Crustacea, 



Artificial (Propagation practicable with Crustacea as 

 with Fish The Common Lobster Laws of Regene- 

 ration The Crawfish Curious (Discoveries relating- 

 to the Young- of these Animals (Phyllosoma Zo'ea 

 ^Metamorphosis among- Crustacea (Praniza and 

 jinceus Larvce of Lobsters The Colouring- JWatter 

 of Lobsters, Crawfish, etc. Composition of a Lobster- 

 shell Shrimps Crang-on vulg-aris >C. boreas, Sa- 

 binea septemcarinata, and other Shrimps (Prawns 

 (Palemon carcinus and (P. jamaicensis Other 

 Species of (Prawns Ijopyrus crang-orum The Iso- 

 poda The Family of Crabs Cancer pag-urus C. 



mosnas (Pinnotheres (Pag-urus " (Diogenes" 



Land-crabs Thelphusa fluviatilis Crabs of the 

 g-enus G-ecarcinus Their wonderful Emigrations 

 I^irgus latro, or the Robber Crab Quantity of fat 

 it produces Concluding- remarks on this Family. 



