664 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



ILL^JNUS INDETERMINATUS Raymond. See Bumastus limbatus. 

 ILLENUS INDETERMINATUS Walcott. See Bumastus indeterminatus. 

 ILLZ NUS INSIGNIS Hall. See Bumastus insignia. 

 ILUENUS (BUMASTUS) INSIGNIS Meek. See Illsenus springfieldensia. 

 ILKENUS loxus Chamberlin. See Bumastus ioxus. 



Illaenus latiaxiatus Raymond and Narraway. 



Illaenus latiaxiatus Raymond and Narraway, Ann. Carnegie Mus., 4, 1908, p. 243, 



pi. 60, figs. 4-8. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 295. 

 Black River: Tetreauville and Mechanicsville, near Ottawa, Canada; Patterson- 



ville and Newport, New York. 



Illaenus lathlorsatus Hall. 



Illaenus latidorsata Hall, Pal. New York, 1, 1847, p. 230, pi. 60, figs. 6a, b. 

 Trenton: Near Watertown, New York. 



ILLSJNUS MADISONIANUS Whitfield. See Bumastus niagarensis. 



ILLAENUS MADISONIANUS var. DEPRESSA Foerste. See Bumastus niagarensis. 



ILLAENUS MADISONIANUS var. ELONGATUS Foerste. See Bumastus niagarensis. 



ILLAENUS MILLERI Billings. See Bumastus milleri. 



IT.T./KNUS (NILEUS) MINNESOTENSIS Foerste. See Nileus vigilans. 



ILLJBNUS NIAGARENSIS Whitfield. See Bumastus niagarensis. 



ILLJENUS ORBICAUDA Billings. See Bumastus orbicaudatus. 



ILL^JNUS ORBICAUDATUS Billings. See Bumastus orbicaudatus. 



ILL.ENUS OVATUS Hall. See Thaleops ovata. 



ILLENUS PTEROCEPHALUS Whitfield. See Thaleops? pterocephalus. 



Illaenus punctatus Raymond. 



Illaenus punctatus Raymond, Annals Carnegie Mus., 3, 1905, p. 347, pi. 13, fig. 10; 



7th Rep. Vermont State Geol., 1910, p. 226, pi. 35, fig. 10. 

 Chazyan (Crown Point, Valcour) : Crown Point and Valcour Island, New York. 



Illaenus simulator Billings. 



Illsenus simulator Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 327, fig. 



315a, b. 

 Canadian (Beekmantown) : Stanbridge, Quebec. 



Illaenus springfleldensis Meek. 



Illamus (Bumastus) insignis? Meek, Pal. Ohio, 1, 1873, p. 189, figs. A, B, pi. 15, 



figs. 5a, c. 



Illaenus springfieldensis Meek, Pal. Ohio, 1, 1873, p. 129. 

 Niagaran (Guelph): Springfield, Ohio. 



ILL^INUS TAURUS Hall. See Illaenus americanus. 



Illaenus transversalis Weller. 



Illaenus transversalis Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 



1907, p. 224, pi. 16, figs. 7-9. 

 Niagaran (Racine): Bridgeport, Illinois. 



