CD asks if he may have the use of the cirripedes JS collected in Portugal. He will need to break up or make a section of at least one of each species.
Expresses admiration for JS’s paper on Malta ["On recent depressions in the land", Q. J. Geol. Soc. Lond. 3 (1847): 234–40], with its striking demonstration of the change of level between land and water there discovered.