404 CALIFORNIA ACADEMY OF SCIENCES. 



PKIMITIOPSIS. PTERYGOTUS. 



Primitiopsis Jones, 1887; Notes on some Sil. Ostracoda from Gothland, 



p. 5. 

 PCNCTULIFERA (Hall) Jones, 1890; Quart. Jour. Geol. Soc, vol. 46, p. 



9, pi. 2, figs. 7 a, b, 12 a, b. Seneca Lake, etc., N. Y. For other 



references, see Beyrichia punctulifera Hall. Hamilton. 

 PUNCTULIFERA Joues, 1891; Contrib. Micro-Palasont., pt. 3, p. 95, pi. 



11, figs. 11 a, b. Thedford, Ontario. 

 Protobalanus Whitf ., 1889; Bull. Am. Mus. Nat. Hist., New York, vol. 2, 



p. 66; Hall, 1888; Pal. New York, vol. 7, pp. Ixii and 209. 

 HAMiLTONENSis (Whitf.) Hall, 1888; Pal. New York, vol. 7, p. 209, pi. 



36, fig. 23. Avon, Genesee Co., N. Y. 

 HAMILTONENSIS Whitf., 1859; Bull. Am. Mus. Nat. Hist., New York, 



vol. 2, p. 67, pi. 13, fig. 22. Marcellus. 

 Protocaris Wal., 1884; Bull. U. S. Geol. Survey, No. 10, p. 50. 

 MARSHi Wal., 1884; Bull. U. S. Geol. Survey, No. 10, p. 50, pi. 10. 



Georgia, Vermont. Olenellus zone. Taconic, 

 MARSHI Wal., 1886; Bull. U. S. Geol. Survey, No. 30, p. 148, pi. 15, 



fig. 1. 

 MARSHI Wal.; 10th Rep. U. S. Geol. Survey, p. 629, pi. 81. fig. 6. 



Olenellus zone. 

 Protolimulus Pack., 1866; Mem. Natl. Acad. Sci., vol. 3, p. 150. 



Presiioichia eriensis Williams, 1885; Am. Jour. Sci., 3d series, vol. 



30, p. 45, 3 figs. Le Boeuf, Erie Co., Penn. Devonian. 

 eriensis Pack., 1886; Mem. Natl, Acad. Sci., vol. 3, p. 150, figs. 



11-13. 



eriensis Hall, 1888; Pal. New York, vol. 7, p. 153, pi. 26, figs. 1, 2. 



Pterygotus Agas., 1844; Mou. Poissons Fossiles, note, p. xix. 



ACUTICAUUA Pohl., 1882; Bull. Buffalo Soc. Nat. Sci., vol. 4, p. 42, pi. 



2, fig. 3. Buffalo, N. Y. Waterlime. 

 BILOBUS (Huxley and Salter) Pohl., 1886; Bull. Buffalo Soc. Nat. 



Sci., vol. 5, p. 27. Buffalo, N. Y. Waterlime. 

 BUFFALOENSIS Pohl., 1881; Bull. Buffalo Soc. Nat. Sci., vol. 4, p. 17' 



figs. 1, 2. Buffalo, N. Y. Waterlime. 

 BUFFALOENSIS Pohl., 1882; Bull. Buffalo Soc. Nat. Sci., vol. 4, p. 44, 



pi. 3, fig. 3. 

 BUFFALOENSIS Pohl., 1886; Bull. Buffalo Soc. Nat. Sci., vol. 5, p. 24, 



pi. 3, fig. 1. 

 CANADENSIS Daw., 1881; Canadian Naturalist, new series, vol. 9, p. 



103, figs. 1, 2. Niagara. 

 COBBI Hall, 1859; Pal. New York, vol. 3, p. 417, pi. 83 b, fig. 4; pi. 



84, fig. 8 (?). Near Buff'alo, N. Y. Waterlime. 

 CUMMINGSI G. & P., 1875; Bull. Buff'alo Soc. Nat. Sci., vol. 3, p. 18, 



fig. Buff'alo, N. Y. Waterlime. 



