AMERICAN HYDROIDS. 133 



FEWKES, J.W.,andMARK,E.L.Acalephs and Polyps, Selections from Emliryological Monographs, No. III. (Memoirs 

 of the Museum of Comparative Zoology, IX, 1884, No. 3.) 



Gives figures illustrating the development of the corbula ofAglaopheniapluma. 



FLEMING, J A History of British Animals. Edinburgh, 1828. 



Contains descriptions of a few Plumularida 1 . 



FORBES, EDWARD On the Morphology of the Reproductive System of the Sertularian Zoophyte, etc. 



(Anuals and Magazine of Natural History, December, 18-44.) 



A classic paper treating of the analogy between Hydroids and plants, especially 

 in their reproductive features. 



GRAY, J. E List of the Specimens of British Animals in the Collection of the British Museum, 



Part 1, Radiata, London, 1847. 



Contains a systematic arrangement of the Hydroids. 



HAMANN, OTTO Der organisnius der Hydroidpolypen. (Jenaische Zeitschrif't fiir Naturwissenschaft, 



XV, new ser. VIII, Jena, 1882.) 



Describes the nematocysts and the origin of the sex cells in Plumularia 

 fragUis, and the formation of the planula. 



HELLER, CAMII Die Zoophyten und Echinodermen des Adriatischen Meeres. Vienna, 1868. 



Breaks up the old genus Plumularia into three genera, Antsocalyx, Heteropyxii, 

 and Plumularia. 



HINCKS, THOMAS A History of the British Hydroid Zoophytes, 2 vols. London, 1868. 



A splendid classic work containing general discussion of the Hydroids and 

 descriptions of several species of Plunmlarida- which have since been found in 

 American waters. 



HINCKS, THOMAS Note on Professor Heller's Catalogue of the Hydroida of the Adriatic. (Annals and 



Magazine of Natural History, February, 1872.) 



Criticises Heller for ignoring British writers and objects to his subdivision 

 of the genus Plumularia. 



HINCKS, THOMAS Notes on Norwegian Hydroida from Deep Water. (Annals and Magazine of Natural 



History, February, 1874.) 



Discusses Sars's paper and establishes the genus Ophioiiema for Sars's 

 Ophioide* puraiitica. 



JICKELI, CARL F Ueber den histologischen Ban von Tiilularia, Cordylopltora, Cladomeiia, Coryne, 



flemmnria, Ptrigonimus, etc. (Morphologisches Jahrbuch, VIII.) 



Describes the sarcostyles and the histology of Plumularia lialecioiflex; also 

 discusses the relationship between the Plumnlaridm and graptolites. 



JOHNSTON, GEORGE A History of the British Zoophytes, 2d ed., 2 vols. London, 1847. 



Another classic work containing good figures and descriptions of some of the 

 Plumiilaridie common to Europe and America. 



KIRCHENPAUER, G. H ...Ueber die Hydroidenfamilie Plumularidic, eiuzelne Gruppen derselbeu und ihre 



Fruchtbehiilter, I. Aylaojihe.nia. (Abhaudluug lierausgegebeu von dem Natur- 

 wissonsehaftlichen Verein zu Hamburg, V, 1872.) 



KiRCHENi'AUER, G. II Ueber die Hydroidenfamilie Plumularidie, etc., Part II, Plumularia und. Nemertesia, 1876. 



This und the preceding constitute a very important work describing all 

 known plumulariana and giving a systematic discussion of their gross anatomy, 

 illustrated by excellent plates. Part 2 includes all of the Eleutheroplea then 

 known. Part 1 is devoted to the Statoplea. 



LAMARCK, J. B. P. A. de Histoire Naturelle des Auimaux sans Vertebres, 2d cd., II, Histoire des Polypes. 



Paris, 1836. 



Contains a few original descriptions of Plumularida' some of which have since 

 been found in American waters. 



LAMOUROUX, J. V. F Histoire des Polypiers coralligenes flexibles, vulgairement nomme's Zoophytes. 



Caen, 1816. 



A work which is necessary for the understanding of the synonymy of several 

 American species but more particularly the genera Plumularia and Antennularia. 



LAMOUROUX, J. V. F Exposition Methodique des genres de 1'ordre des Polypiers. Paris, 1821. 



Contains much the same matter as the preceding with the addition of some 

 new descriptions. 



LANDSBOROUGH, D A popular history of British Zoophytes, or Corallines. London, 1852. 



A work written in a pleasing style, with good colored plates of several Plumula- 

 rid:e since found in American waters. 



LANKESTER, E. RAY Hydrozoa. Article from Encyclopaedia Britaniiica. Reprinted in Zoological Articles. 



1891. 



A general discussion of the morphology and classification of the llydroids. 



