132 



LINNEAN SPECIES— continued: 



Sp. 16. Ferrugineus. — Now an Haliplus, and one 

 of the genera composing the family of 



Haliplid^e, Hope. 



Genera. 



Country. 



Typical Species. 



1. 



Haliplus, Latrielle 



England 



Dyt. elevatus, Panzer. 



2. 



Cnenridotus, Erichson 



Austria 



Dyt. Csesus, Dnftschmid. 



3. 



i Paelobius, Schon. 



England 



Dyt. Hermanni, Linneus. 



{Hygrobia, Clairville 

 Hyphidrus, Illiger 







4. 



England 



Dyt. Ovatus, Linneus. 



5. 



Hygrotus, Stephens 



England 



Hyd. Fluviatilis, Leach. 



6. 



Hydroporus, Clairville 



France 



Dyt. 12-pustulatus, Fab. 



7. 



Noterus, Clairville 



Switzerland 



Dyt. Crassicornis, Fab. 



8. 



Laccophilus, Leach 



England 



Dyt. Minutus, Linneus. 



9. 



Hydroporomorpha, Bab. 



Rio Janeiro 



H. parallelus, Babington. 



10. 



Anodocheilus, Bab. 



Rio Janeiro 



A. Maeulatus, Babington. 



11. 



Desmopachrius, Bab. 



Rio Janeiro 



D. Nitidus, Babington. 



The three last genera will appear in the Ento- 

 mological Transactions of London. The types are 

 deposited in the collection of that Society by the 

 liberality of Mr. Charles Darwin of Shrewsbury. 

 In a paper read before the Entomological Society 

 of London (now on the eve of publication), the de- 

 tails will be given at length by Mr. Babington of 

 Cambridge. 



