174 Thk Ottawa Naturalist. 



company and was successful in finding several species that had escape 

 his notice. 



The result of our joint collections was published in the "Nautilus " 

 for December 1893 (Vol. VII. p. 85.) Nineteen species (14 land and 

 5 freshwater) are enumerated in that paper and two other land shells 

 should also have been included viz. Pupa simplex and Vertigo ovata of 

 both of which species Mr. Bean had taken specimens. 



During the past three summers (1892-3-4) Mr, A. O. Wheeler. D.L.S. 

 (now of the Canadian Topographical Survey, Ottawa) has been 

 surveying in different parts of the district. While in the field he has 

 always, most kindly, kept a sharp lookout for shells, and at the close of 

 each season has very liberally sent his collections to me. As a result 

 chiefly of Mr. Wheeler's industry and success as a collector I am now 

 able to present a list of 44 species of land and freshwater shells 

 inhabiting this little known part of the Dominion. 



The first of Mr. Wheeler's collections was made in the summer of 

 1892. Shells were obtained in the Battle River at a point where the 

 Calgary and Edmonton trail touches the river, about 60 miles south of 

 the last n'amed town. From this locality came five (5) specimens of 

 Anodonta lacus/ris, two of Matgaritana complanata, one of Unto luteolus 

 and two of the large heavy form which in Canada goes by the name of 

 Unio aubovatus ; also, three valves of Pisidium abditum and a single 

 valve of a Sphaerium which Mr. R. W. Roper Ins pronounced to be 

 probably S. fabah. 



A few shells were also collected in a creek and a slough both near 

 Kgg Lake, twelve miles south of Victoria (a Hudson Bay Post) on the 

 Saskatchewan River. In the creek were obtained Planorbis trivolvis 

 and Limncea stagnalis ; and in the dried up slough Segmentina 

 armigera (one specimen,) Limncea palustris, Sphaeriuui solidulum (four 

 valves only) and twelve specimens of a Succinea which 1 think must be 

 S. Grosvenori. 



Mr. Wheeler's next collection was a much larger one made 

 in 1893 while he was surveying 30 or 35 miles east of Red Deer on 

 the Calgary and Edmonton Railway. Among the land shells, which 

 were mostly collected in dried-up sloughs, were numerous specimens of 



