78 



Dytiscid.e 



Deronectes fihp. 82-418 



2428. (lepressus (Fab.) 75-233 Nfld. N. Y. 



brevis (Sturm) 35-9 [L. Sup. 



rotundatus (Lee.) 63-21 Can. 



29. catascopium (Say) 23-103 Wis. Vt. N. Y. 

 prosternalis Shp. 8i2-434 " N. A." 

 suffusus Shp. 82-434 " N. A." 

 interruptus (Say) 34-445 



parallelus (Say) 23-98 



30. griseostriatus (DeG.)74-103 Lab.N.H.Can. 



Or. 



31. striatellus (Lee.) 51-207 Cal. Ariz, 

 pulcher (Mots.) 59-363 (Mont. 



32. iEquinoctialis(Clk.) 62-178 Ariz.Mex. 



Guat. 

 Hydroporus Clairv. 06-182 



2433. aulicus Aube 38-572 Ga. Tenn. 



34. (liversicornis Shp. 82-437 Tex. 



35. triangularis Fall 17-170 Wis. 



36. pilatei Fall 17-170 La. 



37. wickhami Zaitz. 08-118 Pa. Va. 111. 

 concinnus || Lee. 55-297 [Kans. Minn. 



38. ohionis Fall 17-172 Ohio. 



39. coeheconis Fall 17-171 N.H. 



40. puleher Leo. 55-297 N.Y. 111. Ala. 



41. integer Shp. 82-438 Vt. Pa. 



42. shermani Fall 17-172 N.Y. Ind. T. 



43. lineolatus Lee. 5.5-296 111. Ga. 

 vittatipennis G. & H. 68-442 



44. mellitus Lee. 55-299 Vt. Ind. Ga. 



45. dixianus Fall 17-173 Ga. 



46. cimicoides Shp. 82-439 N.J. Va. Fla. 



47. undulatus Say 23-102 Ind. Mass. 

 fasciatus Harr. 28-164 [Fla. 

 pubipennis Aube 38-480 



velutinus Aube 38-481 



48. oppositus Say 23-102 



49. lobatus Shp. 82-439 Mass. 



50. scrutator Shp. 82-440 " N.A."? 



51. lynceus Shp. 82-440 " N..\." 



52. clypealis Shp. 82-441 Mass. 



53. amicus Shp. 82-441 Pa. La. 



54. consimihs Lee. .50-214 L.Sup. Or. 

 placatus Fall 17-177 Or. 



55. eruditus Shp. 82-442 Pa. 



56. republicanus Shp. 82-442 " N.A." Fla. 



57. proximus Aube 38-483 N.H. Mass. 



Ind. 



58. spurius Lee. 55-296 Vt. Mass. 

 jx-ltatus Shp. 82-441 [N.Y. 



59. dilatatus Fall 17-174 N.H. Mass. 



a. suft'usus Fall 17-175 N.J. [Md. 



60. sulcipennis Fall 17-175 N.H.N.Y.Va. 



61. hybridus Aube 38-513 111. la. 



62. semiflavus Fall 17-176 III. Mo. 



63. mixtus Lee. .5.5-296 Nehr. Kans. 



64. carolinus Fall 17-180 N.C. 



65. vittatus I-ec. 55-296 Nebr. Minn. 



in. 



66. serieeus Lee. .50-214 Man. L.Sup. 



67. solitarius Shp. 82-445 L.Sup. Ma.ss. 



Nfld. 



68. venustus Lee. 55-295 N.J. Va. N.C. 



69. arizonicus Fall 17-178 Ariz. 



70. semirufus Lee. 55-296 Nebr. Kans. 

 dimidiatus G. & H. 68-432 [Conn. 



71. striatopunctatus Melsh. 46-28 



Ind. N.Y. Va. 



72. tigrinus Fall 17-178 Va. 



73. vitiosus Lee. 5.5-296 Can. 111. 



Hydroporus Chiirv. 



2474. blanchardi Sherm. 1.3-52 Mass. Ala. 

 vitiosus Shp. nee Lee. 82-443 



75. eximius Mots. 59-164 Cal. 



76. addendus Cr. 73-.393 B.C. L.Cal. 



77. funereus Cr. 73-392 L.Cal. 



78. me.xicanus Shp. 82-447 Mex. Ariz. 



79. rofli Clk. 62-176 Mex. Ariz. 



80. corvinus Shp. 87-754 Tex. Ariz. 



81. alpinus (Payk.) 98-226 L.Sup. Nfld. 



82. 12-lineatus Lee. .50-214 L.Sup. 

 Vla-vis Kby. 37-67 



83. septentrionalis (Gyll.) 27-385 



Nfld. N.H. 



?seitulus Lee. 55-295 L.Sup. [N.Y. 



84. picturatus Horn 83-283 Nev. 



85. rivalis (Gyll.) 27-384 Cal. 

 obesus Lee. 66-365 Cal. 

 congruus Lee. 78-452 Colo. 



86. 4-maculatus Horn 83-284 Nev. 



87. occidentalis Shp. 82-4.56 B.C. 



88. longieornis .Shp. 70-205 Lab. 



89. caliginosus Lee. .50-214 L..Sup. 

 puberulus Lee. .50-215 L..Sup. 



90. morio Shp. 82-471 Lab. N.H. 

 atriceps Cr. 70-96 Greenland. 



91. tartaricus Lee. .50-214 L.Sup. 

 Ynigellus Mann. 53-163 Alas. 



92. obscurus Sturm 35-65 Mich. Nfld. 



93. tenebrosus Lee. 50-214 L..Sup. Lab. 



Mass. 



Vlutulentus Lee. .55-298 L.Sup. 



luridipennis || Lee. 50-216 L.Sup. 



Vhirtellus Lee. 51-208 Cal. 



94. subpubescens Lee. 51-208 Cal. 



95. despeetus Shp. 82-466 Can. Mass. 



96. perplexus Shp. 82-467 Lab. Cal. 



97. rusticus Shp. 82-467 Nev. 



98. appalachius .Sherm. 1.3-53 N.H. Can. 

 signatus Shp. nee Mann. 82-469 



99. longiuseulus G.&H. 68-436 Alas, 

 oblongus I! Aube 38-605 



2500. glabriusculus Aube 38-312 Alas. 



01. tristis (Payk.) 98-232 Can. Mich. 

 ?varians Lee. 50-214 L.Sup. [Mass. 

 ?ruficapillus Mann. 52t304 Alas. 



02. subtonsus Lee. .5.5-292 L.Sup. Vt. 



03. contractulus Mann. 52-304 Alas. [N.Y. 



04. rufinasus Mann. .52-305 Alas. 



05. americanus .\u))e 38-575 Ind. Mass. 



06. dentellus Fall 17-181 N.H. Mass. 



07. fortis Lee. 51-207 Cal. Or. 



08. signatus Mann. 53-161 Can. 111. N.Y. 



09. fuscipennis Kies. 68-64 Mass. 

 ?puberulus Mann. .53-163 



10. diehrous Melsh. 46-28 Ind. Mass. 



11. melsheimeri Fall 17-182 Mass. 



12. inornatus Shp. 82-478 Mass. 



13. axillaris Lee. 53-132 Alas, 

 humeralis || Lee. 51-207 Colo. 



14. niger .Say 23-102 Ind. Mass. 

 modestus .\ube 38-576 [Can. 

 punctatissimus Aube 38-484 



15. latifrons Shp. 82-478 " N.A."_ 



16. nrfieeps Shp. 82-479 Mass. Va. 



17. rufilabris Shp. 82-479 Tex. 



18. notabilis Lee. 50-216 L.Sup. 



19. arcticus Thorns. .54-197 Lab. 



20. humeralis Aube 38-578 Lab. B.C. 



Alas. 



