PLATE VIII. OstracopDA (& PHYLLOPODA ?). 
. Primitia aurora, Matt. Mag. + —— a. Left valve, side view. —— Db. 
“horizontal section. —— c. vertical section. From Div. 1, b, 1, Hanford 
Brook. See p. 136. 
. Primitia oculata, nu. sp. Mag. $ a. Left valve, side view. b. 
Two valves from above. From Div. 1, 6, 3, Hanford Brook. See p. 136. 
. Primitia (?) fusiformis, n. sp. Mag. + a. Right (?) valve —— b. 
Horizontal section. From Div. 1, 0, 3, Hanford Brook. See p. 137. 
. Leperditia (?) minor, n. sp. Mag. $ a. Left valve b vertical 
section. From Div. 1, b, 3, Hanford Brook. See p. 138. 
. Leperditia (2?) ventricosa, Matt. Nat. size a. Interior of right (?) 
valve b. Longitudinal section c. Vertical section d. 
Surface enlarged to show the sculpture. From Div. 1, 6, 1, Hanford 
Brook. See p. 137. 
. Leperditia (2) primeva, n. sp. Mag. + a. Left valve 
section. Div. 1, b, 3, Hanford Brook. See p. 138. 
. Leperditia (2) Steadi, Matt. Nat. Size a. Right (?) valve b. 
Horizontal section c. Vertical section. From Div. 1, 0, 1, Han- 
ford Brook. See p. 137. 
b. Vertical 
3. Lepiditta sigillata, Matt. Mag. +. Right valve. From Diy. 1, b, 3, Han- 
ford Brook. See p. 138. 
