SILPHID^ 



americanus Say 23-107 (not 26-107) ^^ 

 emarginatus Say 23-108 (not 26-108)^i 

 s.floridensis Ochs 29-125 Fla. 



s.mutchleri Ochs 24-3 Bahamas 



CYCLINUS Kby. 37-78 '* 

 americanus (L.) 88-? 



assimilis (Kby.) 37-78 ">* 



Gyrininae 



54 



Gyrinus 



GYRINULUS Zaitzev 07-238 '^^ 

 minutus F. 



OREOGYRINUS Ochs 35-124 ^^ 

 parcus Say 



* * * 



Hmbatus Say 23-109 (not 25-109)^1 

 phcifer Lee. 



flateralis Aube 38-673 (not 38-773)^1 

 analis Say 23-108 (not 25-108)^1 

 opacus 



v.blairi Omer-Cooper (not Omar 



[Cooper)*^ 

 pectoraUs Lee. 68-370 B.C.^^ 



floridensis Ochs 29-123 ^i Fla. 



Orectochilinse 



Gyretes 



iricolor Young 47-31 



Fla. 



HYDROPHILID^ 



Ochthebius 



insulanus Brown 31-116 Vanc.L B.C.^' 

 interruptus Lee. 52-210 (not 51-21)^^ 



[L. Cal.si 



Hydraena 



needhami (d' Oreh.) 29-79 «« N.Y. 



Helophorus 



inquinatus Mannh. 52-343 (not 52-243)^1 

 lecontei Knisch 24-88 Cal. L.Cal." 



obscurus Lee. 51-210 ^^ 

 needhami d'Orch.^* 



Epimetopus 



thermarum S. & B. 18-130 (not 17-130)^1 



Hydrochus Leach 17-90 (not 17-190) ^^ 



Heniiosus 



exilis Lec.^^ 



Berosus ^^ 



exilis Lec.^' 



moerens Shp. Tex.*^ 



Hydrophilus 



castus Say 31-170 (not 35-170) ^i 



55 Leech — 42. 



56 Transferred from Helophorus, Leech in litt. 



57 Leech — 44. 



5* In error, see Hydraena; Leech in litt. 



59 Belongs in Berosus, Leech — 43. 



60 Synonymy in 4th suppl. from d'Orch. — 33 



(not — 34), Leech in litt. 



61 Transferred in error to Hemiosus, Leech — 43. 



62 Leech — 43. 



Tropisternus 



PRISTOTERNUS d'Orch. 36-31 1 



(Cyphostethus d'Orch. 19-160)^3 



quadristriatus (Lee.) 71-331 ^5 ee ]^_^_ 



glaber Dej.** 

 sublgevis (Lee.) 55-368 Mass. 



xanthopus Shp. 82-59 " 

 glaber (Hbst.) 97-298 Ill.Can. 



sublxvis d'Orch 22-15 «* 

 natator d'Orch. 38-436 (N.A.) 



glaber (Lee.) (not Hbst.)«* 



glaber (Shp.) (not Hbst.)«* 

 modestus d'Orch. 38-437 N.Y. N J. Tex. 

 salsamentus Fall 01-214 Cal. 



calif ornicus Mots. 59-175 ^^ es 

 (not Leconte, 1855) 

 orvus Leech 45-183 Nev.Cal.Ore. 



californicus (Lee.) 55-367 Cal.-B.C. 



caligans d'Orch. 41-3 ®* 

 columbianus Brown 31-117 ^^ 



californicus d'Orch. 41-2 ^* 



Crenitis 



maculifrons Brown 40-183 B.C. 



Enochrus ^° 



consortus Green 46-61 Mass.-N.J.-Ill.- 



[Minn. 

 Chaetarthria Steph. 33-22 (not 32-401) " 



Phaenonotum 



exstriatus Say 35-171 Md.-Fla.-Ind.-Tex. 

 eslriatum Lee. 53-36 ^^ 



Sphaeridium Fab. 

 * SPH^RIDIUM s.str. 



lunatum F. N.Y.-Colo.-B.C.'" 



scarabceoides L. 58-356 N.H.-Ariz.-Cal.- 



[B.C.^o 

 SPH^RIDIOLINUS Menozzi 



[21-53 70 

 bipustulatum Fab. 81-78 Eur. N.Y.- 



[Wash.^o 

 a.quadrimaculatum Marsh. 02-66 



[Mich. Wash.^o 

 a.humerale Westh. Mieh.''" 



a.marginatum Fab. Mich.^" 



Cercyon 



terminatum Marsh. 



2884 = (not 2484 = Y"- 

 falli Winters 44-95 N.J.-B.C. 



analis of Fall ^^'' 

 analis (Payk.) N.J.««° Eur. 



Megasternum 



boletophagum Marsh. 02-72 Wash.^" Eur. 

 pugetense Hatch 46-79 Wash. 



SILPHID^ 



Nicrophorini 



Nicrophorus 



NECROPTER Sem. 



63 d'Orchymont — 36. 



64 d'Orchymont — 38. 



65 Error for Horn 71—331. 



66 Listed as distinct by d'Orchymont — 38. 

 6'' d'Orchymont — 41. 



68 Leech— 45. 



69 Listed as synonym of californicus by d'Orchy 



mont — 41. 

 69° Winters — 44. 



70 Hatch— 46. 



