— 60 — 



Hyclroyatus Motscii. 



H. acuminatus Motsch. Et. Ent. 59.42. Sharp, Trans. Ent. 

 Soc. 84.440. — Sugura bei Sazaki, Otsu. 



BideSSUS Sharp. 



B. frontalis Sharp. Trans. Ent. Soc. 84.440. 



— Yokohama, Sakai, Osaka. 



B. japonicus Sharp. Trans. Ent. Soc. 73.54. Dytisc. 344 et 443. 



— Nagasaki. 



Hypliydrus iiiiger. 



H. japonicus Sharp. Trans. Ent. Soc. 73.54. Dytisc. 82.381, 

 t. 11, f. 137-138. Trans. Ent. Soc. 84.441. $ - frontalis Sharp, 

 Dytisc. 82.381. Sharp, Trans. Ent. Soc. 84.441. — Nagasaki, Hiogo. 



H. laeviventris Sharp. Dytisc 82.381. Trans. Ent. Soc. 84.441. 



— Yokohama, Tokio. 



CoeLimbuS Thomson. 



C. Vittatus Sharp. Trans. Ent. Soc. 84.441. 



— Yunsai, Uyeno, Tokio. 



Deroiiectes Sharp. 



D. anchoraiis Sharp. Trans. Ent. Soc 84.442. — Chiuzenji. 

 D. hOStilis Sharp. Trans. Ent. Soc. 84.443. — Süd Kiushiu. 

 D. simplicipes Sharp. Trans. Ent. Soc. 84.442. — Sapporo. 



HydroporUS Clalrville. 



H. natrix Sharp. Trans Ent. Soc 84.443. — Chiuzenji. 



tH. rivaiis Gyllh. ins. Suec 384,6 — 7. ßedtb., Faun. Austr. Ed. 



III, 1, 96 Anm. Sharp, Trans. Ent. Soc. 84.444. — Sapporo, Awomori. 



