CONTENTS. 



INTRODUCTORY— Page. 



Tertiary insects of British Columbia arranged into systematic 



groups 93 



Number of species in the respective groups 93 



Names of known British Columbia species 94 



Geographical distribution of Tertiary Insects throughout the 



world 96 



Ancient climatic conditions of Similkameen River region deduced 



from entomological fossils found there 96 



Oligocene age of Similkameen River region determined 96 



DESCRIPTION OF SPECIMENS EXAMINED, Etc.— 



Orthopteba 97 



Acridioidne 97 



Acridioiea 97 



COLEOPTEKA 98 



Carabidw 98 



Nebria paleomelas, Scudder. (Nicola river) 98 



ElateridtB 98 



Cryptohypnus 1 terrestris, Scudder. (Nicola river) 98 



Limonius impunctus, Scudder (Similkameen) 98 



Elaterites, sp., Scudder. (Similkamen) 98 



Elaterido), Scudder. (Nicola river) 98 



Elater (undetermined). Lam be. (Tulameen river) 98 



Buprestidw 98 



Buprestis sepulta, Scudder. (Nicola river) 98 



Buprestis saxigena, Scudder. (Nicola river) 98 



Buprestis tertiaria, Scudder. (Nicola river) 98 



Hydrophilidw 98 



Cercyoni terrigena, Scudder. (Nicola river) 98 



NitiduUdw 98 



Prometopia depilis, Scudder. (Quesnel) 98 



Tenebrionidce 98 



Tenebrio primigenius, Scudder. (Ninemile creek) 98 



Chrysomeridce 98 



Cryptocephalus punctatus, Scudder. (Similkameen) 98 



Galeruqfilla picea, Scudder. (Ninemile creek) 98 



Microrhopala, sp., Chagnon. (Vancouver island) 98 



Scarabaeidw 99 



Trox oustaleti, Scudder. (Ninemile creek) 9i9 



(a) Undefined specimens, Lambe. (Tulameen river) 99 



(b) " " " " " 99 



(q) " " " (Horsefly mine) 99 



Hymenoptbea 99 



Ichneumonidw (Pimplaria) 99 



Xylonomus lambei, Handlirsoh. (Tranquille river) 99 



Pimpla saxea, Scudder. (Quesnel) lOO 



Pimpla senecta, Scudder. (Quesnel) 100 



Pimpla decessa, Scudder. (Quesnel) 100 



