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1899. A Contribution to the Knowledge of the Tunicates of the Pribilof Islands. 



The Fur Seals and Fur Seal Islands of the North Pacific, Pt. 3, pp. 

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1900. Some Ascidians from Puget Sound, Collections of 1896. Ann. New York 



Acad. Sci., vol. 12, No. 14, pp. 589-616. 



1901. Papers from the Harriman Alaska Expedition, XIII, The Ascidians. 



Proc. Washington Acad. Sci., vol. 3, pp. 225-266. 

 1907. The Ascidians Collected by the United States Fisheries Bureau Steamer 



Albatross on the Coast of California during the Summer of 1904. Univ. 



Cal. Publ. Zool., vol. 4, No. 1, pp. 1-52, pis. 1-3. 

 1909. Halocynthia Johnsoni n. sp. A Comprehensive Inquiry as to the Extent 



of Law and Order that Prevails in a Single Animal Species. Univ. 



Cal. Publ. Zool., vol. 6, No. 4, pp. 65-114, pis. 7-14. 



ROULE, L. 



1884. Sur deux nouvelles espfeces d'Ascidies simples (Families des Phallusiad^es) 

 Compt. Rend. Acad. Sci., vol. 99, Paris. 

 Sars, M. 



1851. Beretning om en i Sommeren 1849 foretagen zoologiske Reise i Lofoten og 



Finmarken. Nyt Mag. Naturvid., vol. 6, Christiania. 

 1858. Bidrag til en skildring af den arktiske mollusk fauna ved Norges nordlige 

 Kyst. Forh. Selsk. Christiania, 1858. 

 Savigny, Jules-Cesar. 



1816. M^moires sur les Animaux sans Vertfebres, pt. 2, Paris. 

 Sluiter, C. Ph. 



1900. Tunicaten aus dem Stillen Ozean. Ergebnisse einer Reise nach dem 



Pacific. Zool. Jahi-b., Abt. f. Syst., vol. 13, pp. 1-35. 

 1904. Die Tunicaten der Siboga-ExTped., I Abth. Die sozialen und holosomen 

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 Stimpson, William. 



1852. Several new Ascidians from the Coast of the U. S., Proc. Boston Soc, 



Nat. Hist., vol. 4, Boston, pp. 228-232. 

 1854. Synopsis of the Marine Invertebrata of Grand Manan. Smiths. Contr., 



vol. 6, No. 5, Washington. 

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Proc. Phila. Acad. Nat. Sci., vol. 16, p. 159. 



TOWNSEND, C. H. 



1901. Dredging and other Records of the United States Fish Commission Steamer 



Albatross with Bibliography relative to the Work of the Vessel. U. S. 

 Fish Comm. Report for 1900, pp. 387-562. 

 Traustedt, M. p. a. 



1880. Oversigt over de fra Denmark og dets nordlinge Bilande Kjendte Asddise 

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1882. Vestindiske Ascidise simplices. Anden Afdeling (Molgulidae og Cyn- 



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1883. Die einfachen Ascidien (Ascidise Simplices) des Golfes von Neapel. Mit- 



teil. Zool. Station zu Neapel, vol. 4, Heft. 4, pp. 448-488. 

 Van Name, W. G. 



1912. Simple Ascidians of the Coasts of New England and neighboring British 

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 Verrill, A. E. 



1871, Descriptions of some new and imperfectly known and new Ascidians from 

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