Insects. 5443 



3. Sub-fam. Hydroporince. 



9. Hydroporus, Clairv. 



H. inaequalis, Fabr., Steph. H. reticulatus, Steph. Occasional ; 

 ditches at Chark. 



H. decoratus, Gyll., Sleph. Not common ; ditches at Grange and 

 at Chark. 



H. 12-pustulatus, Fabr. H. 12-punctatus, Steph. Rare; ditches 

 at Chark. 



H. parallelogrammus, Ahr. H. consobrinus, H. lineatus, Steph. 

 Not scarce; ditches near Portsea Salterns. 



H. confluens, Fabr., Steph. Not common ; ditches at Grange. 



H. erythrocephalus, Finn., Steph. Common ; ditches at Chark. 



H. planus, Fabr. H. ater, H. holosericeus, IT. pubescens, Steph. 

 Tolerably abundant; ditches at Grange and at Chark. 



H. pubescens, Gyll. H. melanocephalus, H. caliginosus, Steph., 

 H. planus, Steph. Illustr, Rather common ; ditches at Grange and 

 at Chark. 



H. xanthopus, Steph. H. flavipes, Steph., H. planus, Steph. Man. 

 In some abundance ; ditches about Grange. 



H. palustris, Linn., Steph. H. 6-pustulatus, H. proximus, Steph. 

 Common ; ditches at Chark. 



H. lineatus, Fabr. H. pygmaeus, H. ovalis, Steph. Not common ; 

 ditches at Chark. 



H. lepidus, Oliv. H. scitulus, Steph. Not rare ; ditches at Chark. 



4. Sub-fam. Haliplince. 



10. Haliplus, Latr. 



H. mucronatus, Steph. A single specimen taken by one of the 

 authors in a ditch at Chark Common, in September, 1856. 



H. affinis, Steph. Not abundant; ditches at Grange. 



H. ruflcollis, Deg., Steph. Illustr. H. fulvicollis, H. melanocepha- 

 lus, H. brevis, Sleph. Not unfrequent ; ditches at Grange. 



H. fluviatilis, Aube. Occasional ; ditches at Grange. 



H. obliquus, Fabr., Steph. Not very common ; ditches at Grange. 



H. lineatocollis, Marsh., Steph. Rather common ; ditches at Chark. 



11. Cnemidotus, ///. 



C. caesus, Duffs., Steph. Rare ; ditches at Chark. 



