BY DR. R. VOX LENDENFELD. 157 



SCYPHOMEDUS^E. Ray Lankaster, 1877. 



I. Ordo. — Stauromedu-s,e. Haeckel, 1879. 



1. Family TessericUe. Haeckel, 1879. 



1. Genus Tessera. Haeckel, 1879. 



1. Species T. princeps. Haeckel, 1879. 



2. Species T. typus. Haeckel, 1879. 



2. Genus Tesseraria. Haeckel, 1879. 



3. Species T. Scyphomeda. Haeckel, 1879. 



3. Genus Tesserantha. Haeckel, 1879. 



4. Species T. connectens. Haeckel, 1879. 



2. Family Lucernaridae. Johnston, 1847. 



4. Genus Craterolophus. Clark, 1863. 



5. Species C. Microcystis. Yon Lendenfeld, 188i(nevj) 



II. Ordo. — Perojiedus^e. Haeckel, 1879. 



3. Family Pericolpidae. Haeckel, 1879. 



5. Genus Pericolpa. Haeckel, 1879. 



6. Species P. quadrigata. Haeckel, 1879, 



7. Species P. tetralina. Haeckel, 1879. 



6. Genus Pei-icrypta. Haeckel, 1879. 



8. Species P. galea. Haeckel, 1879. 



9. Species P. campana. Haeckel, 1879. 



4. Family Periphyllidpe. Haeckel, 1879. 



7. Genus Periphylla. Steenstrup, 1837. 



10. Species P. Peronii. Haeckel, 1879. 



11. Species P. mrrabilis. Haeckel, 1879. 



8. Genus Peripbema. Haeckel, 1881. 



12. Species P. regina. Haeckel, 1881. 



