278 CRUSTACEA, ECHINODERMS, ETC. 



changes to those of the larvae of Lepas. Our readers 

 will remember the Lepas as that which is usually 

 attached in thick clusters to old wreck and drift 

 wood These are difficult to keep in aquaria, 

 perhaps on account of their open-sea habits. Mr. 

 Lloyd, however, managed to keep some alive at the 

 Crystal Palace for nearly six months on a floating 



Fig. 210. 



Larva of Lepas Auslralis in its last stage of development, a. Antennae, 

 with sucking disks, b. Carapace, c. Natatory legs. 



bottle, found at Bridport. This species usually goes 

 by the common name of the " goose barnacle," from 

 a very old notion (prevalent even among naturalists 

 two hundred and fifty years ago), that from the shells 

 the goose called the "barnacle" was produced. It 

 was further believed to be borne by a peculiar kind 

 of marine shrub, which was called the "goose tree" 



