1 N. ingens, Horn. Tr. Am. Ent. Soc. III. 1870. p. 98. Length 14-16 mm. Sier- 

 ra Nevada, CalA 



2. ovipennis, Lee. Bull. U. S. Geolog. Survey. IV. n. 2. 1878. p. 477. Length 



11.5 mm. Sierra Nev. Oal. 



3. diversa, Lec.% List. Col, N. A. 1863. p. 2. Length 10-11 mm. Or. livida. Lee. 



Proc Phil 1859, p. 8. 



4. virescens Chd. ined. (Horn, Tr. Am. Ent. Soc. III. p. 100). Length 12 mm. 



Vane. I., Wash. Terr. 



5. purpurata, LecA Bull. U. S. Geolog. Survey. IV. n. 2. 1878. p. 477. Length 



12.5 mm. Col. 



6. gregaria. Fischer. Ent. Buss. I. 72. pi. 6. fig. 2; Eseh .Mem. Mosc. 1823. 



IV. p. 101.1 Length 11.5 mm . Alaska. 



7. metallica, Fischer. Ent. Russ. I. 71. #Z. 6. ,/ty. 1 ; i&eA. J/m. il/osc. 1823. 



/r. p. 100. Length 12-14.5 mm. Alaska., Oal. 



S. Oebleri, Dej. Spec. V. 573. Esch. Zool. Atl, V. p. 23. pi. 25. fig. 3. Length 10 

 wwb', Alaska. 



9. wgis, if 0TO . TV. Am. Ent. Soc. III. 1870. p. 101. Le^fc 7-8 ?/w«. Alas- 

 ka, Wash. Terr. 



10. obhisa, Lee. Bull. U. S. Geolog. Survey. IV. n. 2. 1878. p. 478. Length 11 



mm. Wyoming. 



11. obliqua. Lee Proc. Ac. Phil, 1866. p. 363. Length 11 m7/t. CoL 



12. longula.Lec Bull. U. S. Geolog. Survey. IV. n. 2. 1878. p. 478. Length 9 



mm. Col. 



13. suturalis, Lee. Agass. L. Sup. p. 209. Length 10-11.5 mm. L. Sup., N. H. 



14. hudsonica, Lee. New spec. p. 3. Length 10-10.5 mm. Hudson Bay Terr. 



15. Sahlbergi, Fischer. Ent. Russ. III. p. 254. pi. 14, fig. 4. Esch. Zool. Atl. 



1833, p. 23 ; castanvpes, Kirby. N. Z. IV. p. 20. moesta (var.) Lee. Agass. 

 Lake Sup. p. 209. LewgtfA 10 tow. Or. Alaska, N. H. 



16. bifaria, Mann. Bull. Mosc. 1853. 7/7. p. 128. Length 10 mm. Alaska. 



17. trifaria, Lee. Bull, U. S. Geolog. Survey. IV. n. 2. 1878. p. 478. Le»^A 13 



mm. Utah. 



18. Rathvoni, Lee. Tr. Am. Phil, Soc. X. 400. Length 12 m?». CW. 



19. Mannerhehnii, Fischer. Ent. Russ. HI. 253. pi. 14. ./lg>. 5. Esch. Zool, Atl, 



1833. p. 23. ZercgtfA 11-12 mm. 

 20 Eschscholtzii, Men. Bull. Ac Petrop. II. 1844. p. 55 ; castanipes, Lee. List 



Col. N. A. p. 2. Length 10-11.5 mm. Or. Col. 

 21. pallipes, Say. Tr. Am. Phil. Soc. II. p. 78. Length 10-11.5 mm. North East 



of U.S. 



The two following are said to have been found on our shores : 



N. carbonaria, Esch. Zool. Atl. V. p. 24. Kamtschatka, Sitka. 



N. nivalis, Payk. Fauna. Suec. p. 119. Lapland, Greenland. 

 The two following are unknown and unrecognizable, but said to be black and re- 

 semble Sahlbergi. var. moesta and are about the size ofviridis. 



N. elim, Motsch. Bull. Mosc. 1865. IV. p. 276. 



N. mollis, Motsch. ib. p. 274. 



rv Fr £ m Dr " Leconte ' s table of Nebria (see Bull. U. S. Geological Survey Vol. 

 IV. J\o. 2. page 473 ff.) we give below a condensed sketch of the groups. 

 Kows of ambulatorial setae * double. 

 Humeri wanting. Group I. [contains of the above species No. 1. 2. 3.] 

 Humeri indistinct, rounded. 



Elytra elongate oval. Group II [5. 17. 18."and N. carbonaria]. 

 Elytra oval, prothoracic side-margin narrow. Group III. [19. 20]. 

 Humeri distinct, elytra truncate at base, prothoracic side-margin wide. 

 Group IV.[10. 11. 12. 13—14. 15. nivalis 9. 6.-7. 8. 17.1 

 Bows of ambulatorial setae* single. 

 Prothorax moderately narrowed behind. Group V.(4.) 

 Prothorax very much narrowed behind. Group VI. (21.) 



* Setigerous punctures of the ventral segments. 



