Plate 2. 
Fig. 5 b 
Fig. 4. 
Ffo.lb. 
Fig. la 
FiG5a. 
FjG.5c 
Fig.2. 
Fig.3 
CARBONIFEROm BRACHIOPODS. 
l.lB,,lh.Seminulaficoidea,n.sio. 
2. Cleiothyris Uoyssii, L’EveilU (a mutation). 
3. Spirifer aff. clatliratus. McCoy. 3a, 3b, 3c, Spiyifer Usulcatus, Sow. (a mutation). 
4. Froductns aff. Cora, d’Orb. 
To face p. 134. 
