1854.] 47 



Abundant in the Middle, Southern and Western States ; the dark colored vari- 

 eties and all the intermediate forms are found on the shores of Onondaga Lake, 

 near Syracuse, New York. 1 think that Anch. thoracicus Dej. must belong to 

 this species, but as the fine punctures of the elytra are not mentioned in his des- 

 cription, it will be safer to consider it as distinct ; in some specimens of () they 

 might, however, readily be overlooked. 



a.. Capite viridi vel cyaneo, thorace rufo, elytris viridi-nigris, interstitiis parce 

 fere obsolete punctulatis. Long. *31 "34. 



Middle and Southern States ; also found near the Pima villages on the Gila. 

 This differs from the type in having the punctures of the interstices of the elytra 

 very faint ; they are, however, furnished with short hairs. The specimens from 

 the Gila differ in having the thorax a little less narrowed posteriorly, and 

 tinged with greenish. 



17. P. anchomenoides, nigro-piceus, capite virescente, thorace subquad- 

 rato latitudine vix breviore, margine tenui non reflexo, postice subangustato, an- 

 gulis posticis obtusis subrotundatis basi utrinque minus profunde impresso, disco 

 virescente, lateribus late parteque inflexa testaceis, elytris thorace duplo latioribus 

 oblongis, convexiusculis, testaceis, interstitio 3io punctis 4 maiusculis impressis, 

 antennarum articulis tribus, palpis, ano, pedibusque flavo testaceis. Long. -28. 



Lee. Agassiz' Lake Superior, 205. 



Agonum anchomenoides Randall, Bost. Journ. Nat. Hist. 2, 2. 



Pennsylvania, Lake Superior and Maine ; rare. The disc of the elytra is darker 

 than the margin ; in the specimen from Pennsylvania the striae are deep and the 

 intervals somewhat convex ; the one from Lake Superior has very fine striae and 

 the intervals are entirely flat. Is not Agomim sordens Kirby, (Fauna Bor. Am. 

 25,) a closely allied species or, perhaps, a variety having smaller punctures. 



18. P. c al i fo r n i c u s, niger, piceo-aenescens, thorace subquadrato, lati- 

 tudine vix breviore, postice subangustato, margine tenuiter reflexo, angulis pos- 

 ticis obtusis minime rotundatis, impressionibus basalibus elongatis, postice pro- 

 fundis, elytris thorace duplo latioribus, oblongis, basi truncatis, tenuiter striatis, 

 5-punctatis, antennarum articulo lmo, thoracis parte inflexa, epipleuris pedibus- 

 que piceo-testaceis. Long. *27 *32. 



? Anchomenus calif amicus Dej. Sp. Gen. 3, 128. Mann. Bull. Mosc. 1843,197. 



San Francisco, San Jose and San Diego, California. I am doubtful about the 

 propriety of referring this to Dejean's species, which is described as having the 

 head and thorax obscure greenish-bronzed ; slight traces of such color may be 

 perceived in some of my specimens, but usually they are of a brownish black 

 color, slightly tinted with bronze. In the uncertainty which hangs over many 

 of the species, and under my great want of success in collecting (or perhaps in 

 identifying) the species found in California, it would be hardly prudent to pro- 

 pose this as a new species. The refiexed margin of the thorax is distinct, but 

 very narrow. 



D f. 



Winged species mostly of a black color, with the legs and antennae of the same 

 color as the body ; the thorax is rounded, with the posterior angles very obtuse, 

 or altogether rounded; the margin is moderately broad, usually slightly dilated 

 and refiexed towards the base ; the basal impressions are broad and shallow ; the 

 elytra are not much wider than the thorax, truncate, or even subemarginate at 

 the base, rounded and hardly perceptibly sinuate towards the extremity ; the in- 

 terstices are mostly fiat, and the third has three punctures, the second of which, 

 except when otherwise stated, is placed on or near the third stria. A numerous 

 group, containing closely allied, yet quite distinct species. 



19. P. c ol 1 a r i s, niger, nitidus, thorace rotundato, paulo convexo latitudine 

 vix breviore, angulis posticis rotundatis ^ndistinctis, margine picescente latius 

 reflexo postice latiore, impressionibus basalibus vix definitis, elytris thorace 

 sesqui latioribus convexiusculis, striis tenuibus subtiliter crenulatis, interstitiis 

 planis, 3io tripunctato, antennis basi fere piceis. Long. *3 -35. 



Anchomenus collaris Say, Trans. Am. Phil. Soc 4, 421. 



5 



