oJ 
. Hyolithes decipiens, Matt., Mag. ? 
. Hyolithes gracilior, n. sp. restored, Mag. 7 
. Diplotheca hyattiana, Matt., Mag. + 
PLATE VI. MOLLUSCA. 
. Orthotheca cf Emmonsi, Ford, Nat. size. Example with extremity decol- 
lated. Div. 1, b, 2. Hanford Brook. See p. 129. 
a. Dorsal side ——b. Side view 
showing part of dorsal and of ventral sides ce. Section near mouth 
d. Section near apex. From Div. 1, 5, 2, at Hanford Brook. See 
p. 130. . 
a. Dorsal surface —— b. 
Side view showing angle at lip and curved apex. From Div. 1, d, 3, 
Hanford Brook. See p. 130. 
. Diplotheca acadica, var. crassa Matt., Nat. size. Dorsal aspect shell, flat- 
tened and somewhat abraded showing the lateral edges of phragmated 
space beside the body cavity and a few septa near the apex of the shell. 
From Div. 1, 6, 2, Hanford Brook. See p. 130. 
a. Dorsal aspect; the shell 
abraded and showing septa near the apex, and diaphragms along the 
right side of the tube b. Side view, showing the curved proximate 
end of the tube —— From Diy. 1, }, 3, Hanford Brook. See p. 130. 
. Pelagiella atlantoides, n. gen. Mag. + a. Seen from above —— b. 
View of the aperture c. Lower side of the shell, showing the um- 
bilicus. From Div. 1, ), 2 and 3, Hanford Brook. See p. 131. 
Volborthella tenuis, Schmidt, Mag. 7 a. Distal end showing a septum 
— }. Smaller specimen showing septa. Both from Div. 1, b, 4, 
Belyea’s Landing, King’s County, N. B. See p. 132. 
