utroque seriebus quatuor e punctis minutis impressis, 

 suturali prima regulari simplici, reliquis duplicatis po- 

 sticeque macula minuta nigrescente. 



Longit. 6| — 71 lin. Latit. 3J — 3| lin. 



Dejean, Cat 3-eme edit p. 61. — Motschulsky, Hydrocan 

 thares de la Russie, Cat. p. 7. 



CoLYMBETEs DOLABRATüs EHchson, Gen. Dyt. p. 33. — Auhe, 

 Spec. gen. p. 232. 10. Iconographie V. p. 103. 7. tab. 13. 

 fig. 2. — Gauhil, Cat. p. kk. 6. — Cat. Col. Europ. 1852. 

 p. 14. Dytiscus dolabbatds Paykull, Fauna Suec. I. p. 204. 

 13. — Gyllenhal, Ins. Suec. I. p. 478. 12. — Sahlberg, 

 Ins. Fenn. I. p. 158 12. — Zetterstedt, Fauna Lappon. 

 I. p. 210. 9. Ins. Lappon. p. 129. 11. 



In aquis stagnantibus insulae Kadjak semel invenit D. 

 Bolmberg; Individuum alterum ad sinum Woskresensk 

 peninsulae Kenai, exitu Maji, a D. F. Frankenhaeuser 

 captum. 



66. Ilybiüs pigipes Kirhy : oblongo - ellipticus , con- 

 vexus; supra aeneo - niger obscurus, reticulalim con- 

 fertissime acuductus, subtus aterrimus; vertice vix 

 conspicue rufo - bimaculato; thorace antice serie du- 

 plici e punctis minutis marginato, margine basali pun- 

 ctis vix conspicuis, ante scutellum omnino nullis; ely- 

 tris punctis minutissimis obsolete impressis rarioribus, 

 hinc inde sparsis, vix in series digestis; labro, anten- 

 nis pedibusque quatuor anterioribus piceis. 



Longit. 4|: lin. Latit. 2 lin. 



CoLYMBETEs piciPEs Richafdson, Fauna Bor. Ämer. IV. p 71. 

 105. 



Habitat in aquis ad sinum Woskresensk peninsulae Kenai 

 rarissime; D. Bolmberg. Ij rhtu.. 



