ANATOMY AND PHYSIOLOGY. 337 



it belonged to the Lepidoptera, which is the same 

 thing in Greek ; and its u head" she would inform 

 us was the " caput" which is the Latin for that 

 word ! This done, her strict duties would be ex- 

 actly fulfilled, and she would summon her sister- 

 science^ Physiology, to give us further informa- 

 tion about the butterfly. Physiology, who, we 

 may remark, is a far less stern-looking personage 

 than her austere relative, and appears with a 

 countenance which expresses that she has much 

 to tell us which will greatly interest us, would 

 next take up the panting insect. She would tell 

 us to consider attentively the head of the little 

 creature, while we listened to her elegant account 

 of the purposes it was intended to subserve. She 

 would dilate with eloquence upon the exquisite 

 machinery which was compacted into so small 

 a compass as its mouth; and she would render 

 us almost breathless with amazement, as with 

 rising animation she revealed to us the astonishing 

 optical wonders of an insect's eye, telling us, per- 

 haps, that an insect may probably see like the 

 fabled Argus, behind, and before, and on every 

 side, at the same time! Then she would tell 

 us, in order, the nature and uses of each part, 

 z 



