204 

 FLORA OTTAWAENSIS. 



ADDITIONS MADE SINCE LAST REPORT. 



Ranunculus circinatus, Sibth. Patterson's Oeek, W. Scott. 



Erysimum parviflorum, Nutt Chaudiere, " 



Sisyjubrium Alliaria Scop Beechwood, *' 



Sisy?nbriu7n Sophia, L., Major's Hill, " 



Viola blanda, var. palustriformis, Gr J. M. Macoun. 



Viola rotundifolia, Mx., Moose Creek, . . .John Macnun. 



Floerkea proserpinacoides, Willd., Casselman, . . .John Macoun. 



Claytonia Virginica, L., Dow's Swamp, J. Fletcher. 



•„ r • T r.L T , - I R- B. Whyte. 



Potentilla fruticosa, L., Chats Island, • ) ,< u Cowlfv 



Aster ptarmicoides, T. & G., Chats Island, . . " 



Helianthus divaricatus, L., " . . " 



Prenanthes racemosa, Mx., " . . " 



Pycnanthemum lanceolatum, Pursh, . .CI ats Island, .. " 



Poa csesia. Smith, Rockcliffe, J. Fletcher. 



Aspidium aculeatum, Swartz var. Brnunii, Koch., Chelsea. . " 



:(»:- 



CANADIAN LAND AND FRESH WATER MOLLUSCA. 



A very complete list of the shells of the Ottawa valley was pub 

 lished in the Ottawa Naturalist, Vol. IV, p. 52. A list of the land 

 shells of Vancouver Island was also published in this periodical (Vol. 

 Ill, p. 84 et seq.) and I have in MSS. a list of the fresh water shells of 

 the same district. 



If we add together the numbers of the species named in the above 

 papers we have a total of about 160 species of Canadian mollusca. 



There are a number of species, however, occurring in Canada 

 which do not find a place in either the Ottawa or Vancouver Island 

 lists — -probably some 40 or 50 kinds — and I am trying to compile for 

 publication a catalogue that will include all these. 



I have already in hand a good deal of material for such a compila- 

 tion ; for instance, Mr. Whiteaves's early papers ; a capital list of Ham- 



