[100] l. c., pl. IX.
[101] Powers, l. c., fig. 43, opp. p. 426.
[102] l. c., IV, p. 711.
[103] Comp. two of Putnam’s views in pl. VIII.
[104] l. c., p. 256, fig. 112. The one drawn by Peet, l. c., I, p. 282, shows the same object.
[105] Cf. Abbott, l. c., p. 330, fig. 322, from Massachusetts.
[106] Abbott, l. c., pp. 336 and 340.
[107] Fewkes, p. 128, fig. 155.
[108] Rau, Smiths. Contrib., l. c., p. 44, fig. 176.