VoL. 2] Ritter —The Pelagic Tunicata. 103 
Browne, P. 
1756. The Civil and Natural History of Jamaica. p. 384, Tab. 43, 
figs. 3 and 4. First recognizable description of a Salpa. 
From the deseription of the ‘‘crest,’’ the intestine, and the 
size of the zooid, there can be little doubt that the author 
was dealing with a Cyclosalpa. 
Bronn, H. G. 
1862. Mantelthiere: Tunieata Lmk. Die Klassen u. Ordnungen des 
Thierreichs. Bd. III, Abth. 1, pp. 103-223. Family Dolio- 
lidae in tabular arrangement, p. 216. 
Chamesso, Adelbert de. 
1819. De animalibus quibusdam e classe vermium Linnaeana in eir- 
cumnavigatione terrae auspicante Comite U. Romanzoff duce 
Ottone de Kotzebue, Annis 1815, 1816, 1817, 1818 peracta. 
Fasciculus primus. De Salpa. Berolini. pp. 1-24. 
New species Salpa affinis (both generations) ; S. runcinata (soli- 
tary generation; S. pinnata, well figured, and several other 
forms described and figured, most of which cannot be identi- 
fied with certainty. Alternation of generations in the genus 
first recognized here. ‘‘Species Salparum sub duplici con- 
spiciunter forma, prole per totum vitae cursum parenti dis- 
simili, stirpem autem huic similem generante, ita ut quaeli- 
bet Salpa matri aeque ac filiabus dispar, aviae, neptibus 
et sororibus par sit.’’ 
Cuvier, G. 
1804. Mémoire sur les Thalides et sur les Biphores. Annales du Mu- 
séum d’Histoire naturelle, T. IV, p. 360. Fullest account 
of the anatomy up to this time; relationship to ascidians 
recognized; six species described and well figured: S. Tilesii, 
S. scutigera, S. cylindrica, S. fusiformis, S. cristata and S. 
octofora, of which the first four still remain as good species. 
1817. Mémoires pour servir a l’histoire et 1’anatomie des Mollusques. 
Mémoire sur les Thalides (Thalia. Brown), et sur les Biphores. 
(Salpa. Forskaohl), 22 pp., 1 pl. A reprint of the 1804 
memoir. 
Delage, Yves et Edgard Hérouard. 
1898. Trataité de Zodlogie Coneréte. T. VIII, les Procordés. Thalia- 
cea, pp. 174-227. Many good figures of adult and develop- 
ing structure. 
Fal, H. . 
1876. Ueber die Schleimdriise oder den Endostyl der Tunicaten. 
Morph. Jahrb., Bd. I, pp. 222-242. The nutritive function 
of the lateral buds of Doliolum first pointed out. 
