68 ANATOMY AND PHYSIOLOGY OF SALPA AND PYROSOMA 



In order to avoid the necessity of incessant references to the text, a 

 hst of the works consulted and alluded to, is here subjoined in chrono- 

 logical order. 



Salpa. — Forskahl. Descriptiones Animalium, 1775. 

 Browne. Natural History of Jamaica, 1785. 

 Cuvier. Memoires du Museum, 1804. 

 Savigny. Memoires sur les Animaux sans Vertebres, 1816. 

 Quoy and Gaimard. Freycinet's Voyage, 1817-20. 

 Chamisso. De Animalibus quibusdam e classe Vermium Linnjeana. Fasc. i. 



1819. 

 Chamisso. Fasciculus secundus, Nova Acta Acad. Nat. Cur. torn. x. 1S21. 

 Kuhl and Von Hasselt. Annales des Sciences Naturelles, t. iii. 1824. 

 Eschscholtz. Isis, 1824. 



Quoy and Gaimard. D'Urville's Voyage, 1S26-29. 

 Meyen. Beitrage zur Zoologie, Nova Acta Nat. Cur. t. xvi. 1832. 

 Milne-Edwards. Annales des Sciences Naturelles, 1S40. 

 Krohn. Ueber die Mannlichen Zeugungs Organe der Ascidien u. Salpen, 



Froriep's Notizen, 1841. 

 Eschricht. Isis, 1843-44. 

 Sars. Fauna Littoralis Norvegire, 1846. 



Steenstrup. Ueber das Vorkommen d'Hermaphrodismus, 1846. 

 Krohn. Annales des Sciences Naturelles, 1846. 



The Ascidians in General. — Lister. Philosophical Transactions, 1834. 

 Milne-Edwards. Sur les Ascidies composees, 1841. 

 Van Beneden. Memoires de I'Academie Royale de Bruxelles, t. xx. 

 Forbes and Goodsir. Edinburgh New Philosophical Journal, 1841. 

 Rupert Jones. Art. Tunuata, Cyclopcedia of Anatomy and Physiology. 



Pyrosoma. — Peron. Annales du Museum, 1804. 

 Lesueur. Journal de Physique, 1815. 

 Savigny. Op. cit. 



Milne-Edwards. Comptes Rendus, 1840. 

 Milne-Edwards. Annales des Sciences, t. xiii. 



[The explanation of the three plates accompanying this paper is given at the end of the next 

 following paper, which was published with it in the Phil. Trans, for 1851. — Eds.] 



