Genus [44]. Odontonyx. Steph. One species. 



O. rotundicollis, Marsh. Pitchy aeneous ; base of antennae 

 and legs testaceous ; three and a half lines ; fields. PI. 6, 

 fig. 3. 

 Genus [45]. Taphria. Bonelli. One species. 



T. vivalis, Panz. Black ; antennae and legs red ; four lines ; 

 humid woods. PI. 6, .Jig. 4. 

 Genus [46]. Pristonychus, Dej. Differs from Sphodrus by its 

 claws being serrated at the base within, and posterior trochan- 

 ters of the male not produced. One species. 



P. subcyaneus, Illig. Pitchy black ; elytra with a violet tinge ; 

 antennas and legs sometimes paler ; 7 — 8 lines ; damp cel- 

 lars. PI. 6, Jig. 5. 

 Genus [47]. Sphodrus. Clairv. Differs from Pristonychus by 

 the claws being simple and not serrated, and the posterior 

 trochanters of the male produced into a long spine. One 

 species. 



S. leucophthalmus, Lin. Opaque black; 10 — \\\ lines; 

 damp cellars. PI. 6, Jig. 6. 

 Genus [48]. Platynus. Bonelli. One species. 



P. angusticollis, Fab. Entirely of a bright shining black ; 

 six lines ; woods, roots of trees. PL 6, fig. 7 • 

 Genus [49]. Agonum. Bonelli. Thirty species. 



A. marginatum, Lin. Coppery green or reddish above ; 

 margin of elytra and tibiae testaceous ; 4 — 5 lines ; banks 

 of ponds and marshy places, common. PI. 6, Jig. 8. 

 Genus [50]. Olisthopus. Dej. One species. 



O. rotundatus, PayJc. Fusco-aeneus ; antennae and legs tes- 

 taceous ; three and a half lines ; corn fields. PI. 7, 



fig- l - 



Genus [51]. Anchomenus. Bonelli. Three species. 



A. prasinus, Fab. Red ; head, thorax, and a large common 

 patch, at the apex of the elytra, green ; antennae fuscous 

 from the base ; three and a half lines ; fields. PI. 7, 



fig- 9 - 



Group V. TRECHINI. Shuck. 



Genus [52]. Aepus. Leach. One species. 



A. fulvescens, Leach. Entirely pale testaceous ; flat and 

 shining ; one line ; under stones below high water mark. 

 PI. 7, Jig. 3. 

 Genus [53]. Epaphius. Leach. One species. 



E. secalis, Payh. Ferrugineous ; shining ; antennae fuscous, 

 legs testaceous ; eastern coasts. PI. 7, Jig. 4. 

 Genus [54]. Blemus. Ziegl. Six species. 



