CALOSOHIA, Weber. 



Large species with mentivm tooth simple 

 and third joint of antennae strongly compress- 

 ed. They live under stones, etc. 



Synoptic Table by Dr. J. L.. Leconte. 



Anterior tarsi of $ with joints 1-4 hairy beneath. 



Thorax with sides broadly flattened behind; body elongate, black. 



Elytra deeply striate, blue border 1. externum. 



Elytra smooth, with a few punctures on the basal half. . . .2. macruiil. 



Elytra with series of fine punctures 3. protractuni. 



Thorax narrowed behind, sides not flattened ; elytra deeply striate. 

 Elytra gold green with red margin. 



Larger; middle tibias of $ curved and with a dense brush of 



. hairs on the inner surface near the tip 4. scrutator. 



Smaller; middle tibi.i? of $ straight, not hairy 5. Willcovi. 



Elytra black, with three rows of small bronzed punctures. .6. frigid urn. 



Anterior tarsi of $ with joints 1-2 only hairy beneath. 



Thorax trisinuate behind, elytra deeply striate with three rows of golden 



foveas 7. Sayi. 



Anterior tarsi of $ with joints 1-3 hairy beneath. t 



* BLACK SPECIES without golden spots; striae of elytra faint and ob- 

 literated behind (except in angulation). 

 Elytra narrowly margined: 



Side margin of thorax meets the base in a well-defined angle. 



Head coarsely punctured, thorax strongly angulated at the sides. 



Elytra deeply striate §. angulatum. 



Elytra faintly striate 9. peregriliator. 



Head with a few coarse punctures in front. 



Elytra with coarse transverse punctures near the base. lO. lugubre. 

 Head finely rugose, not coarsely punctured. 



Elytra with a few fine short transverse wrinkles near the base, 



II. car ho n a I ii in. 

 Head smooth ; thorax narrowly margined. 



Elytra nearly smooth, oval; wings feebly developed, 12. Palme ri. 

 Side margin of thorax meets the base in a curve. 

 Thorax slightly bisinuate behind. 



Basal impressions slight; elytra nearly smooth 13. Iris I e. 



Basal impressions broad, elytra with scaly sculpture, 



14. obsoletum. 

 Thorax emarginate behind, hind angles broad, prolonged. 



"Without lustre, sides of thorax regularly rounded. . 15. semilaeve. 

 "Without lustre, sides of thorax oblique behind. 16. simplex, n. sp. 

 Elytra smooth, more broadly margined, oval ; wings wanting, (form robust, 



nearly as in triste) 17. Haydeni. 



