DIACHILA, Mots. 



D. subpolaris. Lee Park bronze, shining, underside and leers black. It 

 resembles Blethisa, but differs from it by the last joint of maxillary palpi be- 

 ing elongated as in Elaphrus, and from Elaphrus by having small eyes and 

 the elytra striate without large foveae. 



Lec. New species I. page 2. Length 10 mm. Hudson Bay Terr. 



BLETHISA, Bon. 



Blethisa resembles Elaphrus, but has the hea 1 narrower and the eyes smal- 

 ler, head and thorax parallel, elytra, distinctly foveojate. They live during 

 summer near rainpools. 

 Crotch classified them as follows (Trans. Am. Ent. Soc. V. 247). 

 Thorax punctate above 1. Julii. 



Thorax smooth 

 Thorax quadrate 2. quadricollis. 



Thorax subcordate 

 Thorax punctate beneath 3. multipunctata. 



Thorax smooth beneath 4. oregonensis. 



1. Julii, Lec. New spec. I. 18B3. page 2. Length 11 mm. Nova Scotia. 



2. quadricollis, Hald. Proc. Ac. Phil. III. 149. Length 15 mm. found in Wise 

 and N. Ills. 



3. multipunctata, Lin. Faun. Suec. Nr. 803. Length 12 mrn. Europe and 

 North IT. S. 



4. oregonensis, Lec. Classif. Carab. page 401. -acutangula, Chd. Length 12 

 mm. Oregon. 



Synoptic table of the three genera of "EL APHRI3JT. 

 By Geo. H. Horn. M. L\ 

 Eyes prominent, Elytra foveate. 1. Elaphrus. 



Eyes not prominent. 

 Last joint of maxillary palpi long. Elytra not 



foveate. 2. Diachila. 



Last joint of maxillary palpi short. Elytra foveate. 3. Blethisa. 



LOKICEEA, Latr. 



<< First joint of antenna? very long, joints 2-13 furnished with long 

 ■ diverging bristles. Thej' live near rainpools or near swamps in 

 woods. 



Synoptic table by Geo. H. Horn. M. I). 



Elytra with a single series of foveolae. 



Sides of thorax posteriorly oblique, hind angles not 



prominent 1. caerulescens. 



Sides of thorax slightly sinuate, hind angles snbrectangular. 



2. californica. 

 Elytra with a double series of foveolae. 

 Legs black ; hind angles of thorax rectangular. 3. decempunctata. 



Legs testaceous ; hind angles obtuse. 4. foveata. 



1. caerulescens. Lin. Syst. Ent. page 243. - pilicornis Fab. -semipnnctafa. 

 Mann. Bull. Mosc. 1843. page 91. -neoscotica, Lec. New Spec. Col. I. I8t>3. 

 page 3. Length 8-9 mm. North of Europe and of l T . S. 



2. californica, Lec. New Spec. Col. I. 1863. page 3. Length 8mm. Cal. 



3. decempunctata, Mann. Bull. Mosc. 1843. page 92. Length 9 mm. Sitka- 



4. foveata. Lee. Anna]. Lv<>. Y. p»,?f 180. I/eneth 8 mm. •'»'. 



