118 



Fabrician Species. 



Country. 



Genera of Authors. 



36. 



Nitidus 



Germany 



Necticus 1 Hope. 



37. 



Stagnalis 



England 



Hydaticus, Leach. 



38. 



Transversalis 



England 



Hydaticus, Leach. 



39. 



Calidus 



S. America 



Necticus, Hopel 



40. 



Abbreviates 



England 



Necticus, Hope. 



41. 



Ulliginosus 



Germany 



Necticus, Hope. 



42. 



Paludosus 



England 



Necticus, Hope. 



43. 



Irrorattis 



America 



Necticus ? 



44. 



Agilis 



England 



Rantus, Boisduval. 



45. 



Maculatus 



England 



Necticus, Hope. 



46. 



Brunneus 



Tangiers 



Necticus, Hope. 



47. 



Erytlirocephalus 



England 



Hydroporus, Clairville. 



48. 



Varius 



Sumatra 



Necticus 1 Hope. 



49. 



Interrogatus 



Carolina 



Coptotomus, Say. 



50. 



Notatus 



England 



Rantus, Boisduval. 



51. 



Adspersus 



England 



Rantus, Boisduval. 



52. 



Hsemorrhoidalis 



Germany 



Rantus ? 



53. 



Bicolor 



Guinea 



Colymbetes ? Clairville. 



54. 



Posticatus 



American Isles 



Copelatus, Erichson. 



55. 



Planus 



England 



Hydroporus, Clairville. 



56. 

 57. 



Depressus 



Dorsalis 



6-pustulatus 



Switzerland 

 England 







58. 



England 







59. 



Palustris 

 Ovatus 



England 





60. 



Europe 







61. 



Picipes 



Germany 







62. 



Lituratus 



Italy 







63. 



Signatus 



Patagonia 



Rantus, Boisduval ? 



64. 



12-pustulatus 



England 



Hydroporus, Clairville. 



65. 



8-pustulatus 



Switzerland 



Hydroporus ? 



66. 



Halensis 



Germany 



Hydroporus, Clairville. 



67. 



Granulans 



England 



. 



68. 



Confluens 



England 



Hygrotus, Stephens. 



69. 



Obllquus 



Kiel 



Haliplus, Latreille. 



70. 



Fulvus 



England 



Haliplus, Latreille. 



71. 



Impressus 



Paris 



Haliplus, Latreille. 



72. 



Semi-punctatus 



Eui*ope 



Noterus, Clairville. 



73. 



Crux 



Italy 



Hygrotus, Stephens ? 



74. 



Arcuatus 



Germany 



Hygrotus, Stephe?is. 



75. 



Geminus 



Saxony 



Hydroporus, Clairville. 



76. 



Lineattis 



Germany 









