PLATE VIL 



Stricklaxdixia salterii (i^age 87). 



Figure 1. A large specimen slightly restored. 



Stricklaxdinia Canadensis (page 81). 



Figure "2. An imperfect dorsal valve. 



Stricklaxdinia (undetermined). 



Figure 3. This specimen resembles the Swedish specimens of S. Lirata, 

 " ?,a. This is perhaps a variety of S. Davidsoxii, 



Stricklaxdinia Melissa (page 89). 



Figure 4, Dorsal view. 

 4a. Ventral. 

 4//. Hinse. 



Of the other figures on this plate ba. is a fragment of a ventral valve, from Anticosti, 

 shewing the chamber and two small teeth. 



Figure G. is the " Spirifer ? l.i:vis" of J. de C. Sowerby, referred to (ante p. 81) and 

 cited as P. L.>:vis in my original description. Figure 7 is the hinge of S. Microcamercs 

 McCoy. 



Figure 8, is P. L>t;vis — the jonng of P. Oblongus, (ante p. 81). 



