NO. 13 



STAPH YLINIDAE BLACKWELDER 



59 



dromicus, Pelecomalium (fig. 16 A), Tanyrhhms, Lathrimacum, Pro- 

 teinus (fig. 15 A), Trigonurus, Osoriiis, Tachyporns, Bolitobius (fig. 

 15 H), Xenodusa (fig. 15 D), and Lorinota. In others from two 



Fig. 15. — Intrafamily variations of the mandibles (continued on fig. 16). 



A, Proteinus linibatiis Makl. B, Phloeocharis siibtilissiina Mann. C, Micro- 

 pephis piinctatus Lee. D, Xenodusa sharpi Wasm. E, Lcptochirns mexicamis Er. 

 F, Aplodcrits linearis Lee. G, Oligota csmeraldae Csy. H, Bolitobius cinctns 

 (Grav.). L Pseudopsis obliterata Lee. J, Liparoccphahts brcvipennis Miikl. 

 K, Glenus flohri Shp. L, Astcnns discopiinctatns (.Say). 



to many teeth may be produced, placed either near the tip or at any 

 point along the inner face. One species, Oxyporus (fig. 16 H), 

 has a very small isolated tooth near the outer margin of the mandible 



