Note 602 — Chapter XVI
Reading edition
Procœlian, concave before: amphicœlian, concave at both ends platycœlian, flat in front and concave behind.
[603] See Quart. Geol. Journ. vol. v. p. 380, pl. x.
Reading edition
Procœlian, concave before: amphicœlian, concave at both ends platycœlian, flat in front and concave behind.
[603] See Quart. Geol. Journ. vol. v. p. 380, pl. x.