l6 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. Ill 



plate, or a distal mental plate and a proximal submental 

 plate" (Snodgrass, 193S, P- IS6; adopted by Anderson, 1936, 

 pp. 3 and 20). 



pnl; Paranasal lobe (= "frontal angles" auct., "mandibular sclerite" 



of Henriksen, 1911, p. 227; "lateral wings of nasale," Lan- 

 chester, 1939, pp. lo-ii, fig. i A, nlw) : anterior projections 

 of frontoclypeal area, on each side of nasale (Hyslop and 

 Boving, 193s, p. 52). 



pnlp: Cluster of pores on paranasal lobes (= "nasal sensory organs," 



Lanchester, 1939, p. 12). 



por: Postoccipital ridge (Snodgrass, 1935, p. 128). 



pos: Postoccipital suture (="gular sutures") (Snodgrass, 1935, 



p. 128). 



prmt I: First prementum (= "prementum" auct., "prelabium," Lan- 



chester, 1939, fig. I B, Ipe) : anterior (visible) part of pre- 

 mentum in the Elateridae (Anderson, 1936, p. 20). 



prmt II: Second prementum: posterior (invaginated) part of prementum 



in the Elateridae (Anderson, 1936, p. 20). 



pro: Protuberance. 



prst: Presternal area (= "acrosternite," Horst, 1922, p. 34; "brust- 



schild," Korschelt, 1924, p. 533) : the anterior area of the 

 sternum in elaterid larvae, transverse in mesothorax and 

 metathorax, triangular in prothorax; "presternum" frequently 

 used with reference to presternal area of prothorax. 



pstn: Poststernellum : the most posterior part of sternum, lying behind 



sternellum (after Hyslop and Boving, 1935, fig. 9 A, post). 



pt: Posterior tentorial arm. 



ptp: Posterior tentorial pit (= "ventral tentorial pit" of Boving): 



"The external depressions in the cranial vv^all at the roots of 

 the tentorial arms ; . . . located .... in the lower ends of the 

 postoccipital suture" (Snodgrass, 1935, pp. 128-129). 



pxstp: Proxistipes: "A posterior portion of maxillary stipes" (Boving 



and Craighead, 1931, p. 84). 



ret: Retinaculum (= "proximal lobe of mandible," Lanchester, 



1939. fig- 4 C, mpl) : "A hard, pointed, and tooth shaped 

 process usually near or at the middle of the inner edge of the 

 mandible; never jointed" (Schiodte's term, adopted by Boving 

 and Craighead, 1931, p. 84). 



sap: "Sensory" appendix of antenna ( = "tactile papilla," "sensory 



process," "accessory process," or "supplementary joint"). 



scl: Sclerite. 



sen: Sensillum: "A simple sense organ or one of the structural 



units of a compound sense organ" (Snodgrass, 1935, p. 549). 



sn: Subnasale (= "subnasal process," Roberts, 1921, p. 205) : the 



sclerotization on ventral aspect of base of nasale. 



snf: Subnasal flap : wing-shaped membranous lining of the ventral 



surface of paranasal lobes and base of subnasale. 



soc: Socket. 



sp: Spiracle. 



spla: "Sensory" plate in preoral cavity. 



