Über den Bau und das System der Hexactinelliden. 
Familie Gattung | Art 
3. Art. Chonelasma Dederleinü n. sp. 98 
4. Art. 5 calyx n. SP. 99 
IX. 
1. Art. Tretodietyum tubulosum n. sp. 42 100 
2. Art. 5 latum n. sp. 101 
3. Art n eyathus n. Sp. 102 
1. Art. Euryplegma auriculare n. sp. 45 103 
1. Art. Cyrtaulon Sigsbei O. Schmidt. 4 104 
2. Art. > solutus n. Sp. 105 
1. Art. Fieldingia lagettoides Sav. Kent. 45 106 
1. Art. Selerothamnus Olausii Marshall. 46 107 
X. 
1. Art. Dactylocalyx pumiceus Stuchbury. 47 108 
2. Art. > subglobosus Gray. 109 
3. Art. n patella n. sp. 110 
1. Art. Scleroplegma conicum ©. Schmidt. 48 111 
1. Art. Margaritella celoptychoides O. Schmidt. 49 112 
1. Art. Myliusia callocyathus Gray. 50 113 
1. Art. Auloeystis Grayi Bowerbank. 51 114 
2. Art. Zittelüü Marshall. 115 
Phys. Abh. 1886, 1. 13 
