322 PROCEEDINGS OF THE ACADEMY OF 



than siBiRicus, with the stride of the elytra more strongly punc- 

 tured ; the inner rows are less impressed behind ; the dorsal fovea 

 is deep ; the scutellar stria is deep, and there are four or five small 

 punctures between it and the sutural stria. It seems therefore to 

 be N. SEMisTRiATUs Say. 



T. Nebria (Helobia) castanipes Kirby, afterwards described 

 as N. moesta Lee, and previously as N. Sahlbergi Dej. 



8. Calosoma peregrinator Guerin, Rev. Zool. 1844, p. 255; 

 angulatum Lee, prominens\^ Lee. Resembles llgubre, but is 

 less shining and not so coarsel}^ punctured. 



9. C. angulatum Chevr. Col. Mex. 1, No. 44. Resembles ex- 

 ternum in form, but differs in the pi'othorax being angulated at the 

 sides. Mexico. 



10. C. armatum Lap. Etudes Entom. 15G ; C. alternans Fabr. 

 fide Chaudoir. Antilles. 



n. C.fulgidiis Gebler, coll. Mnizsech. A variety of vieting- 

 Hovii, with the elytra more coarsely reticulate. Alaska. 



12. C. meander Fischer; ZapiVayt Lap. ; Tatumi Motsch. Ex- 

 tends from North America through Kamtschatka to Siberia. 



13. C. ligatus J Kirby, the type is C. serratus Say. 



14. Cychrus interruptus Men. (coll. Chaudoir) is G. conslric- 

 tus Lee. 



15. C. alternatus Motsch. (ibid.) is as large as C. striato- 

 punctatus Chaud., but the elytra are broader, and the prothorax 

 a trifle narrower, with the hind angles more distinctly margined 

 behind ; the specimens are ? , and they seem to belong to the large 

 one having only two joints of the % front tarsi spongy beneath. 



16. Ci/mindis marginata Kirb}' ; rejlexa Lee; cribricollis 

 Dej.! 



n. C. UNicoLOR Kirby is a small immature specimen of G. Inid- 

 sonica Lcc. ; the sides of the prothorax are more widely margined 

 than in pilosa, distinctly sinuate behind, and the hind angles are 

 prominent. 



18. C. VENATOR Dej., according to Baron Chaudoir differs from 

 AMERICANA Dej. My series is not sufllcientl}' large to decide this 

 point. 



19, A specimen of Triciiotiiorax cyaneus Montr., from New 

 Caledonia, in the collection of Mr, Perroud at L3'ons, is very simi- 

 lar to the variety of our Rhombodera pallipes in which the pro- 

 thorax and legs are yellow. 



