203 



Myriothela Sars 1 Sp. (Mit sessilen Gescblechtsthieren, die au 

 besondern proliferirenden Individuen von einfacher Cylinderfoi'm her- 

 vorknospen. Der frei bewegliche Jiigendzustand walzenförmig mit 

 verhältnissmässig langen Tentakeln.) 



Fam. 9. EudendrÜdae. Polypites borne on a well devoloped 

 stem, with a siagle verticil of fdiform teutacula surrounding the l)a8e 

 of a large trumpet-shaped proboscis. 



Eudendrium Ehrbg. 7 Sp. 



Fam. 10. Atractylidae Polypites borne on a stem (sometimes 

 rudimentary) with a single wreath of fibform tentacula surrounding 

 a conical probuscis. 



Atractylis Wr. 1 Sp., Perigoniraus Sars 5 Sp. (ausserdem noch 

 5 Sp. ine. sed.) Hydranthea n. gen. mit Atractylis margarica 

 Hincks, Garveia Wr. 1 Sp., Bimeria 1 Sp., Dicoryne Allm. 1 Sp., He- 

 terocordyle 1 Sp., Bougainvillia Less. 3 Sp. (Eudendrium ramosum van 

 Bened., Eud. fruticosum Allm. und Perigonimus muscusAUm.) 



Fam. 11. Tubulariidae. Polypites flask-shaped, with two sets 

 of filiform tentacula. one oral, the other placed near the base of 

 the body. 



Tubularia Linn. 7 Sp. . Ectopleura Ag. 1 Sp. , Corymorpha 

 Sars 2 Spec. 



Fam. 12. FennarÜdae. Polypites with two sets of tentacula, 

 one oral and capitate, the other aboral and filiform. 



Vorticlava Aid. 2 Sp., Acharadria St. Wr. 1 Sp. 



Subord. II. Tbecaphora. Hydroida furnished with a chiti- 

 nons receptacle (hydrotheca) for the protection of the polypites and 

 gonophores. 



Fam. 1. Campanulariidae. Hydrothecae terminal, pedicellate, 

 campanulate ; polypites with a large trumpet-shaped proboscis. 



Clytia Lam. 1 Sp., Obelia Per. 6 Sp., Campanularia Linn. 

 10 Sp. (ausserdem noch 3 fraglich), Lovenella n. gen. mit Camp, 

 clausa L., Thaumantias Esch. 1 Sp., Gonophyraea Allm. 3 Sp. 



Fam. 2. Campanulinidae. Hydrothecae ovato-conic, pedicellate ; 

 polypites cylindrical, with a small conical proboscis. 



Campanulina van Bened.. 3 Spec. , Zygodactyla Brdt. 1 Sp.. 

 Operctilarella n. gen. mit Camp, lacerata Johnst. 



Fam. 3. LeptOSCypbidae. Hydrothecae ovato-conic: polypites 

 cylindrical, with a conical proboscis; generative elements produced 

 in the walls of the manubrium: lithocysts wanting. (Die Geschlechts- 

 thiere — Lizzia — gleichen denen der Athecatae.) 



Leptoscyphus Allm. 1 Sp. 



Fam. 4. Lafoeidae. Hydrothecae tubulär; polypites cylindrical. 

 with a conical proboscis. 



15 



