132 



LINNEAN SPECIES— continued: 



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

 of the genera composing the family of 



Haliplid^:, Hope. 



Genera. 



Counfry. 



Typical Species. 



1. Haliplus, Latrielle 



England 



Dyt. elevatus, Panzer. 



2. Cnemidotus, Erichson 



Austria 



Dyt. Csesus, Duftschmid. 



( Pselobius, Schon. 

 (Hygrobia, Clairville 

 4. Hyphidrus, Illiger 



England 



Dyt. Hermanni, Linneus. 







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, _Brt&. 



Rio Janeiro 



A. Maculatus, 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 hy 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. 



