20 THE STOCK. 



commoner Tops ; the Pm'ple ; the Murex ; the 

 Chitons ; the Bullas ; the Scallops ; the Mussel ; 

 the Modioles ; the Anomia ; the Oyster ; and some 

 of the sand-burrowing bivalves, as Venus, Mactra, 

 Pullastra, &c. Gastrochcena and Saxicava, bur- 

 rowers in stone, may be readily kept, and are very 

 interesting, especially the former, which I have 

 had in confinement for many months, in more than 

 a single instance, and still possess. 



CiRRiPEDES. — The Acorn-barnacles [Balanus 

 and ChtJiamalus) , and the interesting little P?/r^o??2a, 

 which is invariably found cemented to the plates of 

 our larger Madrepore. 



Crustacea. — The Strawberry Crab, the Swim- 

 ming Crabs, the Shore Crab, the Ehalia, the Masked 

 Crab, the Soldier Crabs, the Broad-clawed Crab, 

 the Shrimps, the true Prawns, the Athanas ; many 

 of the Entomostraca, 



Annelides.— The Gold-comb ; the Sabellas ; 

 the Serpulas ; the Sea Leech ; the Long Worm ; 

 the Terebellas. 



Zoophytes. — Many species of Sea Anemone, 

 (except the Thick-horn, Bunodes crassicornis, which 

 is precarious) ; both species of Madrepore. 



The following are interesting, and may be 

 preserved for a considerable time, but are rather 

 more uncertain. Among Fishes, the Sea-scorpion 

 (CoUus) ; the 15-spined Stickleback ; the Butterfly 

 Blenny ; the Suckers ; the Pipe-fishes. Among 

 MoLLUSCA, all the Nudibranch, and most of the 

 Tectibranch species ; the Nattcce, the Cowry, the 

 Whelk ; the little Rissoce ; the Phasiaiiella ; the 

 Cup-and- Saucer [Calyptrcea) ; the lovely little 

 Acmea ; many Bivalves ; the CynthicB, and Ascidice. 

 Among Crustacea, the Pisa ; the Portuni ; small 



