892 General Notes. i [October, 
old opinion that the antennz, or at least their terminations, were 
organs of smell. Up to that date there was an uncertainty as to 
the seat of the organs both of smell and hearing. Fabricius (57), 
indeed, had already, in 1783, thought he had found an organ of 
Miller, however, was doubtful, from the fact that the nerve pass- 
ing to this organ arose, not from the brain, but from the third 
thoracic ganglion; but, notwithstanding, he remarks: “ Perhaps 
we have not found the organ of hearing in insects because we 
sought for it in the head.” This discovery was afterwards con- 
siderably broadened and extended by Siebold’s work," for the 
views of these naturalists on the seat of both organs had a definite : 
influence, especially in Germany. At present, indeed, Miller's i 
hypothesis stood in complete contradiction, so that during the 
_ following decennial was presented anew the picture of opposing 
` observations and opinions as to the nature of the organs of n 
While Robineau-Desvoidy, at the end of the twentieth year, @ 
also later, in different writings (27, 34), strove energetically m 
~ the olfactory nature of the antennæ, Strauss-Dürkheim held fa 
-to the view that the tracheæ possessed the function under dis- 
able 
1, 52-87, 1844 ee 
kheim + Considérations générales sur ‘Anatomie Comps T aa 
