476 BOARD OF AGRICULTURE. 



Prosternum. The imder surface of tlie prothorax. 



Prothorax. The anterior division of the thorax, to which the head is 

 joined. 



Pulvilli (singular Pulvillus). The little pads between the claws. 



Punctate or Punctured. Containing numerous small, point-like depres- 

 sions or pvmctures. 



Reticulated. Furnished with veining or markings like net-work. 



Scabrous. Covered with small, slight elevations. 



Spurs. The strong spines at the apex of the tibias. 



Sulcus. A linear groove or channel. 



Suture. A seam or impressed line; generally used in reference to 

 the junction of two pieces or plates. 



Tarsus (plural Tarsi). The jointed foot. 



Tibia (plural Tibiae). The part of the leg between the thigh and the 

 foot. 



Tricarinate. Having three keels or carinas,. 



Tuberculale. Covered with tubercles. 



Unarmed. Without a spine ; unspined. 



Vertex. The front portion of the upper surface of the head, between 

 and in front of the eyes. 



