140 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Bumastus armatus Continued. 



Illaenus (Bumastus) armatus Salter, Mon. Brit. Tril., Pal. Soc., 1867, p. 209, fig. 54. 

 Illsenus (Bumastus) worthenanus Winchell and Marcy, Mem.. Boston Soc. Nat. 



Hist., 1, 1865, p. 105, 109. 

 Niagaran: Bridgeport, Illinois; Racine, etc., Wisconsin (Racine); Waldron, 



Indiana (Waldron); Georgetown and Wabash, Indiana. 



BUMASTUS BARRIENSIS Hall. See Bumastus ioxus. 



Bumastus beckeri Slocom. 



Bumastus beckeri Slocom, Field Mus. Nat. Hist., Geol. Ser., 4, 1913, p. 54, pi. 14, 



figs. 1-4. 

 Richmond (Maquoketa): Clennont, Iowa. 



Bumastus bellevillensis Raymond and Narraway. 



Bumastus bellevillensis Raymond and Narraway, Ann. Carnegie Mus., 4, 1908, 



p. 253, pi. 61, figs. 6, 7. 

 Trenton: Belleville, Canada. 



Bumastus billingsi Raymond and Narraway. 



Cf. Bumastus trentonensis Emmons, Geol. New York, Rep. 2d Dist., 1842, 



p. 290, fig. 1. 



Cf. Illsenus trentonensis Hall, Pal. New York, 1, 1847, p. 230, pi. 60, fig. 5. 

 Cf. Bumastus orbicaudatus Clarke, Geol. Minnesota, 3, 1897, p. 722, fig. 36. 

 Bumastus billingsi Raymond and Narraway, Ann. Carnegie Mus., 4, 1908, p. 



250, pi. 61, figs. 1, 2. Raymond, Bull. Victoria Memorial Mus., 1, 1913, 



p. 34, pi. 3, fig. 12. 

 Trenton: Hull, Quebec, and vicinity. 



Observation. See Raymond and Narraway (1908) for a discussion of the syn- 

 onyms of this species. 



Bumastus chicagoensis (Weller). 



Illsenus chicagoensis Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 



1907, p. 220, pi. 16, figs. 10-12. 

 Niagaran (Racine): Bridgeport, Illinois. 



Bumastus cuniculus (Hall). 



Illsenus cuniculus Hall, 20th Rep. New York State Cab. Nat. Hist, 1868, p. 377, 

 pi. 22, fig. 12; rev. ed., 1870, p. 421, pi. 22, fig. 12. Weller, Bull. Chicago 

 Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 1907, p. 219, pi. 19, figs. 1-6. 



Niagaran (Racine): Hawthorne, Illinois; Wauwatosa, Wisconsin. 



Bumastus elongatus Weller. 



Bumastus elongatus Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 195, pi. 14, 



fig. 15. 

 Trenton: Near Springdale, New Jersey. 



Bumastus erastusi (Raymond). 



Illsenus erastusi Raymond, Ann. Carnegie Mus., 3, 1905, p. 351, pi. 13, figs. 8, 9. 

 Bumastus erastusi Raymond, Ann. Carnegie Mus., 7, 1910, p. 71; 7th Rep. State 



Geol. Vermont, 1910, p. 229, pi. 35, figs. 8, 9. 



Illsenus crassicauda? Hall, Pal. New York, 1, 1847, p. 24, pi. 4 bis, fig. 13. 

 Chazyan: Valcour Island and Chazy, New York; Isle La Motte, Vermont (Crown 



Point, Valcour); Mingan Islands, Canada (Mingan). 



Bumastus globosus (Billings). 



Illsenus globosus Billings, Canadian Nat. Geol., 4, 1859, p. 367, figs. 1-3; Geol. 

 Canada, Geol. Surv. Canada, 1863, p. 133, figs. 64, a-c. Miller, N. A. Geol. 

 Pal., 1889, p. 551, text figs. 1015-16. Raymond, Annals Carnegie Mus., 

 1905, p. 350, pi. 13, figs. 6, 7. Grabau and Shinier, N. A. Index Fossils, 2, 

 1910, p. 294, figs. 1605, a. c. 



