organs, is still so little 

 understood, that experiments are perhaps more con- 

 clusive than anatomy. 



* " De aure interna comparata-Patavii." 1789. 



