52. 



4. planicollis, Lee. Ann. Lye. IV, 327. Ga. — 24 mm. 



5. sp'lendidus, Say. Trans. Am. Phil. II, 68. Tex. Neb. Ks. La. Mo.— 18-25 mm. 



=decoloratus, Lee. Ann. Lye. IV, 325. 



6. frirpurahis, Bon. Mem. Ac. Torin 1813. p. 447. N.Y. Pa.'Fla. La. Mo. 111. -20-25 m. 



=ckalybaeus, Dej. Spec. V, 68$.=con/usus, Lee. Ann. Lye. IV, 324. 

 -=iricolor, Lee. ibid. IV, 326.=&io/act?us, Bon. Mem. Ac. Tor. 1813. p. 447. 

 =cyaneus, Dej. Spec. V, 686. 



7. quadratics, Lee. Ann. Lye. IV. 322. Fla. — 25 mm. 



=Lecontei, Ferte. Ann. Fr. 1851. p. 277. 



8. carinatus, Dej. Spec, V. 689. Ga. Fla. —20mm. 



9. alternans, Dej. Spec. 11,387. Fla. Ga. — 18-20 mm. 



10. sculptilis. Say. Trans. Am. Phil. II, 68. Mo. Ks. O. Ills. D.C. Md.— 18-20 mm. 



11. furvus, Dej. Spec. II, 388. Mo. Fla. Ky. Ohio. — 16 mm. 



12. crenatus, Lee. Ann. Lye. IV, 389. La. Tex. — 15 mm, 



13. ovalis, Lee. Ann. Lye. IV, 327. Pa. Md. D. C. 111. Ohio. Tex. — 15 mm. 



14. elongatus, Bon. Mem. Ac. Tor. 1S13. p. 447. N. Y. Ills. Md. D.C. La. Tex.i5-iS m 



—simplex, Dej. Spec. II, 3Sg.=o/>sa/rz(s, Lee. Ann. Lye. IV, '},ig==opacus, JLec. 



15. ambiguus, Ferte. Rev. Zool. 1841. p. 48.. Ann. Fr. 1851. p. 277. N. Y. Pa. Mo. 111. 



D.C. — 20-22'mm=^acw, Ferte, ibid. p. 43, Ala..=re/lexus, Lee. Ann. Lye. 

 IV, 330. ¥a..==iurbulentus, Lee. New. Spec. Col. I. 12. Mo. 



16. teter, Bon. Mem. Ac. Torin 1813. p. 449. N.Y. Pa. O. Md. D.C. Va. — 20-22inm. 



17. politus, Dej. Spec. II, 391. N.Y. Penn. D. C. Fla. — I2-I5mm 



=Leonardi, Han-is. New Engl. Farmer. 1828. Ga. 



DIPLOCHILA, Brzdi. 

 Black, smooth species of medium size living under stones on wet places. 

 (Synoptic table by Geo. H. Horn, M. D. ) 



Hind angles of thorax distinct 



Thorax broad, base broader than apex; outer striae of eyltra feeble 1 laticolllS, Lee. 



Thorax less transverse, broadest at middle, base scarcely broader than apex, outer 



. stripe distinct 2. impressicollls Dej. 



Hind angles obtuse 



Outer striae of elytra feeble 3. Obtusa, Lee. 



1. laticollis, Lee. Ann. Lye. IV, 319. N. Y. Ills. Mich. Neb.— 13-15 mm. 



=majoi\ Lee. 1. c. 318. (a large Southern var. 18 mm. from La. Tex.)=assimilis. 

 Lee. Proc. Ac. Phil. II, 51. Ann. Lye. IV, 320. 



2. impressicollis, Dej. Spec V, 682. Lee. Ann. Lye. TV, 319. 



■=striatopunctatus, Lee. Proc. Ac. Phil. II, 50. N.Y. Mich. 111. Wash Ter. — 17mm 



3. oblusa, Lee. Ann. Lye. IV, 320. Ills. Nev. Kans. — 12 mm. 



LI CI N If S, Lair, 



L. 'Silphol&es, Eab. Syst. El. I, 190. — This Insect rare in Europe has also been found 

 near Boston, Mass. Length 16mm. Black opaque; elytra striate punctate, intervals some- 

 what rugose with single larger punctures. Thorax rounded at the sides, excavate at base 

 and apex, side margin not reflexed. Mentum without tooth, labrun truncate, last jo 

 palpi seceuriform. Anterior tarsi of <$ with 2 dilated joints. 



