198 ALBATROSS EXPLORATIONS, INSECTS HOWARD. 



with the types. In the far south they replace our Amarus and resem- 

 ble them greatly, but are easily distinguished by having two impressed 

 punctures on the apical half of the elytra, while the Amaras have none. 

 Agonum gayi Sol., Gay Hist. Cbil., iv. 



Three specimens from Sandy Point of this Chilian species. 



Pristonychus chilensis Gory, Ann. Fr., 1833. 



One specimen from Lota, Chili, of this form considered a variety of 

 the European Pr. complanatus Dej. 

 Tetraodes laevis Blanch., Voy. Pole Snd, 1853. 



Four specimens from Gregory Bay, and two from Sandy Point, of 

 this large, shining, Broscus-like species, which is peculiar to the straits. 



Family DYTISCID.E. 

 Lanc'jtes prsemorsus Er. 



One specimen from Sandy Point of this Chilian species. The genus 

 Lancetes occurs in southern South America and Australia. 



Family SILPHID.E. 

 Necrodes biguttulus Fair'm., Rev. ?Zool., 1859. 



One specimen from Elizabeth Island of this fine species which is pe- 

 culiar to the straits. 



Family ELATERID^. 

 Agriotes magellanicus Blanch., Voy. Pole Snd, 1853. 



One specimen from Sandy Point. 



An Elaterid larva was found at Port Churrnca, and a Lampyrid 

 larva at Latitude Cove, Patagonia. 



Family COCCTNELLID^E. 

 Adalia angulifera Mills. 



One specimen, Tome, Chili. 



Family LUCANID^E. 

 Sclerognathus femoralis Guc'r., Rev. Zool., 1839. 



Fourteen specimens from Sanily Point of this interesting Dorcus 

 form, which also occurs in Chili. 



Family SCARAB.EID^E. 

 Macrosoma giaciale Fab. 



One specimen of this species, peculiar to the straits, from Sandy Point. 

 Maypa viridis Sol., Gay. Hist. Chil. 



Six specimens from Sandy Point of this brilliant Chilian species. At 

 Gregory Bay was found a specimen of a Rutelinid which can not safely 

 be identified without comparison. 



Also three Lamellicorn larvae from Sandy Point. 



