54 



£0. P. gemellus. Elongate, black, with a piceons tinge, base of 

 antennae., palpi, epipleurse and legs rufo-piceous. Pfothoras .'. 

 longer than wide, oval, emarginate in front, widely rounded on 

 the sides, which are very finely margined ; broadly rounded at 

 base, front angles rounded, somewhat prominent, hind angles 

 obsolete ; disc less convex than in P. picipennis, transverse im- 

 pressions feeble, dorsal line fine, basal impressions long and curv- 

 ed,but very faintly marked. Elytra elongate-oval, humeri strongly 

 rounded, base deeply emarginate, apex rounded, not sinuate : 

 stride fine, well impressed, interspaces flat, dorsal punctures 4, the 

 1st and 2nd on 3rd stria, the others on the 2nd stria. Length 7 

 mm. 



Vancouver Island, two specimens. Allied to P. picipennis, but 

 sufficiently distinct by the characters given above. 



BIBLIOGRAPHY. 



1. larvalis, Lee. Ann. Lye. IV. 219.— Syn. 39. 



2. caudatus, Lee. New. Spec. I. 7. 



3. dissectus, Lee. New. Spec. I. 8. 



4. jejunus, Lee. Bull. Geol. and Geogr. Survey 



Tierr. 1878. IV. 449. 



5. hypolithos, Say. Trans. Am. Phil. II. 59. 



Lee. Syn. ^l.^erythropus, Dej. Spec. III. 97. 



6. angustatus, Dej. Spec. III. 9Si 



7. agilis, Lee. List, Col. N. Am. I. 1863. p. 6. 



-^fragilis — Lee. Syn. 41. 



8. maurus, Mots. Bull. Mosc. 1845. IV. 339. 



stygicus, Lee. Syn. 42.* =8 foveolatus, 

 Maeklin, Stett, Zeitg. 1857. p. 338 (var. 

 with four dorsal punct.)= angusticollist Kirby, 

 Faun. Bor. Am. IV. 23. 



9. ovipennis, .Mann. Bull. Mosc. 1843. II. 196 ; 



Mots, ibidem, 1845. IV. 339. t. IV. f. 4.= 

 rotundipennis, Mots, ibidem, p. 340. 



10. decens, Say. Trans. Am. Phil. II. 53.— Lee. 



Syn. 44. gagates, Dej. Spec. III. 107.= cora- 

 cinus, Lee. Ann. Lye. IV. 220. *=decentis, Say. 

 Trans. Am. Phil. II. 53. 



11. sinuatus, Dej. Spec. III. 108.— Lee. Syn. 44. 



^-depressns, Hald. Proc. Ac. Phil. I. 299. 



12. opaculus, Lee. New. Spec. I. 8. 



13. tenuicollis, Lee. Ann. Lye. IV. 222. 



10-13 Cal. Or. 



12-15 



11 



9.5 

 10 



Can. N.Y. S.C. 

 Pa, N. Y. 



H. B. T. Or. 



M. & W. St. 

 L. Sup. 



* This synonym is established upon a typical specimen from Kadjak; sent to me by Colonel 

 Motsclivlsky. 



