406 CALIFORNIA ACADEMY OF SCIENCES. 



8PATHIOCAKIS. STYLONURUS. 



SPATHIOCARIS Clarke, 1882; Am. Jour. Sci., 3d series, vol. 23, p. 477. 



EMERSONI Clarke, 1882; Am. Jour. Sci., 3d series, vol. 23, p. 477, pi., 



figs. 1-3. Bristol, Richmond and Naples, N. Y., etc. Hamilton. 



- EMERSONI Pack., 1883; 12th Rep. U. S. Geol. Survey Territories, 



p. 451. 



EMERSONI Clarke, 1886; Neues Jarbuch fur Mineral., p. 180. 



- EMERSONI W. & J., 1884; 2d Rep. Comm. Foss. Phyllopoda Pal. 



Rocks, p. 7. 



EMERSONI Clarke, 1885; Bull. U. S. Geol. Survey, No. 16, p. 46. 



Naples, N. Y. 



- EMERSONI Eth., W. & J., 1885; 3d Rep. Comm. Foss. Phyllopoda Pal. 



Rocks, p. 3. 

 . EMERSONI Hall, 1888; Pal. New York, vol. 7, p. 199, pi. 35, figs. 12-18. 



- EMERSONI Eth., W. & J., 1888; 6th Rep. Comm Foss. Phyllopoda Pal. 



Rocks, p. 8. 



STREPULA J. & H., 1886; Annals Mag. Nat. Hist., 5th series, London, vol. 

 17, p. 403. 



- LUNATIFERA Ulrich, 1889; Contrib. Micro-Palseont., pt. 2, p. 56, pi. 9, 



figs. 14, 14 b. Stony Mountain, Manitoba. Hudson. 



PLANTARIS Jones, 1890; Quart. Jour. Geol. Soc., vol. 46, p. 540, pi. 



20, figs. 8, a, b. 18-Mile Creek, N. Y. Devonian. 



QUADRILIRATA (H. & W.) Ulrich, 1889; Contrib. Micro-Palseont., pt. 



2, p. 54, pi. 9, fig. 12. Stony Mountain, Manitoba. For other 

 references, see Beyrichia quadrilirata. 



SIGMOIDALIS Jones, 1890; Quart. Jour. Geol. Soc., vol. 46, p. 11, pi. 



2, fig. 4. 18-Mile Creek, N. Y, Hamilton. 



STRIGOCARIS, name suggested to replace preoccupied generic name Soleno- 



caris (Meek) Vogd., 1889; Annals N. Y. Acad. Sci., vol.5, p. 34. 

 Solenocaris ST. LUDOVICI Worthen, 1884; Bull. Illinois State Cab. Nat. 



Hist., No. 2, p. 3. St. Louis. 



Solenocaris ST. LUDOVICI Worthen, 1890; Geol. Illinois, vol. 8, p. 153, 



pi. 28, fig. 3. St. Louis limestone, South St. Louis, Mo. 

 Ceratiocaris (Solenocaris) STRIGATA Meek, 1872; Proc. Nat. Acad. Sci. 



Phila., vol.23, p. 335. Danville, Ky. Waverly. 



Ceratiocaris (Solenocaris) STRIGATA Meek, 1875; Pal. Ohio, vol. 2, p. 



321, pi. 18, figs. 4 a-c. 

 STROBILEPSIS Clarke, 1888; Pal. New York, vol. 7, p. 212. 



- SPINIGERA Clarke, 1888; Pal. New York, vol. 7, p. 212, pi. 36, figs. 



20-22. Meuteth's Point, Canandaigua Lake, N. Y. Hamilton. 

 STYLONURUS Page, 1856; Advance Text-book Geology, p. 135. 

 EXCELSIOR Hall, MSS. Andes, Delaware Co., N. Y. Catskill. 



EXCELSIOR Martin, 1882; Trans. New York Acad. Sci., vol. 2, p. 8. 



- EXCELSIOR Hall, 1884; 36th Rep. New York State Mus., p. 77, pi. 5, 



fig. 1. 



