Note 176 — Chapter VIII
Reading edition
Gentil and Freydenberg, Bull. Soc. Geol. Fr., 4th Ser., VIII., 1908, p. 35; Lacoin, C. Rd. Ac. Sc., 22 June, 1903.
Reading edition
Gentil and Freydenberg, Bull. Soc. Geol. Fr., 4th Ser., VIII., 1908, p. 35; Lacoin, C. Rd. Ac. Sc., 22 June, 1903.