NO. 7 MUSCULATURE OF COLEOPTERA — DORSEY 4I 



91. Same, sagittal section of head slightly to the left of median plane. 



92. Same, ventral view of head with part of integument removed to expose 



muscles. 



93. Mordella quadri pun data (Say), Mordellidae (adult), sagittal section of 



head slightly to the left of median plane. 



94. Same, dorsal view of head with part of the integument removed to expose 



muscles. 



Plate 17 



95. Mordella quadritninctata (Say), Mordellidae (adult), ventral view of 



head with part of integument removed to expose muscles. 



96. Same (larva), dorsal view of head with part of integument removed to 



expose muscles. 



97. Same, sagittal section of head slightly to the left of median plane. 



98. Same, ventral view of head with part of integument removed to expose 



muscles. 

 99 Cyllene robiniae (Forst.), Cerambycidae (adult), sagittal section of head 

 slightly to the left of median plane. 



Plate 18 



100. Cyllene robiniae (Forst.), Cerambycidae (adult), dorsal view of head 

 with part of integument removed to expose muscles. 



loi. Same, ventral view of head with part of integument removed to expose 

 muscles. 



102. Same (larva), dorsal view of head with part of integument removed to 



expose muscles. 



103. Same, ventral view of head with part of integument removed to expose 



muscles. 



104. Same, sagittal section of head slightly to the left of median plane. 



Plate 19 



105. Apatides jortis (Lee), Bostrichidae (adult), dorsal view of head with 



part of integument removed to expose muscles. 



106. Same, sagittal section of head slightly to the left of median plane. 



107. Same, ventral view of head with part of integument removed to expose 



muscles. 



108. Same (larva), sagittal section of head slightly to the left of median plane. 



109. Same, dorsal view of head with part of integument removed to expose 



muscles. 



Plate 20 



no. Apatides jortis (Lee), Bostrichidae (larva), ventral view of portion of 

 head with part of integument removed to expose muscles. 



111. Leptinoiarsa decimlineata (Say), Chrysomelidae (adult), dorsal view of 



head with part of integument removed to expose muscles. 



112. Same, sagittal section of head slightly to the left of median plane. 



113. Same, ventral view of portion of head with part of integument removed 



to expose muscles. 



114. Same (larva), sagittal section of head slightly to the left of median plane. 



