LEIODIDiiE 



81 



DYTISCIDiZE 



Brown 31. 32; Fall 32. 



Derovatellus Sharp. 80-286 

 21725. floridanus Fall 32-146 Fla, 



Hydroporus 



21726. compertus Brown 32-4 B.C. 

 2476. ping-uis Fall (19191) is a syn. 



21727. deceptus n.n. Fall 32-145 

 for addendus Fall nee Cr. 



2522. aequus Fall (19222) is a syn. 

 20775. brodei Gell. is a var. of 2486. 



21728. barbarse' Fall 32-146 So.Cal. 

 (Neophorus) Guignot 31-47 

 19202 is placed in this subgenus 



Agabus 



21729. verus Brown 31-115 Man. 



21730. verisimilis Brown 32-4 B.C. 



gyrinid;e 



GjTinus 



21731. instabilis Fall 31-155 Alas. 



21731% opacus var. blairi n. n. 

 Omar Cooper 31-239 

 (= lecontei O.C. 30-68 

 nee Fall) Greenland 



LIMNEBIIDiiE * 



Ochthebius 



21732. insulanus Brown 31-116 



Vane. 



Lininebius 



21733. columbianus Brown 32-5 



B.C. 



HYDROPHILIDiiE 



Hydrophilus 



The species 278'9 to 2791 belong in 



this genus. 



fide Mutchler 31 



Hydrochara Berthold 1827 



The species 2793 to 2796 belong 

 here. 



Tropistemus 



21734. columbianus Brown 31-119 



Vane. 

 Enochrus 



21735. collinus Brown 31-118 Que. 

 Cercyon 



19287. kulzeri Knisch 22-97, 



fide Blackwelder 31-19 

 californicus Fall 24-251 



LEIODIDiE 



Hydnobius 



21736. simulator Brown 32-6 B.C. 



Leiodes 



21737. validus Brown 32-202 QOe. 



21738. impersonata Brown 32-203 



Que. 



Leiodes 



21739. bradorata Brown 32-204 



Que. 



21740. potens Brown 32-205 Que. 



• For the establishment of this family, see the writings of Boving and introduction to second 

 supplement. 



