INSECTS. COLEOPTERA. 46. Dytifcus. 423 



Cordiger. Black ; fhells and edge of the thorax ferruginons, the for- 

 mer with a common heart-fhaped fpot. 

 • Inhabits Berlin. Herbjl. Arch. 5. p. 122. tab. 28. fig. A. a. b. 



Rufus. Rufous : fhells very fmooth darker, the outer edge whitifh, 

 2-toothed before. 

 Inhabits Italy. Scopol. Ent. Cam, n. 298. 



Obfcurus JLivid ; abdomen black : fhells gloffy with crowded dots. 

 Inhabits Denmark. Mull. Zool. Dan. p. 69. n. 657. 

 Is probably no more than a variety of H. Luridus 



Pujil/us. Black ; fhells very fmooth: antennae and tarfi brown. 

 Inhabits Denmark. Mull. Zool. Dan. p. 69. n. 658. 



Pilula. Black ; above polilhed with crowded dots. 



Inhabits Europe. Mull. Zool. Dan. p. 69. n. 659. 



Niger. Glohy-black : fhells finely ftriate withdiftant dots : antennae 

 and ends of the legs ferruginous. 

 Inhabits Europe. Muf. Lefk. p, 35. n. 769. 



Ater. Black glabrous : antennas and fhanks reddifh. 



Inhabits Europe. Muf. Lesk, p. 35. n. 774. 



46. DYTISCUS. Antennce fetaceous : fee- 

 lers 6, filiform : kind-legs formmed for 

 fwimming, fringed on the inner fide, 

 and nearly unarmed with claws. 



*LatiJfimw Black : margin of the fhells dilated, with a yellow line. 

 Inhabits Europe. Scbaff. Icon. tab. 277. Jig. I. 2. 

 The male is glabrous, the female grooved. 



Cofialis. Black : band on the head, edge of the thorax and coftal 

 flreak on the fhells ferruginous. 



Inhabits Surinam. 



Head black with a ferruginous band above the mouth and an 

 impreffed dot each fide : thorax glabrous, black edged with 

 ferruginous : jliells glabrous, with 3 remote pun&ured flriae. 



In the female the fhells are femisftriate and the ferruginous co- 

 lour much more obfeurc. 



Margma. gj ac ^ . e dg e r0 und the thorax and outer margin at the fhells 

 yellow. 



Inhabits Europe. Donovans Eng. Ins. v. plate. 161. 

 The fore-feet of the mah have an hemifphaerical appendage with 

 2 circular cavities in the middle j the female is femisftriate. 



Roefeliz. 



