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INSECTA 



3. Mouth-parts of a Bee removed from head and mounted: (i) the labium with the ligula, bearing 

 on each side a shorter process the paraglossa and a long five-jointed labial palp; (2) the ist maxilla 

 with stipes, lacinia folded back on the stipes and a short palp at end of stipes; (3) the mandible 

 strong and platelike. 



4. Mouth-parts of a Butterfly. (These can be best seen if the two eyes are removed from the 

 head and the rest boiled in potash and mounted.) Spirally coiled proboscis formed by the union of 

 the two ist maxillae; rudimentary maxillary palps; three-jointed palps of the rudimentary labium. 



