96 



II. 2. Cölenteraten fZoophyten). 



Fibrospongiae. 

 Geraspongiae. 



Euspongia, Spongelia, Poterium 

 Halichondriae. 



Axinella, Spongilla. 

 Corticata. 



Thetya. 

 H yalospongiae. 



Enplectella. 

 Ca lcispongiae. 



Ascon, Leucon, Sycon. 



II. Acalephae. 



1. Hydromedusae. 



Hydriforraes. 



Hydra ; — Cordylophora ; — 



Hydractinia; — Coryne, Syn- 



coryne, Eudendrium ; — Tubu- 



laria, Corymorpha ; — Campa- 



nularia, Sertularia, Plumularia. 

 Siphonophora. 



Velella, Porpita ; — Diphyes, Abyla ; — Athorybia, Agalma, Physo- 



phora, Physalia. 



2. Calycozoa. 



Lucernaria. 



Thecomedusae. 



Stephanoscyphus. 

 Medusae (Discophora). 



Charybdea, Pelagia, Aurelia, Rhizostoma, Cassiopeia. 

 Anthozoa. 

 Tet rac tin ia. 



Cereanthus, Cyathophyllum. 

 Hexacti nia. 



Antipathes, Fungia, Madrepora, Astraea, Oculina, Caryophyllia. 

 Octactinia ( Alcyonaria). 



Alcyonium, Pennatula, Virgularia, Veretillum, Renilla, Gorgonia, Isis, 



Corallium. Tubipora. 



C tenophora. 



Beroe, Cydippe, Cestum, Eurharnphaea, Mnemia, Eucharis. 



Medusiformes. 



Sarsia, Bougainvillea, Lizzia, 

 Oceania ; — Eucope, Thauman- 

 tias ; — Trachynema ; — Aegina, 

 Cunina; — Liriope, Geryonia , 

 Aequorea. 



3. 



I. 



5. 



6. 



Literatur. 



Spongien: Grant, R. E., Observ. on the struct. and funct. of Sponges. Edinb. New. 

 phil. Journal. 1826. 1832. — Lieberkühn, Beitr. z. Entw. der Spongillen. Arch. 

 f. Anat. u. Physiol. 1856. Zur Anat. d. Spongillen. ibid. — Derselbe, Z. Anat. 

 d. Spongien. ibid. 1857. 1859. 1863. — Schultze, M., Die Hyalonemen. Bonn 

 1860. — Schmidt, 0., Die Spongien des adriat. Meeres. Leipzig 1862. Supple- 

 ment 1864. Zweites Supplement 1867. Drittes Supplement 1868. — Claus, Ueber 

 Euplectella Aspergillum. Marb. u. Leipz. 1868. — Harting , P. , Sur le genre 

 Poterium. Natuurkund. Verhandelingen. P. IL St. 2. Utrecht 1870. — Hackel, 

 Die Kalkschwämme , eine Monographie. 3 Bde. Berlin 1872. — Derselbe, Die 



