AppfiNDix 1. 47 r 



£^roalest diameter. Tlu^ I/hrnus from Ihis localily is too imper- 

 fect for the speeies to bo ideiititied witli mueli certainty, ))ut if 

 not actually identical with I. latidorsatus, it appears to be very 

 closely allied to it. 



2. From Limestone Eapids 100 Miles up the Nelson Kiver. 

 Leptcena sericea, Sowerby. Not uncommon. 



Strophoinenatenuistnota,lhi\\. One specimen. According to Davidson, 

 S. te7iuistriata, Hall, is merely a variety of S. rhomboidalis, 

 AVilckiDs. 



Sfrophomena filitexta, Hall. Several detached valves. 



Strophomena subtenfa, Conrad. A single valve. 



Rhynchonella Anticosfiensis ? Billings. Two imperfect, badly preserved 

 and small examples of a species of RhynchonelhL api)arently 

 identical with some larger and more perfect casts from the 

 south-west shores of Lake Winnipeg, in the collection of the 

 Survey, which have been identified by the writer with the B. 

 Anticostiensis. 



Alurchisotiia belUcincta, Hall. (z=zM. major, Hall.) A single large cast, 

 which corresponds fairly well with the figures and descrijjtion 

 of this species. 



Asaphus megistos? Locke. A cast of the pygidium only. 



3. From " First Birch Brook," Nelson River. 

 Strophomena alternata, Conrad. One valve. 

 Eccidiomphalus, Nov. sp. A single specimen. 



4. From the Second and Third Limestone Rapids of the Nelson 



River. 



Heceptaculites Oweni, Hall. Several fragments. 



Halysites catenularia, Linnrcus. According to Dr. Bell this well-known 

 species is quite common at this locality. 



Eridophyltum, Nov. sp. A single fragment. The same species was 

 collected by Dr. Boll at Fort Churchill, but in loose pieces of 

 rock, and there is a fine specimen of it in the Museum of the 

 .Survey, from Stone Fort, Manitoba. 



