270 Canadian Record of Science. 



Naias flexilis, Eostk. & Schmidt. 



Enderby, B.C., 1889. (Jos. M. Macoun.) Kamloops, B.C. 

 (Jas. .McEvoy.) Kevelstoke, B.C. (John Macoun.) Not 

 before recorded from interior of British Columbia. 



ZOSTEKA LATIFOLIA, MorOllg. 



Z. marina, Macoun, Cat. Can. Plants, Vol. II., p. 90, 

 in part. 



Burrard Inlet, B.C. ; Esquimalt, Vancouver Island, 

 (John Macoun.) 

 Phyllospadix Torreyi, Wats. 



Amongst rocks below half-tide, Stubb's Island, west 

 coast of Vancouver Island, 1893. (W. Spreadborough, 

 Herb. No. 4502.) New to Canada. 



Beckmannia eruc^eformis, Host., var. uniflora, Scrib. 



Sea's Farm, near Victoria, Vancouver Island, 1893. 

 (John Macoun.) Not before recorded west of the Eocky 

 Mountains. Perhaps introduced. 



A Caddis-Fly from the Leda Clays of the 

 Vicinity of Ottawa, Canada. 



By Samuel H. Scudder. 



The few insects that have been hitherto found in the 

 Leda clays or in similar horizons in America have all 

 been Coleoptera. The present specimen, of which a figure 

 is here given, enlarged six diameters, is a caddis-ny, one 

 of the Neuroptera. It was found by Dr. Henry M. Ami, 

 of the Geological Survey of Canada, in the nodules of 

 Green's Creek, near Ottawa, and sent me for examination. 

 It is of a glistening, dark, smoky brown color, with black 

 veins which are followed with some difficulty, especially 

 where two wings overlap. The clearest and most import- 

 ant part of the neuration is in the upper portion of the 



