CATALOGUE OF NON-TRILOB1TES. 387 



EURYPTERUS. 



- BOYLEI Whiteaves, 1884; Pal. Foss., vol. 3, pt. 1, p. 42, pi. 7, fig. 3. 



Guelph formation of Ontario, Canada. 



DEKAYI Hall, 1859; Pal. New York, vol. 3, p. 411*, pi. 82, fig. 1. 

 Black Rock, N. Y. Waterlime. 



ERIENSIS Whitf., 1881; Annals New York Acad. Sci., vol. 2, p. 196. 



Lower Helderberg. 



GIGANTECS Pohl., 1882; Bull. Buffalo Soc. Nat. Sci., vol. 4, p. 41, pi. 



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



LACUSTRIS Harlan, 1834; Trans. Geol. Soc. Pennsylvania, vol. 1, p. 



98, pi. 5, fig. 2. Williamsville, N. Y. Waterlime. 



- LACUSTRIS Harlan, 1835; Med. Phys. Researches, p. 297, pi., fig. 2. 



- LACUSTRIS Hall, 1859; Pal. New York, vol. 3, p. 407*, pi. 81, figs. 1-11; 



pi. 81 a, fig. 1; pi. 81 b, figs. 1-5; pi. 83 b, fig. 3; also fig. 5 in text 

 p. 400*. Williamsville and Buffalo, N. Y. 



LACUSTRIS var. ROBUSTUS Hall, 1859; Pal. New York, vol. 3, p. 410*, 



pi. 81 c, fig. 2. NearBufialo, N. Y. 



(Dolichopterus) MANSFIELDI Hall, C. E., 1877; Proc. Am. Philos. Soc., 



vol. 16, p. 621. Near Cannelton, Beaver Co., Penn. Carboniferous. 



- MANSFIELDI Hall, 1884; 2d Geol. Survey Pennsylvania, vol. PPP, p. 



32, pi. 4, figs. 1-8; pi. 5, figs. 1-11; pi. 6, fig. 1; pi. 7, fig. 1; pi. 

 8, figs. 1-3. 



(Anthraconectes) MAZONENSIS M. & W., 1868; Am. Jour. Sci., 2d series, 



vol. 46, p. 21. Mazon Creek, Grundy Co., Illinois. 



Coal Measures. 



(Anthraconectes) MAZONENSIS M. & W., 1868; Geol. Survey Illinois, vol. 



3, p. 544, figs. 



(Anthraconectes) MAZONENSIS Hall, 1884; 2d Geol. Survey Pennsyl- 

 vania, vol. PPP, p. 25, fig. 2; p. 27, fig. 3. 



(Anthraconectes) MAZONENSIS White, 1884; 13th Ann. Rep. Dept. Geol. 



Nat. His. Indiana, p. 168, pi. 37, figs. 1, 2, 3. 



- MICROPHTHALMUS Hall, 1859; Pal. New York, vol. 3, p. 407*, pi. 80 a, 



fig. 7. Cazenovia, N. Y. Lower Helderberg. 



- PACHYCHEIRUS Hall, 1859; Pal. New York, vol. 3, p. 412*, pi. 8, figs. 



1-3. Black Rock four miles east of Bufialo, N. Y. Waterlime. 



- PENNSYLVANICUS Hall, C. E., 1877; Trans. Am. Philos. Soc. Phila., 



vol. 7, p. 621. At Rooker Farm, Pithole City, Venango county, 

 Penn. Carboniferous. 



PENNSYLVANICUS Hall, 1884; 2d Geol. Survey Pennsylvania, vol. PPP, 



p. 31, pi. 5, fig. 18. 



- POHLMANI Vogd., 1889; to take the place of the preoccupied name of 



E. scorpionis Grote and Pitt. Annals New York Acad. Sci., vol. 

 5, p. 22. Buffalo, N. Y. 



- POTENS Hall, 1884; 2d Geol. Survey Pennsylvania, vol. PPP, pi. 4, 



figs. 9, 10. Carboniferous. 



