106 AMERICAN HYDKOIDS. 



Hartlaub, Clemens Beitriige zur Fauna der siidostlichen und ostlichen Nordsee, III, Teil VI, Hydroiden, 



1898. (Wissenschaftliche Meeresuntersuchungen, new ser., vol. 3,1898.) 1898. 

 Original description of the genus Galanthula, which is not considered a cam- 

 panularian in the present work. 

 Hydroiden aus dem Stillen Ocean. Ergebnisse einer Keise nach dem Pacific 

 (Schauinsland, 1896-8). (Zoologische Jahrbiicher: Abtheilung fiir Systematik, 

 Geographie und Biologie der Tliiere.) Jena, 1901. 



Important from a distributional standpoint. The original description of 

 Orthopyxis crenata. 

 Die Hydroiden der magalhaensischen Region und chilenischen Kiiste. (Zoologi- 

 schen Jahrbuchern. Supplement. VI. Dr. L. Plate, Fauna Chilensis, vol. 3, 

 pt. 3.) Jena, 1905. 



Original description of Campanularia Ixvis. A good discussion of the genera 

 of the Campanularidse. 

 R6sultats du voyage du S. Y. Belgica, en 1897-1899. (Rapports scientifiques 

 de la Commission de la Belgica, Zoologie, Hydroiden.) Anvers, 1914. 

 Obelia geniculata is the only campanularian mentioned. 



Hassall, a. H Catalogue of Irish Zoophytes. (Annals and Magazine of Natural History, vol. 6, p. 



166.) London, 1841. 



An interesting discussion of the animal nature of ' 'Zoophytes. " 



Heller, C Die Zoophyten und Echinodermen des Adriatischen Meeres. (Verb. d. k. Zool.-Bo- 



tan. Ges., vol. 18, Beilage, 88 pp.) Vienna, 1868. 



A brief discussion of five common campanularians, and a key to the genera of 

 hydroids. 



Hekklots, J. A * Natuurlyke Historie van Nederland. De Weekdieren in lagere Dieren, vol. 2. 



Amsterdam, 1870. 

 HicKSON, S., and Gravely, 



P. H Hydroid Zoophytes of the National Antarctic Expedition. 1907. 



Four campanularians are included. 



HiNCKS, Th Further notes on British Zoophytes, with descriptions of New Species. (Annals and 



Magazine of Natural History, ser. 2, vol. 11, p. 178, 1853.) London, 1853. 

 Original description of Orthopyxis caliculata. 

 Notes on British Zoophytes, with descriptions of new species. (Annals and 

 Magazine of Natural History, ser. 2, vol. 15, p. 127.) London, 1855. 

 A description of the gonosome of Campanularia integra. 

 A Catalogue of the Zoophytes of South Devon and South Cornwall. (Annals and 

 Magazine of Natural History, ser. 3, vol. 8, pp. 251-262, 290-296.) London, 1861. 

 Thirteen species of Campanularidse mentioned. 

 Zoophytes, a History of their Development. (Quarterly Journal of Science, vol. 2, 

 p. 401.) London, 1865. 

 ' Development of medusoid in Gonothyrxa loveni. 

 On new British Hydroida. (Annals and Magazine of Natural History, ser. 3, vol. 18, 

 p. 296.) London, 1866. 



Original description of Obelia flabellata? , Campanularia gigantea, and Oono- 

 thyrxa hyalina. 

 A History of the British Hydroid Zoophytes. London, 1868. A very important 

 classic, probably the most valuable single publication on the Hydroida. 

 A good discussion of the family Campanularidse and most of its genera. Unsur- 

 passed in its fidelity in description and illustration. 

 Supplement to a "A Catalogue of the Zoophytes of South Devon and South 

 Cornwall, ' ' with Descriptions of new Species. (Annals and Magazine of Natu- 

 ral History, ser. 4, vol. 8, p. 73.) London, 1871. 



Original description of Campanularia calceolifera. 

 On Deep-Water Hydroida from Iceland. (Annals and Magazine of Natural History, 

 ser. 4, vol. 13, p. 146.) London, 1874. 



Important from a distributional standpoint. 



Hoffman * Einige Bemerkungen iiber die Vegetation und die Fauna von Helgoland. (Verb. 



Gesellsch. naturforsch. Freunde Berlin, vol. 1, pt. 4, p. 228.) Berlin, 1824. 



HoGO, J * Natural History of the Vicinity of Stockton on Tees. (Brewster, J., History of 



Stockton.) Stockton, 1827. 



HouTTUYN, M Natuurlyke Historie af uitvoerige beschryving der Dieren, Planten en Mineralien vol- 



gens het samenstel van den Heer Linnaeus. Erste Deels, Dieren.) Amsterdam, 

 1761-73. 



Contains a list of species named according to Linnseus. 



