100 INSECTA 



(c) Size? 



(d) Motion? 



(e) Use? 



(10) The Mandibles. 



(a) Shape? 



(b) Size? 



(c) Color? 



(d) Number? 



(e) Use? 



(11) The Maxillae. 



(a) Shape? 



(b) Size? 



(c) Color? 



(d) Number? 



(e) Use? 



(12) The Maxillary Palpi. 



(a) Number on each side? 



(b) Number of segments to each palpus? 



(c) Motion? 



(d) Use? 



(13) The Labium, or Lower Lip. 



(a) Shape? 



(b) Color? 



(c) Size? 



(d) Motion? 



(e) Use? 



(14) The Labial Palpi. 



(a) Number on each side? 



(b) Number of segments to each palpus? 



(c) Motion? 



(d) Use? 



(15) Sketch front or side view of the head, much enlarged. 



Show all the parts you can. 



(16) Mouth-parts. Remove the mouth-parts from one side 



and sketch. 



(a) Mouth-parts adapted for (1) sucking or (2) biting? 



(b) Mouth-parts united into tube or free? 



(c) Why so many or so few parts, as the case may 



be? 



