Note 13 — Chapter V · ON THE OLDER TERTIARY FORMATIONS OF PATAGONIA AND CHILE.
Reading edition
It may be worth while to mention that the shells living at the present day on this eastern side of South America, in lat. 40°, have perhaps a more tropical character than those in corresponding latitudes on the shores of Europe: for at Bahia Blanca and S. Blas, there are two fine species of Voluta and four of Oliva.