HYDROIDS FROM NOTA SCOTIA 
179 
Systematik. Saertryk af Videnskabelige Middelelser 
fra der naturhistoriske Forening, 1892. 
Linnaeus, C. 
1758. Systema Naturae, 10th edition. 
1767. Systema Naturae* 12th edition. 
McCrady, J. 
1858. Gymnophthalmata of Charleston harbour. Proceedings 
of the Elliot Society of Charleston, S.C., for 1857. pp. 
1-119. 
Nutting, C. C. 
1901. The hydroids of the Woods Hole region. Bulletin of the 
U.S. Fish Commission for 1899, pp. 325-386. 
1904. American Hydroids — Part EL The Sertularidse. Smith- 
sonian Institution. Special bulletin. 
Sars, M. 
1851. Beretning om en zoologisk Reise i Lofoten of Finmarken. 
Nyt Magazin for Naturvidensk, bd. VI. Kristiania. 
1862. Bemaerkninger over fire norske Hydroider Saerskilt 
aftrykt at Videnskabelige-Selskabets Forhandlinger. 
Stimpson, W. 
1854. Synopsis of the marine invertebrates of Grand Manan. — 
Smithsonian Contributions to Knowledge, vol. VI, No. 5. 
Verrill, A. E, 
1872. Radiata from the coast of North Carolina. American 
Journal of Science and Arts, 3rd ser. vol. V. 
1874. Explorations of Casco bay by the U. S. Fish Commission 
in 1873. Proceedings of the American Association for 
the Advancement of Science, 1873. 
1879. Preliminary checklist of the marine invertebrata of the 
Atlantic coast from Cape Cod to the Gulf of St. Lawrence. 
