ANATOMY OF A BEETLE. 



LUCANUS CERVUS. DISSECTION. 



Parts of the Hewl .—I. Mandibles, or jaws. 2. Antennfe. 2n. Scape. lb. Club. 3. 

 Labium, or lower lip. Za. Labial palpi, or lip-feelers. i. Maxillje, or lower jaws. 4a. 

 Maxillary palpi, or jaw-feelers. 5. Heart, upper surface. 5a. Eves. 56. Vertex, or crown. 

 5c. Occiput, or back of head. 5rf. Clypeus, or shield. 6. Head, under surface. 6a. Eyes. 

 66. Insertion of antenricB. 



Parts nf Thora.T and Abdomen . — 7. Pronotum, or upper surface of thorax, la. Lateral margin. 

 76. Anterior margin. "c. Posterior angles. Id. Posterior margin. le. Anterior angles. 

 8. Proitemum, or under surface of thorax. ia. Sternum. 86. Insertion of coxse. 9. Me.-o- 

 thorax and upper surf.ace of abdomen. 9a. Mesothorax alone. 96. Abdomen, upper gurfa^e 

 alone. in. Metastemnm and abdomen. 10a. Metasternum alone. 106. Abdomen, under 



lOf. Parapleura, or side pieces. lOrf. Episterna, or breast-pieces. 12. 



lla. Tarsi, or feet. 116. Tibia, or shank. lis. 

 lie. Coxa. 13. Intel-mediate pair of legs. 15. 



surface alone. 

 Scutellum. 



Legs.— \\. Anterior, or first pair of legs. 

 Femur, or thigh. llrf. Trochanter. 

 Posterior pair of leg"!. 



The Wings.— \i. Elytra. 14a. Suture. 

 14*. Disc. 16. "Wings fold«d on abdomen. 



146. Lateral margin. 14^ Apex. 14</. Base. 

 17. Left wing expanded. 18. Right wing folded^ 



