SETCHELL— PARASITISM AMONG RED ALG^. 163 



*5. Harvcyclla mirahilis (Reinsch) Schmitz et Reinke (1889), on 



Rliodomcla. 

 *6. Harveyella pachyderma (Reinsch) Batters (1902), on Graci- 



laria confcrvoides (L.) Grev. 



GlGARTINACE^. 



7. Actinococcus suhcutaneus (Lyngb.) Rosenvinge (1893), on 



Phyllophora Brodicci (Turn.) J. Ag. and P. interrupta 

 (Grev.) J. Ag. 



8. Actinococcus aggrcgatits Schmitz (1893), on Gymnogongrus 



Griffithsi(c (Turn.) Mart. 



9. Actinococcus pelt<rformis Schmitz (1893) on Gymnogongrus 



norvegicus (Gunn.) J. Ag. and G. crenulatus (Turn.) J. 

 Ag. 



10. Actinococcus latior Schmitz (1893), on Gymnogongrus dilafa- 



tus (Turn.) J. Ag. 



11. Actinococcus mollis M. A. Howe (1914), on Gymnogongrus 



disclpUnalis (Turn.) J. Ag. 



12. Actinococcus Chiton M. A. Howe (1914), on Gymnogongrus 



linearis (Turn.) J. Ag. 



13. Colacolepis decipiens Schmitz (1893), on Phyllophora Heredia 



(Clem.) J. Ag. 



14. Colacolepis incrustans Schmitz (1893), ^^ Phyllophora nervosa 



(DC.) Grev. 



15. Stcrrocolax decipiens Schmitz (1893), on Ahnfeldtia plicata 



(Huds.) Fr. 



16. Stcrrocolax crassior Schmitz (1893) on "Gymnogongrus fas- 



tigiatus var. crassior Rtiprecht." 



17. Ceratocolax Hartzii Rosenvinge (1898), on Phyllophora inter- 



rupta (Grev.) J. Ag. 



18. Callocolax neglectus Schmitz (1894), on Callophyllis laciniata 



(Huds.) Kuetz. 



Sph^rococcace^. 



19. Gracilariophila orycoides Setchell et Wilson (1910), on Graci- 



laria confcrvoides (L.) Grev. 



