SYLLABUS. 



Argo or Paper Nautilus. Description of the Linnsean 

 genus Nautilus, or Pearly Nautilus. Genera of Den- 

 talium, Serpula, Teredo, and Sabella. Bivalve Shells 

 exemplified. History of the Mytilus margaritiferus 

 or Mother of Pearl Shell, of Pearls, of the Pearl- 

 Fishery, and manufacture of artificial pearls. Genera 

 of Spondylus, Chama, and Pinna. Multivalve Shells 

 exemplified by the genus Lepas or Barnacle. History 

 of the Lepas anatifera, &c. Hatching of shell-ani- 

 mals, and growth of shells. 



LECTURE XII. 



Linnaean Vermes and Zoophytes. The Vermes or Worms 

 elucidated by a description of the genera of Tsenia, 

 Gordius, Filaria, &c. Genus Furia, with the history of 

 the Furia infernalis. Zoophytes or Plant-Animals. 

 Genus Hydra or Polype particularly described. Gene- 

 ral description of the Coral tribe, with the observations 

 of Marsigli, Peyssonel, Ellis, &c. Genera of Sertularia, 

 Tubularia, Flustra, Gorgoriia, Isis, and Madrepora. 

 Formation of coral rocks and islands in the Indian seas 

 by the different species of Madrepoe, &c. Animal- 

 cula Infusoria or Animalcules in fluids, general his- 

 tory of. Description of the genus Vorticella, and of 

 some of the chief species. Genus Cercaria, with the 

 particular description of Cercaria mutabilis. Genus 



