14 The Philippine Journal of Science . wie 



parvulus var. decoratus BOHEM., Res. Eugen. (1858), 20. 



proteus Regime., Ann. Soc. Ent. France (1877), 358. 

 Luzon. 



ponticus Shakp, On Dyt. (1882), 311. 



sharpi Regime., Ann. Soc. Ent. France (1889), 151; (1899), 256. 



fiexuosus Sharp, On Dyt. (1882), 310. 

 sharpi var. clarki Sharp, On Dyt. (1882), 313. 



transversalis Regime., Ann. Soc. Ent. France (1877), 357; (1899), 261. 

 Luzon. 



Genus NEPTOSTERNUS Sharp 



hydaticoides Regime., Ann. Soc. Ent. France (1877), 359; (1899), 270. 



DYTISCIN.^ 



Genus PLATYNECTES Regimbart 



decempunctatus FABR.,t Syst. Ent. (1775), 232; Sharp, On Dyt. (1882), 

 540, PI. 14, fig. 175; Regime., Ann. Soc. Ent. France (1899), 283. 

 decempunctatus var. semperi Wehncke, in litt. ; Regime., Ann. Soc. Ent. 

 France (1899), 285. 

 Luzon, Benguet, Baguio (2901, Herzog; 9903, Curran). 



Genus LACCONECTES Motschulsky 



oceanicus Regime., Ann. Soc. Ent. France (1899), 291. 

 Balabac. 



Genus COPELATUS Erichson 



heterogynus Regime., Ann. Soc. Ent. France (1899), 295. 

 Palawan. 



masculinus Regime., Ann. Soc. Ent. France (1899), 295. 

 Luzon. 



quadrisignatus Regime., Ann. Soc. Ent. France (1877), 356; (1899), 298. 

 Luzon. 



Genus HYDATICUS Leach 



bihamatus AuEE,t Spec. (1838), 174; Sharp, On Dyt. (1882), 656; Regime., 

 Ann. Soc. Ent. France (1899), 316. 

 TiCAO (7475, McGregor): Palawan, Quinina River (10755, Schultze), 

 Taytay (17137, Schultze). 



fabricii MAcLEAY,t Annul. Javan. (1833), 134; Sharp, On Dyt. (1882), 663; 

 Regime., Ann. Soc. Ent. France (1899), 324. 

 rufulus AuEE, Spec. (1838), 199. 

 rhantoides Sharp, On Dyt. (1882), 663. 

 confusus Bohem., Res. Eugen. (1858), 21. 

 Luzon, Manila (2163, 5606, 10233, Schultze, Banks) : Palawan, Tay- 

 tay (17111, Schultze), Lake Manguao (17129, Merrill). 



luzonicus AuEE,t Spec. (1838), 179; Sharp, On Dyt. (1882), 657; Regime., 

 Ann. Soc. Ent. France (1899), 314. 

 Luzon, Manila (5733, Banks) ; Rizal, Montalban Gorge (5608, 

 Schultze). 



