16 



Dytiscid.e 



Stenocellus 



19149. carolinensis Csy. 24-142 N.C. 



50. veronianus Csy. 24-142 Fla. 



51. humboldtianus Csy. 24-142 



Cal. 



Acupalpus 



19152. subrectus Csy. 24-143 111. 



53. curtipennis ' Csy. 24-144 111. 



54. canadensis ' Csy. 24-144 Que. 



Stenolophus 



19155. testaceicollis' Csy. 24-145 R.I. 



Stenolophus 



191.56. floridanus Csy. 24-145 Fla. 



57. extensicollis ' Csy. 24-145 Ariz. 



58. rivularis ' Csy. 24-146 Mo. 



59. curticoUis Csy. 24-146 Md. 



Tachistodes 



19160. Ivratus Csy. 24-147 Kan. 



61. obscunisCsv. 24-147 N.Y. 



62. convergens Csy. 24-148 N.Y. L.I. 



Pseudomorpha 



19163. ruficollis Csy. 24-148 



La. 



OMOPHRONID^ 



Scnienov-Tian-Shanski 22 



Homophron Sem. 22-41 Paromophron Sem 22-40 

 includes 2287 (type), 2284, 2289, 2283, includes 2285 (type) 



2290; also 



19164. lengi Csy. 20-135 S.C. Istor Sem 22-43 



65 illustre Csy ''0-136 Ut. includes 2295 (type) 



■ 2289, citation should read Lee. 52-200 2296 = 2295 fide Fall 20-211 



Prosecon Sem. 22-44 



includes 2294 (type), 2293; also 

 19160. decoloratum Fall 20-211 Kan. 



HALIPLID.S 



Zimmcrmann 20 



Haliplus 



19167. dorsomaciilatus ' Zimm. 24-75 



N.Am. 

 68. minor Zimm. 24-193 Tex. 



2318 = immaculicoUis Harr. fide Zimm. 

 24-73 



Peltodytes 



2332 = 2336 fide Zimm. 19-69 



DYTISCID^ 



Blatchley 19, 20; Zimmermann 20; Fall 19, 23 



Notomicrus 



2338 transferred to Canthydrus by 

 Zimmermann ' 



Canthydrus 



19169. addendus Blatch. 20-261 Fla. 



2342 = 2341 fide Zimm. 19-115; Blatcli- 

 ley in a letter does not agree 



Hydrocanthus 



2348 = 2346fide Zimm. 19-118 



Laccophilus 



2352a = 2352 fide Zimm. 20-18 

 2353 = 2.351 fide Zimm. 20-21 

 2359a. rufus Melsh.fide Zimm. 20-18 



Hydrovatus 



2367 should be called pustulatus fide 

 Zimm. 20-35 



Desmopachria 



19170. mutchleri Blatch. 19-309 Fla. 



19171. longovalis Blatch. 19-310 Fla. 

 72. subsericeus Blatch. 19-311Fla. 

 2389b, locality should read Ariz. 



Bidessonotus Reg. 95-331 



2388 Ijclongs here 



' Many changes proposed by Zimmermann have not been adopted by Fall 23 although cognizant thereof. Zimmer- 

 mann appears to have overlooked Blatchley. 



