66 Insecta. Pterodicera. | 



Hjdrophile brun. Latr. Hist. nat. des Crust. et des Insect. , .1 



tom. io,p. 61. 



i 

 Dytiscus piceus. Linn. System. nat. , ed. i3 , tom. 1 , pars 1 , 



p. 664. — Faun. Suec, ed. 2, n°. 764. 



ScHJEFF. Icon. Insect. , tab. 53 , fig. 1,2. ; 



Habitat in Europae aquis dulcibus. •- 



1 



//. Sternum posticum inerme ( tarsi filiformes , unguibus \ 



haud bijidis aut obsolete unidentatis^. \ 



Spec. 2. Hydrophilus luridls. Hydrophile luride. '- 



H. Ovali-ovatus , supra griseo-flavescens , gibbus , punctvilatus ; 



iliorace elytris subabrupte angustiore ; capite thoracisque niedio ' 



purpurascenti - nigricanlibus ; elytris slriis punclato-crenatis ; [ 



intervallis vage punctatis ; corpore infra nigricante ; pedibus rufo- ' 

 flavescentibus ; tarsis posticis ciliatis. 



Ilydrophile brun. De Geer. Mem. s. l. Insect. , tom. 4 , p. 078 , I 



pl. l5, fig. 1,2. j 



Hydrophilus liiridus. Fab. Sysfem. eleut. , tom. 1 , p. 25o. 



Hydrophile luride. Olit. Entom. , tom. 3 , n". Sg ,/)/. 1 ,fig' 3. j 

 a. b. c. f. 



Hydrophile luride. Latr. Ilist. nat. des Crust. et des Insect. , ! 

 tom. \o , p. 66. 



Dytiscus luridus. Linn. System. nat. , ed. i3, tom. 1 ,pars2 , \ 



p. 665^ — Faun. Suec. , ed. 1 , n". 767. i 



Panz. Faun. Insect. Germ. , fiasc. 7 , fig. 3. ;" 



Habitat in Europae rivulis , stagnis ; Parisiis frequens , loco 



Petit-Gentilly. 1 



Spec. 5. Hydrophilus lividus. Hydrophile lit^ide. | 



H. Ovalis , parum elevatus , subtihssime punctatus , corpore j 

 supra pedibusque flavescenti-griseis ferrugineisve ; elytris lineis 



aliquot sparsis, e punctis nigricantibus; corpore infra femori- ! 



busque cinereo-nigris. | 



L'Hydrophile fiauve. GeofF' Hist. des Insect,, tom. i , p. i84. 



