Ix NATURAL HISTORY. 



ORDER COLEOPTERA. 



Fam.— DYTISCID^. 

 Gen. 95.*— COLYMBETES. (Clairv.) 



1. Moestus, narrow, ovate, somewhat piceous, legs castaiieous, female very finely 

 shagreened. 



Length tliree lines, breadth one line and a half. 



Antennise yellowish-brown, ochreous at the base, trophi ochreous, palpi black at the 

 apex ; head with two ferruginous spots at the base, and an impressed line and 

 puncture on each side the base of the clypeus ; thorax with an impressed punctured 

 line all round, deepest at the anterior margin, and a large puncture on each side ; 

 elytra very long, slightly convex, piceous and shining, with a violaceous tint in the 

 male, dull greenish and finely shagreened in the female ; the lateral margins obscure 

 ochre, a few punctures are scattered over them, forming two or three indistinct lines ; 

 legs castaneous, underside of thighs and posterior tibise piceous. 



This is the only beetle contained in the collection, and was found in tlie lakes not un- 

 commonly; I believe specimens are also in the cabinets of the Zoological Society, that 

 were brought home by the late Captain Lyon. 



Two large beetles were captured on the 23d of June, 1831, and anotlier on the 14th 

 of July; they were found under stones, but were obliged to be abandoned with other 

 valuable portions of the collections in Natural History. 



ORDER DERM A PTER A. 



Gen. 442.— FORFICULA. {Linn.) 



An earwig was taken on the 23d of June, 1831, "they were scarce," Commander 

 Ross adds, "but several were found under stones." 



* The numbers of the genera refer to Curtis's Guide to an Arrangement of British Insects. 



