oo Elenitrata, 29 
Dytüscus piceus, antennis perfoliatis, corpore laevi, 
sterno carinato, postice spinoso. Linn, Syst. natur. 
2. 664. 1. Faun, Suec, 764. 
In piscinis. 
87. H, cavaboides, niger nitidus, elytris sub. 
)sbriatis. Fabr. Entom. system. jy. 195. 4. Syst, En- 
tom. 999. 9. Spec, Ínsect 1. 299, 5. Mant, Lasector, 
1188456 | | 
Dytiscus caraboides, antennis s yerfalíatis; corpore 
glabro, striis aliquot recurvis, Linn, Syst, natur, 9, 
664. 2,  Faun. Suec. 765. 
In aquis. 
89. H. scavabaeoides, miger, elytris striatis, 
pedibus piceis, Fabr. Entom. system. 1. 184. 8. 
Sysi. Entoim, 290. 4... Spec. Insect.,z. 289. 5. Mant, 
Insect. 1. 188. 5. 
 Dytiscus scarabaeoides, ovalis, convexus ater lae- 
vissimus, antennis filiformibus trarticulatis. Linn, 
Syst. natur. 9. 664. 5. 
' Scarabaeus aquaticus, muticus p'ceus, etytris stria» 
tis, antennis flavescentibus filiformibus, Linn, Syst. 
natur, edit, I0, num, 56. 
In aquis. " 
4 
qu a XVL Dwytiscus. 
Charact,. gen. primar. Palpi.sex, filiformes, ' La- 
bium corneum ; truncatum 5 integrum, . Antennae 
setaceae, 
- 
, Cha- | 
