286 
BULLETIN OF THE NATURAL HISTORY SOCIETY. 
Fig. 2 
Fig. 3 
Fig. 4. 
Fig. 5, 
Fig. 6. 
Fig. 7. 
laterals 1 v. the heart shaped (lozenge shaped) depression ; 
— h Enlargement of the outer surface, mag. 2 T ° ; — i 
Sculpture of the second layer of the shell, mag. 2 j°. All 
from Div. 3 6 Escasonie, Cape Breton, N. S. 
Lingulella concinna, n. sp. — a The ventral valve; — 6 In' 
terior of the same, mag. f. Div. 3c McLeod Brook, Bois- 
dale (C. B.), N. S. 
Lingula (?) lens , n. sp. — a Ventral valve; — b Interior o^ 
same ; — c Longitudinal section ; — d Dorsal valve ; — e 
Interior of same; — /Longitudinal section; all mag. f ; 
— g Sculpture at the margin of the valve, mag. \ ; — h 
Surface at the middle of the valve, mag. All from 
Div. 3 a Escasonie (C. B.), N. S. 
Schizambon prisons , n. sp. — a Interior of the ventral valvej 
- — b Longitudinal section ; — c Interior of the dorsal valve; 
— d Longitudinal section ; all mag. f, and from Div. 3c 
McLeod Brook, Boisdale, (C. B.), N. S. 
Acrotreta bisecta , n. sp. — a Ventral valve, side view ; — b 
Mould of interior of this valve ; — c Mould seen from 
above; — d Dorsal valve; — e Mould of the interior of the 
same seen from behind ; — -f Same seen from the side • 
— g Same seen from above ; all mag. and from Div. 3c 
McLeod Brook, Boisdale, (C. B.), N. S. 
Parabolina Dawsuni , n. sp. — a Middle piece of the head, 
shield ; — b Movable cheek : — c An anterior joint of the 
thorax ; — d A pleura from the middle of the thorax ; 
— e Hypostome of a young individual ; f — Pygidium ; all 
mag. ~, and from Div. 36 Escasonie, (C. B.), N. S. 
Splicer ophthalmus Fletcheri, n. sp. — a Middle piece of the 
head-shield; — 6 Same seen from the front; — c Same seen 
from the side; — d Movable cheek ; all mag. — e Ilypos- 
tome ; — -f Pygidium ; both mag. f. All from Div. 36 
Escasonie, (C. B.), N. S. 
Agnostus trisecius , mut ponepunctus. n. mut. — a Head- 
shield ; —6 A joint of the thorax ; — c Pygidium ; all 
mag. |, and from Div. 36 Escasonie, (C. B.), N. S. 
Fig. 8. 
