PLATE VII. 



FiG. 1. Lmgulella Schvym. a, mould of interior of ventral valve. b. mould of interior 

 of dorsal valve. Both Mag. f c. Visceral and lateral areas, Mag. f to show 

 the muscle scars, vascular trunks, and hinge area. From Assise E. 2 (a ?) at 

 Young point, George river, N. S. See p. 116. 



FIG. 2. Lingulclla cf. longovalis. Dorsal valve, umbo broken, Mag. f. From the Cold- 

 brook terrane at Dugald brook, Escasonie, N. S. See p. 75. 



FIG. 3. Linguldla longovalis, n sp a, Ventral valve, partly exfoliated. b. The same 

 valve, mould of. c, dorsal valve. d. mould of the dorsal. e. section of the 

 two valves. All Mag. J. f. A portion of the surface of the shell Mag. ^ to 

 show the sculpture. All from Assise E. 1 c. Dugald brook, Escasonie N. S. 

 Seep. 123. 



FIG. 4. Obolus lens, var. longus, n. var. a, Ventral valve mostly exfoliated b. Dorsal 

 valve. Both Mag. f. From Assise E. 3 e. Dugald brook, Escasonie, N. S. 

 Seep. 146. 



FIG. 5. Lingulepis pumila n sp. a, Ventral valve. Mag. f b, Dorsal valve mag. f. 

 Both from the Coldbrook terrane, Dugald brook, Escasonie, N. S. Seep. 75. 



FIG . 6. Lingulepis longinervis, n sp. a Ventral valve b. Mould of the same. Both 

 mag. f c, Cardinal area of this valve. Mag. f, d, Longitudinal section of 

 this valve e, Dorsal valve partly exfoliated. Both mag. \ /. Interior of a 

 small dorsal Mag. f g. Longitudinal section of the same. All from Assise 

 E. 2 b. Dugald brook, Escasonie, N. S. See p. 133. 



