372 APPENDIX. 



Fam. v. Surirellece. 



Synedra affinis m. Shores of Vancouver Island. 

 Cymatopleura solea. Columbia Eiver ; Pend'Oreille River. 



elliptica. Columbia River. 

 Surirella biseriata. Columbia River. 



- splendida. Columbia River. 



- gemma m. Vancouver Island. 

 Campylodiscus costatus. Columbia River. 



parrulus m. Vancouver Island. 



- striatus m. Vancouver Island. 



Fam. vi. Striatellece. 



Rhabdonema arcuatum m. Shores of Vancouver Island, and at 8 fathoms. 



Tabellaria fenestrata. Spokan River. 



Grammatophora marina m. Shores of Vancouver Island. 



mexicana m. Shores of Vancouver Island. 



serpentina in. Shores of Vancouver Island. 



serpentina (var. /3). Smith m. Vancouver Island. 

 Gephyria media m. Vancouver Island. 



Eupleuria pulchella m. Vancouver Island. 



Fam. vii. Melosirece. 



Cyclotella Dallasiana. Columbia River. 



operculata. Tributary of Kootenay River. 

 Hyalodiscus Isevis m. Vancouver Island. 



subtilis m. Shores of Vancouver Island. 



Podosira hormoides m. Shores of Vancouver Island, and at 8 fathoms. 

 Melosira orichalcea. Columbia River ; Pend'Oreille River ; Lake 

 Osoyoos. 



- marina m. Vancouver Island. 



nummuloides m. Vancouver Island. 



varians. Pend'Oreille River ; Cow Creek ; Spokan River. 



- subflexilis. Columbia River. 



Fam. viii. Coxinodiscece. 



Coxinorliscus radiatus in. Shores of Vancouver Island. 



ovulus iridis m. Vancouver Island. 



