318 CALIFORNIA ACADEMY OF SCIENCES. 



LICHAS. 



Paradoxides boltoni Greeu, 1832; Monthly Am. Jour. Geol., etc., 



vol. J, p. 560, pi. 1, fig. 5. 

 Paradoxides boltoxi Green, 1832; Mon. Tril. North America, p. 60, 



pi. 1, fig. 5. 

 Paradoxides boltoni Harlan, 1834; Trans. Geol. Soc. Penn., vol. 



1, p. 103. 

 Paradoxides boltoni Harlan, 1835; Med. and Phys. Researches, 



p. 303. 

 Platynotus boltoni Con., 1838, Eep. Pal. Dept. Geol. Survey New 



York, p. 118. 

 Arctinurus boltoni Cast., 1843; Sys. Sil. del'Amer., p. 21, pi. 3, fig. 3. 

 BOLTONI Hall, 1852; Pal. New York, vol. 2, p. 311, pi. 69; pi. 70, figs. 



1 a-i. 

 BOLTONI M. & W., 1875, Geol. Survey Illinois, vol. 6, p. 508, pi. 25, 



fig. 5. 

 BOLTONI var. occiDENTALLS Hall, 1863; Trans. Albany Inst., vol. 4, p. 



223; abstract, p. 29. 

 BOLTONI var. occiDENTALis Hall, 1875; 28th Rep. New York State Mus. 



Nat. Hist. Expl., p. 34, figs. 8-11. 

 BOLTONI var. OCCIDENTALIS Hall, 1879; 28th Rep. New York State Mus. 



Nat. Hist., p. 198, pi. 34, figs. 8-11. 

 BOLTONI var. OCCIDENTALIS Hall, 1883; 12th Ann. Rep. Dept. Geol. 



Nat. Hist. Indiana, 1882, p. 334, pi. .36, figs. 8, 11, 12(?). 

 BOLTONI var. OCCIDENTALIS Focrste, 1889; Proc. Boston Soc. Nat. 



Hist., vol. 24, p. 272. 

 BREViCEPS Hall, 1863; Trans. Albany Inst., vol. 4, p. 222; abstract p. 



28. New York and Indiana. Niagara. 



BEEVICEPS H. & W., 1875; Pal. Ohio, vol. 2, p. 156, pi. 6, fig. 17. 



BREVICEPS Hall, 1875; 28th Rep. New York State Mus. Nat. Hist. 



Expl., pi. 34, figs. 1-7. 

 BREVICEPS Hall, 1879; 28th Rep. New York State Mus. Nat. Hist., p. 



197, pi. 34, figs. 1-7. 

 BREVICEPS Hall, 1883; 12th Ann. Rep. Dept. Geol. Nat. Hist. Indiana, 



1882, p. 343, pi. 36, figs. 1-7. 

 BREVICEPS Foerste, 1885; Bull. Denison Univ., vol. 1, p. 112, pi. 13, 



figs. 2, 6 a, b. Clinton. 

 BREVICEPS Foerste, 1887; Bull. Denison Univ., vol. 2, p. 98, pi. 8, 



figs. 18, 19. Not Lichas breviceps Hall, 1867; 20th Rep. New 



York State Cab. Nat. Hist., p. 377, pi. 21, figs. 12-14; also rev. 



ed., 1). 424, pi. 21, figs. 12-14. (See Lichas emarginatus.) 

 CANADENSIS Bill., 1866; Catalogue Sil. Foss. Anticosti, p. 65, fig. 22. 



East Point, Div. 3. 

 CHAMPLAiNENSis Wliitf., 1886; Bull. Am. Mus. Nat. Hist. New York, 



vol. 1, No. 8, p. 342, pi. 23, figs. 6-8. Isle La Motte, Lake Cham- 

 plain, N. Y. Birdseye. 



