BRACHIOPODA. 

 Terebratula dorsata. SMKLTN. 



Pig. 26. View of a dorsal valve. Page 24 



a. Crura of the loop. 



b. Loop. 



c. Septum. 



Fig. 22. Magnified section of shell of Terebratula. Page 24 



Waldheimia australis. KINO. 



Fig. 6. View of dorsal valve. Page 24 



b. Loop. 



1. Reflected portion of loop, 

 m. Abductor, 

 p. Hinge plate. 

 s. Septum. 



Waldheimia australis. KING. 



Fig. 25. View of ventral valve. Pages 23 and 24 



a. Single abductor impression. 



b. Foramen. 



c. Deltidium. 



d. Teeth. 



r. Cardinal muscles. 



v. Portion of the vent. 



z. Attachment of pedicle sheath. 



Spirifera striata. 



Fig. 7. View of dorsal valve showing spiral cones. Page 24 



