100 DESCRIPTION OF GEORYSSIDES AND PARNIDES, 



race lineis lateralibus carente, ad marginem anteriorem 

 testaceo ; elytris maculis 8 elongatis testaceis, obsolete 

 striatis. 

 Long O-ll. 



Pai'amatla River ; on submerged branches and under stones. 

 December — March. 

 Each elytron is covered with minute punctures, and has two 

 testaceous spots near the shoulder and two near the base, the 

 inner spots being of an elongated form. 



Elmis metallicus. 

 ^neus ; thorace punctato, ad medium transverse depresso, 



sulcis lateralibus dimidiatis ; elytris punctato-striatis. 

 Long 0-07. 



The Murray River. Dr. HoivlU. 

 This species is very distinct from all the other Australian 

 Elmides with which I am acquainted. It resembles a Spanish 

 species of which I have a specimen unnamed. There are eight 

 punctate striae on each elytron. 



Sect. 2. 

 With lateral ridges on thorax and elytra, 

 Elmis politus. 

 Niger politus ; antennis gracilibus ; thorace linea media im- 

 presso ; sulcis lateralibus obsoletis ; elyti'is punctis minutis 

 in 3 Hneis dispositis. 

 Long. 0-05. 



The Parramatta River (March), under stones in shallow water. 

 The polished elytra of clean specimens are a contrast to the 

 usual state in which most of the Elmides are found. 



Elmis montands. 

 Niger ; antennis gracilibus ; thorace ad medium longitudi- 



naliter depresso ; elytrorum disco punctis magnis in 3 



lineis dispositis notato. 

 Long. 0"OG poll. 

 Illawarra. W. MacLeay, Esq. Under stones in a stream on 



the side of Mount Kembla, 



