North American Palseozoic Crustacea. 25 



Balthica, var. arctica (Jones), Salter, 1852 ; Appendix Sutherland's Jour. 



Voyage Baffin's Bay, vol. 2, p. ccxxi, pi. 5, fig. 13. 

 Balthica, var. arctica (Jones), Salter, 1853 ; Quart. Jour. Geol. Soc. 



London, vol. 9, p. 314. 

 argeuta, Walcott, 1886 ; Bull. U. S. Geol. Survey, No. 30, p. 146, pi. 8, 



fig. 5. Middle Cambrian, 



hivertex, Ulrich, 1879 ; Jour. Cincinnati Soc. Nat. Hist., vol. 2, p. 11, 



pi. 7, figs. 5, 5 a. Hudson River, 



bivia, White, 1874; Rept. Invert. Foss., U. S. Geog. & Geol. Survey W. 



100th Mer., p. 11. Quebec, 



bivia, White, 1877 ; U. S. Geog. & Geol. Survey W. 100th Mer., Palseont., 



vol. 4, p. 58, pi. 3, figs. 7a-d. 

 bivia, Walcott, 1884 ; U. S. Geol. Survey Monographs, vol. 8, p. 88. 

 Byruesi, Miller, 1874; Jour. Cincinnati Soc. Nat. Hist., vol. 1, p. 123, 



fig. 10. Hudson River, 



caecigena, Miller, 1881 ; Jour. Cincinnati Soc. Nat. Hist., vol. 4, p. 262, 



pi. 6, figs. 5, 5 a. Hudson River. 



Canadensis, Jones, 1858 ; Annals & Mag. Nat. Hist., 3d series, London, 



vol. 1, p. 244, pi. 9, figs. 11—15 ; var. nana and labrosa. 



Chazy and Trenton. 

 Canadensis, Jones, 1858; Geol. Survey Canada, Dec. 8, p. 92; var. nana, 



pi. 11, figs. 6, 7, 9, 10 ; var. lahrosa, pi. 11, fig. 8. 

 Canadensis, Jones, 1881; Annals & Mag. Nat. Hist., 5th series, London, 



vol. 8, p. 343, and p. 345, pi. 20, fig. 5. 

 Canadensis, Jones, 1884; Annals & Mag. Nat. Hist., 5th series, vol. 14, 



p. 340. 

 Canadensis, var. Pauquettiana, Jones ; see L. Louckiana. 

 Compare L. turgida, L. concinnula, and L. ventralis. 



Ci/there carbonaria. Hall, 1856 ; Trans. Albany Inst., vol. 4, p. 33. Warsaw, 

 carbonaria, Whitfield, 1882; Bull. Am. Mus. Nat. Hist. N. Y., vol. 1, 



p. 94, pi. 9, figs. 24-27. 

 carbonaria. Hall, 1883; 12th Ann. Rept. Dept. Geol. Nat. Hist. Indiana, 



p. 375, pi. 32, figs. 24-27. 

 capax, Safford ; Geol. Tennessee ; not defined. 



Cayuga, Hall, 1861 ; Description New Species Fossils, p. 83. Corniferous. 

 Cayuga, Hall, 1862; 15th Rept. New York State Cab. Nat. Hist., p. 111. 

 concinnula, Billings, 1865 ; Pal. Fossils, vol. 1, p. 299. Quebec, 



crepiformis, Ulrich, 1879 ; Jour. Cincinnati Soc. Nat. Hist., vol. 2, p. 10, 



pi. 7, figs. 3, 3 a. Hudson River. 



(fsochilina') cylindrica. Hall ; see IsocMUna cylindrica. 

 dermatoides, Walcott, 1887 ; Am. Jour. Sci., 3d series, vol. 34, p. 192, 



pi. 1, figs. 13, 13 a. Cambrian, 



faba. Hall, 1876 ; 28th Rept. New York State Mus. Nat. Hist., Expl. pi. 32, 



figs. 1-3. Niagara, 



faba. Hall, 1879 ; 28th Rept. New York State Mus. Nat. Hist., p. 186, 



pi. 32, figs. 1-3 (2d ed.). 

 faba. Hall, 1882 ; 11th Ann. Rept. Dept. Geol. Nat. Hist. Indiana, p. 331, 



pi. 34, figs. 1-3. 



