North American Palaeozoic Crustacea. 17 



multinodosa, Etheridge, Woodward & Jones, 1888 ; 6th Rept. Coram. 



Foss. Phyllopoda Pal. Rocks, p. 8. 

 Ceratiocaris? pniictatus, Hall, 1863; 16th Rept. N. Y. State Cab. Nat. Hist., 



p. 74, pi. 1, fig. 8. Hamilton. 



Ceratiocaris armatus, Hall, 1863 ; 16th Rept. N. Y. State Cab. Nat. Hist., p. 72, 



pi. 1, figs. 1-3. 

 Ceratiocaris ai-matus. Hall, 1876; Illust. Devonian Foss., pi. 23, figs. 4, 5. 

 Ceratiocaris (Aristozoe) punctatus, Hall, 1876; id., pi. 23, fig. 7. 

 Echinocaris punctatus, Wliitfield, 1880 ; Am. .Tour. Sci., 3d series, vol. 19, p. 37. 

 punctatus, Packard, 1882; Am. Naturalist, p. 952, fig. 12. 

 punctatus, Packard, 1883; 12th Rept. U. S. Geol. Survey Territories, 



p. 450, fig. 70. 

 armatus, Packard, 1883, id., p. 451. 

 punctatus, Beecher, 1884 ; 2d Geol. Survey Pennsylvania, vol. PPP, p. 6, 



pi. 1, figs. 13-16 ; also fig. 1 in text, p. 4. 

 armatus, Jones & Woodward, 1884; Geol. Mag., Dec. 3, vol. 1, p. 2, pi. 13, 



fig. 2. 

 armatus, Etheridge, Woodward & Jones, 1885; 3d Rept. Comm. Foss. 



Phyllopoda Pal. Rocks, p. 35. 

 punctatus, Hall & Clarke, 1888 ; Pal. New York, vol. 7, p. 166, pi. 27, 



fig. 10; pi. 28, figs. 1-7 ; pi. 29, figs. 1-8. 

 punctata, Etheridge, Woodward & Jones, 1888 ; 6th Rept. Comm. Foss. 



Phyllopoda Pal. Rocks, p. 8. 

 pustulosa, Whitfield, 1880; Am. Jour. Sci., 3d series, vol. 19, p. 38. 



Erie shales, 

 pustulosa, Whitfield, 1880 ; Author's edition, p. 38, plate, fig. 7. 

 pustulosa, Packard, 1883; 12th Rept. U. S. Geol. Survey Territories, 



p. 451. 

 pustulosa, Beecher, 1884 ; 2d Geol. Survey Pennsylvania, vol. PPP, p. 5. 

 pustulosa, Jones & Woodward, 1884; Geol. Mag., Dec. 3, vol. 1, p. 2, 



pi. 13, fig. 6. 

 pustulosa, Etheridge, Woodward & Jones, 1885 ; 3d Rept. Comm. Fossil 



Phyllopoda Pal. Rocks, p. 35. 

 pustulosa, Hall & Clarke, 1888; Pal. New York, vol. 7, p. 178, pi. 29, 



figs. 9, 10. 

 pustulosa, Etheridge, Woodward & Jones, 1888 ; 6th Rept. Comm. Foss. 



Phyllopoda Pal. Rocks, p. 8. 

 socialis, Beecher, 1884; 2d Geol. Survey Penna., vol. PPP, p. 10, pi. 1, 



figs. 1-12. Chemung, 



socialis, Etheridge, Woodward & .Jones, 1885 ; 3d Rept. Comm. Fossil 



Phyllopoda Pal. Rocks, p. 35. 

 socialis. Hall & Clarke, 1888; Pal. New York, vol. 7, p. 174, pi. 30, 



figs. 1-12. 

 socialis, Etheridge, Woodward & Jones, 1888 ; 6th Rept. Comm. Foss. 



Phyllopoda, p. 8. 

 sublevis, Whitfield, 1880; Am. Jour. Sci., 3d series, vol. 19, p. 36, plate, 



figs. 4-6 (plate only with author's edition). Erie shales. 



Annals N. Y. Acad. Sci., Nov. 1889.— 2 



