836 
inaequalis. F. 
cuspidatus, Germ, 
decoratus. Gylih, 
depressus. F. 
elegans. Ill. 
frater. Kunze. 
assimilis. Sturm. 
assimilis. Payk. 
borealis. GyllA. 
alpinus. Duft, 
halensıs, F. 
areolatus. Duft. Sturm, 
parallelogrammus. Ahrens. 
picipes. F. 
var. alternans. Kunze. 
lincellus, Gyllh. 
confluens, F. 
dorsalis, F\ 
* platynotus, Germ. 
+ ovatus. Sturm. 
castaneus, Heer. 
* nitidus. Sturm, 
palustris, Z. 
6-pustulatus, F, 
rufifrons, Duft. 
erythrocephalus. F. 
+ elongatulus. Sturm, 
planus. F, 
marginatus, Duft. 
pubescens. Gyl!h. 
piceus, Sturm, 
melanocephalus, Sturm, 
* melanarius. Sturm, 
nigrita. F, 
+ tristis, Payk. 
* umbrosus, Gylih. 
® notatus. Sturm, 
* memnonius, Nicolai, 
niger. Sturm, 
pygmaeus, Sturm, 
* obscurus, Sturrm. 
* yittula, Erichs, 
angustatus, Sturm, 
lineatus, F, 
pietus. F, 
arcuatus, Pz. 
pumilus, Aube. 
bilineatus, Sturm. 
granularis. Z, 
geminus, F, 
unistriatus, Illig, 
delicatulus, Schaum, 
68. Gatt. Hyphidrus.Nlig. 
Hydrachna. F. 
ovatus.ZL. 
gibhus. F. 
variegatus. Aube, 
69. Gatt. Haliplus. Latr. 
Dytiseus, F. Hoplitus. Clairv, 
Cnemidotus, Illig. 
elevatus. Pz. 
fulvus, F. Sturm. 
ferrugineus. Gylih, Aube, 
impressus, F, 
flavieollis, Sturm, Aube. 
variegatus. Sturm, 
einereus, Aube. 
ater. /W. Redt. 
fluviatilis, Zube, 
ruficollis, Degeer, 
marginepunctatus.Pz, 
impressus, Gylih, 
fulvicollis, Zllig, 
lineato - collis, Marsh, 
bistriolatus. Duft. Sturın, 
obliquus, F' 
lineatus, Aube, 
70. Gatt. Onemidotus.1llig. 
Haliplus. Zafr, Dytiscus, Duft, 
caesus, Duft, 
impressus, Pz. 
IV. Fam. Gyrini. 
74. Gatt. Gyrinus.L. 
* strigipennis, Suffr, 
striatus, Aube, 
minutus, F\ 
urinator, ZUZ, 
mergus. Ahrens. 
marginatus,. Germ, 
natator, Ahrens, 
bicolor, Payk, 
* colymbus, Erichs, 
marinus, @yl/A, 
opacus. Sahlb, 
aeneus, Aube, 
72. Gatt. Orectochilus. 
Eschsch. 
Gyrinus, F, 
villosus, F\ 
V. Fam. Hydrophili. 
73. Gatt. Spercheus. F. 
emarginatus, F, 
74. Gatt. Helophorus. Fabr. | 
nubilus, F, 
grandis, Illig, 
aquaticus, Gylih, 
aquaticus, Z, 
granularis, Z, 
Jlavipes. F, Sturm, 
griseus, Herbst, 
* dorsalis, Marsham, 
* pumilio, Erichs, 
nanus, Sturm, 
75. Gatt. Hydrochus. Leach. 
Elophorus, F, 
angustatus, Germ, 
crenatus, Sturm, 
elongatus, F\ 
carinatus, Germ, 
brevis, Herbst, 
‚76. Gatt. Ochthebiüs. Leach. 
Elophorus, F. 
exscupltus,. Müll, Germ, 
foveolatus, Müll, Germ, 
pygmaeus. F\, 
riparius, Latr, Sturm, 
margipallens, Marsh, 
* picolon, Germ, 
gibbeosus, Müll, @erm, 
* suleicollis, Zinz, 
lacunosus, Müll, @erm, 
punctatus, StepAh, 
77. Gatt. Hydraena. Kugelan. 
Elophorus. F, 
riparia, Kugel, 
longipalpis. Sturm, 
palustris, Erichs, 
* nigrita, Müller, 
* flavipes, Linz, 
gracilis, Müller, 
pulchella, Müller, 
78. Gatt. Zömnebius. Leach. 
Hydrophilus, Pk, Duft. 
truncatellus, Payk, 
atomus, Duft, 
minutissimus, @erm, 
79. Gatt. Zaccobius. Erichs. 
Hydrophilus, Duft. Fabr, 
minutus, Z, 
bipunctatus. F. 
80. Gatt. Berosus. Leach. 
Dytiscus,. Z, Hydrophilus, F, 
Schkönh, Pz, 
spinosus, Schönh, 
luridus, Z, 
signaticollis, Charpent. 
81. Gatt. Aydrophilus. 
caraboides, F\, 
flavipes. Stev. 
82. Gatt. Zydrous. Leach. 
Hydrophilus, Z, F. Duft. 
piceus, L, 
aterrimus, Sturm, 
83. Gatt. Hydrobius. Leach. 
Hydrophilus, 4uct, 
fuscipes, Z. 
scarabaeoides, F. Sturm. 
oblongus. Herbst. 
picipes Sturm, 
bicolor, Payk, 
limbatus, F. 
glohulus. Payk. Duft, 
minutus, Oliv, 
84. Gatt. Phöülhydrus. Solier. 
Hydrophilus, 4uct. Hydrobius, 
Sturm, 
griseus, F. 
* frontalis, Erichs, 
testaceus, F\ 
grisescens. Gylih, Sturm, 
+ melanocephalus. F. 
marginellus, F' 
var, 
affinis, Payk. 
85. Gatt. Cyllidium. Erichs. 
Hydrophilus. Payk. Agathidium, 
Sturm. 
seminulum, Payk, 
