46 



megalocystum - Goniolilhon myrìocarpum Fosl. f. confragosa : Tahiti 

 (Mus. Paris, P. Hariot) - Gonioì. ver sabile : Giappone, Amakusa (J. 

 Petersen); affine a Gon. misakiense - Gonioì. Setcìicìlii Fosl. f. fini- 

 tima: Ocean Beach, Philipoen, Victoria (C. J. Gabriel)- Gonio!, ìac- 

 cadivicum Fosl. f. armata: Oceano Pacifico, Manga Riva (A. Agassiz) 

 - Gonioì. strìduta Fosl. f. fastigiata - Gonioì. frul&scens Fosl. f. ga- 

 ìapagense: Galapagos (Exped. Albatross) - Gonioì. spect abile - Gonioì. 

 {ILydroii/hon) Boergesenii Fosl. f. africana: Coste occicl. d'Africa, S. 

 Thomas (Gravier) - Gonioì. {Hydrolithon) brevìcladium : Honolulu 

 'Exped. Eugenie?) - Melobesia Cymodoceae [== Melobesia tripìex He- 

 vdr.]: Australia meridionale e Madagascar - Litholepis indica: Réu- 

 nion (F. Jadin) - Litholepis accola : Tahiti, Hao (Mus. Paris, P. Ha- 

 riot) - Litliophvllum caribaeum - Lithoph. subantarcticum - Lithoph. 

 aequum: Chili, Porto de Corrai (R. Thaxter) - Lithoph. nataìense: 

 Natal (A. Weber von Bosse; - Lithoph. fetum: Chili, Porto de Cor- 

 rai (R. Thaxter) - Lithoph. accedens: Chili, San Vincenzo, Talcah- 

 uano (R. Thaxter) - Lithoph. acanthinum : Giappone, Misaki (K. Yen- 

 do) - Lithoph. rupestre: Ocean Beach, Victoria (C. J. Gabriel) - Li- 

 thoph. amplexifrons [== Lithophyllum pseudolichenoides Hcydr.]: Port 

 Natal, coste austro-orientali di Madagascar - Lithoph. verrucosum : 

 Australia meridionale, Capo Jaffa - Lithoph. Oh amurai Fosl. f. pty- 

 choides : Saya de Malha (Stanley Gardiner) - Lithoph. (Porolithon) 

 onkodes Heydr. f. subramosa, f. divìa: Ceylon ; Easter-Oeen, oceano 

 Pacifico (A. Agassiz) - Lithoph. [Porolithon) Gardineri f. typica, f. suì>- 

 ìieinispìiaerica, f. obpyramidata ; Oceano Indiano, Arcipelago Chagos, 

 isole Salomon e Egmont, Seicelle, Coetiry (Stanley Gardiner) - Li- 

 thoph. [Porolithon] praetexlatum : Easter-Oeen nell'Oceano Pacifico 

 (A. Agassiz) - Lithoph. [Porolithon) coarctaium et f. sandwicensis : la 

 f. tvpica alle isole Cocos-Keeling (Exped. Josephine ?), la f. snudivi- 

 censis ad Honolulu (Exped. Eugenie ?) - Lithoph. [Carpoìithon) man- 

 rìtianum: Mauritius (F. Jadin) - Lithoph. [Carpoìithon) \ostericolum 

 Fosl. f. tasmanica: George Town Heads, Port Philip, Capo Jaffa - 

 Lithoph. (Derma tolithon) puslulatum (Lamour.) Fosl. f. ascriplicia: 

 California - Lithoph. [Dermatoìiihon) rasiìe : Tahiti (Mus. Paris, P. 

 Hariot). 



