378 Ortmann — Invertebrate Fossils from Patagonia. 



Species new for the Patagonian formation. 

 Bbyozoa. 



1. Cellar ia fstulosa (L.). (Hineks, Hist. Brit. mar. Polyzoa, 

 1880, p. 106.) This species is a living, almost cosmopolitan 

 form, and has been found fossil from the Oligocene beds 

 upward in Europe and New Zealand. 



Shell Gap (Rio Chico). 



2. Aspidostoma ;giganteum (Busk). (Bnsk, Rep. Challenger, 

 vol. x, 1881, p. 161.) Known so far only living from south- 

 ern Patagonia. 



Santa Cruz and San Julian. 



3. .Heteropora pelliculata Waters (see Nicholson, Ann. Nat. 

 Hist., ser. 5, v. vi, 1880). Known living from Japan and New 

 Zealand, and fossil from New Zealand. 



San Julian ; Arroyo Gio. 



Brachiopoda. 



4. Rhynchonella squamosa Hutton (Cat. Tert. Moll. New 

 Zealand, 1873). Fossil from New Zealand and Australia, liv- 

 ing {pixy data Da v.) from Kerguelen Islands. 



Lake Pueyrredon. 



5. Terebratella dorsata (Gmel.). (Davidson, Trans Linn. 

 Soc, 1887, p. 75.) Fossil in New Zealand, and living on the 

 Patagonian coast. 



Santa Cruz ; Shell Gap ; Lake Pueyrredon. 



Pelecypoda. 



6. Mytilus magellanicus Chem. (Reeve, Conch. Icon., 

 vol. x, 1858.) Living on the Patagonian coast. 



San Julian. 



7. Leda oxyrrhyncha (Philippi), (Tert. und Quart. Yerst. 

 Chiles, 1887, p. 197). Navidad beds of Chile. 



Santa Cruz and Arroyo Gio. 



8. Leda errazurizi (Philippi), (Ibid. p. 196). Navidad 

 beds of Chile. 



Santa Cruz ; Sierra Oveja (Rio Chico) ; Arroyo Gio ; Lake 

 Pueyrredon. 



9. Cardita elegantoides Ortm, (Amer. Journ. Sci., 1S99, 

 p. 428), described from the Magellanian beds of Pnnta Arenas. 



Santa Cruz and Mt. of Observation. 



10. Cardita volckmanni Phil. (1. c, p. 173). Navidad beds 

 of Chile. 



Lake Pueyrredon. 



11. Venus chiloensis Phil. (1. c, p. 121). Chile. 



Punta Arenas. (Known previously from this locality, but 

 stratigraphical position not ascertained.) 



