422 
Undatus. 
Erythrocs- 
phalus. 
Hczmer- 
rboidalist 
Marginellus 
Striatus. 
^ Luridui, 
* Minutus, 
Grifeus. 
*Bipuneta- 
tus. 
Pygmaeus. 
’Tricolor. 
INSECTS COLEOPTERA. 45. Hydrophilus. 
Ovate, black ; thorax pale : fliells ftriate grey. 
Inhabits South America ; rather larger than H Luridus. j 
Head glofly -black : antennae and feelers yellow ; thorax jj; 
double black dorfal line ; Jhells obfcurely waved with hi 
body black : /rgr yellow. 
Ovate, black ; head, thorax and border of the ^ 
fous. 
Inhabits a little lefs than H. Collaris. 
Legs rufous ; thighs black. 
Black ; fiiclls ftriate, tipt with ferruginous : fhanks 
ginous. _ . 
Inhabits Germany, lefs and more oblong than H. orbiculan®' 
Glofly-black : thorak and Ihells edged with rufous. 
Inhabits Germany ■, fize of the laft. 
Shells fmooth : legs black : tarfi ferruginnus. ^ 
-black : fhells 
tip. 
Inhabits Germany. Hydrophilus obfcurns. Fabndus. 
Head and thorax fmooth immaculate : legs fubferruginoUS- 
Thorax and ftriate fliells brown-cinereous ; body blsi-^ 
Inhabits Degeer. Ins. 4. tab. l^. fg- 12. 
ftriate, ferruginous at the bat 
Ovate black : fliells and legs grey. 
Inhabits Europe-, makes a buzzing noife towards night. 
Above cinereous, beneath brown ; legs cinereous. 
Inhabits Svxony, fize ofH. minutus. 
Thorax black edged with grey : fliells brown with ^ 
tifh margin and dot behind. 
Inhabits Europe ; fmall. ^ 
Head black with a grey marginal dot each fide ; dot on ^ 
fometimes hardly vifiible. 
Grey ; head black behind : thorax ycllowifli. 
Inhabits America; very minute. 
Shells fmooth grey immaculate ; body and legs darker. 
Black ; fliells piccous edged with black and ochraceous 
tip : legs tawny. a 
Inhabits Herljl. Arch. 5./. 122. tab, zS.fi' 
a* 
tl)f 
Cof^ 
