986 On Aquatic Carnivorous Coleoptera or Dytiscide. 
Fig. 75. Anterior tarsus seen laterally of Noterus p (after Schiddte, Dan. El. XVIII, 3). 
Fig. 76. Under surface of front tarsus ¢ of Laccophilus (after Schisdte, Dan. El. XVIII, ¢). 
Fig. 77. Front tarsus of Agabus (Dytiscus chalconotus), (after Schiddte, Dan. El. XIX, a*). 
Fig. 78. Upper surface of front tarsus of Eretes 2. 
Fig. 79. Under surface vdem. 
Fig. 80. Right front tibia and tarsus of Eretes 9. 
Fig. 81. Intermediate leg of Cybister ¢ (Dytiscus reselii). 
Fig. 82. Hind or swimming leg of Hydroyatus. 
Fig. 83. 5 5 Macroporus (lower face, the ciliz are represented abbreviated). 
Fig. 84. ys ¥5 Hydrocanthus atripennis (upper face). 
Fig. 85. % a Megadytes (lower face, Cybister giganteus 2). 
Fig. 86. Hind tarsus (without cilix), of Pelobius; a, sole; 6, the short side. 
Fig. 87. Pe 5 Scutopterus horni. 
Fig. 88. S . Hyderodes shuckhardi. 
Fig. 89. a - Laccophilus. 
Fig. 90. % 5 Sandracottus (S. hunteri). 
Fig. 91. vs a Cybister (Dytiscus reeselii, Fab.) 
Fig. 92. Terminal joint of hind tarsus with claws of Homeodytes. 
Fig. 93. a 7 Fr Cybister (Dytiscus immarginatus). 
Fig. 94. . Megadytes 2p. : 
Fig. 95. Epipleura of Chostonectes. 
Fig. 96. Wing of Dytiscus sulcatus (Acilius) ; @ and b, costal and subcostal nervures } c, median nervure ; 
d, submedian nervure ; ¢, anal nervure; f, carpal cell, or carpa ; g, pigment fleck. 
Fig. 97. Wing of Hydaticus flavo-lineatus. 
Fig. 98. ,, of Cybister, (Dytiscus reeselii, Fab). 
Fig. 99. Dorsal and lateral aspect of cedeagus of Cybister confusus. 
Fig. 100. Idem os S of the closely allied Dytiscus limbatus (the lower portion is: 
not sufliciently elongate in this figure). 
Fig. 101. Idem of Cybister guerinii. 
Fig. 102. Idem of Dytiscus tripunctatus (Cybister) ; (the rendering of the dorsal aspect is not exact, but. 
its outline is fairly correct.) 
Fig. 103. Dorsal, lateral, and ventral aspects of cdeagus of Dytiscus reselii, Fab. (Cybister). 
Fig. 104. Dorsal and lateral aspects of cedeagus of Dytiscus latissimus (Dytiscus). 
Fig. 105. Lateral aspect of edeagus of Dytiscus sticticus (Eretes) on same scale as preceding figs. 
PLATES IX to XVIII. 
These Plates represent figures of one or more species of each genus of the Dytiscide ; as the figures are 
all numbered, and the numbers with the names are given at the foot of each plate, it is not necessary 
to repeat the names here. 
