Note 531 — Chapter XI · THE LOGARITHMIC SPIRAL (continued 2)
Reading edition
The case of Terebratula or of Gryphaea would be closely analogous, if the smaller valve were less closely connected and co-articulated with the larger.
Reading edition
The case of Terebratula or of Gryphaea would be closely analogous, if the smaller valve were less closely connected and co-articulated with the larger.