PLATE XI. 



FIG 1. Paradoxidoid trilobile. Fragment of the glabella ; b Part of movable cheek ; 

 c Pygidium ; d A posterior pleura ; e Ring of the thorax. All natural size. 

 From Assise E. 2 (a ?) Young point, George river, N. S. See p. 176. 



FIG. 2. Solenopleura Brctonensis n sp. a Middle piece of the head ; b Supposed 

 movable cheek ; c A pleura. All Mag. f . From Assise E. 3. /. The head 

 from Gillis-Indian brook, the cheek and pleura fromDugald brook, Escasonie, 

 N. S. See p. 176. 



FIG. 3. Eunjpteroid crustacean? Carapace abraded in front. Mag. f. From Assise 

 E. 3 f. Gillis-Indian brook, Escasonie. N. S. See p. 177. 



FIG. 'i.Monobolina rcfulgensa Interior of ventral valve Legend a 1 Pedicle 

 groove b 1 Anterior adductor c 1 Traces of vascular trunks d 1 Lateral 

 septum e 1 Mesian scar. Mag j. b. Interior of dorsal valve Legend 

 a 1 Cardinal line b 1 Posterior adductor c 1 Anterior adductor d l Lateral 

 septum c 1 Place of anterior lateral f 1 medium septum. Mag. \. From Navy 

 island, St. John, N. B. Band C. 3 c. (See also PI. xvi, fig. 2.) See p. 210. 



FIG. 5. Acrotrcta bisecta a Ventral valve, side view b, Mould of interior of this valve 

 c, Mould seen from above d, Dorsal valve e, Mould of interior of same, 

 seen from behind/, Same seen from the side g, Same seen from above. All 

 Mag. f . From Band C. 3c, McLeod brook, Boisdale, N. S. See p. 186. 



FIG. 6. Schizambon pnscus ; a Interior of ventral valve ; b Longitudinal section ; 

 c Interior of the dorsal valve ; d Longitudinal section. All Mag. f . From 

 Band C 3c. McLeod brook, Boisdale, N. S. See p. 187. 



Leptobolus flumenis, n sp ; a Ventral valve ; 6 Mould of interior of same ; 

 c Longitudinal section of same; c? Dorsal valve ; e Mould of interior of 

 same ; / Longitudinal section of same ; Band C 2. e McNeill brook, Mira 

 river N. S. See p. 189. 



