586 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Halysites catenularia Continued. 



Nat. d. Corall., 3, 1860, p. 289. Goldfuss, Petrefacta, 2d ed., pt. 1, 1862, 

 p. 70. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 271, fig. 

 Sardeson, Neues Jahrb. Min., Geol. Pal., Beilage-Band, 10, 1896, p. 273. Say, 

 Bull. Amer. Pal., 1, 1896, p. 282 (reprint). 



Silurian: A widely distributed species in all divisions of the Silurian in Europe 

 and North America. 



Halysites catenularia amplitubulatus Lambe. 



Halysites catenularia var. amplitubulata Lambe, Contr. Canadian Pal., Geol. 



Surv. Canada, 1899, p. 71, pi. 4, figs. 4, 4a. 

 Silurian or Helderbergian: L'Anse a la Barbe and L'Anse au Gascon, Quebec. 



Halysites catenularia feildeni (Etheridge). 



Halysites catenulatus var. Feildeni Etheridge, Quart. Jour. Geol. Soc. London, 



34, 1878, p. 582, pi. 28, fig. 1. 

 Niagaran: Cape Hilgard, Arctic America. 



HALYSITES CATENULARIA var. GRACILIS Whiteaves. See Halysites gracilis. 



Halysites catenularia harti (Etheridge). 



Halysites catenulatus var. Harti Etheridge, Quart. Jour. Geol. Soc. London, 34, 



1878, p. 583, pi. 28, fig. 2. 

 Niagaran: Cape Frazer, Arctic America. 



Halysites catenularia microporus (Whitfield). 



Halysites catenulatus var. microporus Whitfield, Geol. Wisconsin, 4, 1882, p. 272. 



pi. 13, fig. 6. 

 Halysites catenularia var. micropora Lambe, Cont. Canadian Pal., Geol. Surv. 



Canada, 4, pt. 1, 1899, p. 70, pi. 3, fig. 4. 

 Silurian (Racine, Guelph, and Cataract): Bailey's Harbor, etc., Wisconsin; 



Ontario. 



Halysites catenularia nitidus Lambe. 



Halysites catenularia var. nitida Lambe, Contr. Canadian Pal., Geol. Surv. 



Canada, 1899, p. 71, pi. 4, figs. 2a, 2b. 

 Silurian or Helderbergian: L'Anse a la Barbe, Baie des Chaleurs, and Neigette 



Falls, near Rimouski, Quebec. 



Halysites catenularia quebecensis Lambe. 



Halysites catenularia var. Quebecensis Lambe, Cont. Canadian Pal., Geol. Surv. 



Canada, 4, pt. 1, 1899, p. 69, pi. 4, figs. 1, la, b. 

 Black River or Richmond: Lake St. John, Quebec. 



HALYSITES CATENULATUS of authors. See Halysites catenularia. 

 HALYSITES CATENULATUS var. GRACILIS Schuchert. See Halysites gracilis. 

 HALYSITES CATENULATUS var. LABYRINTHICUS Whitfield. See Halysites labyrinthicus. 

 HALYSITES CATENULATUS NEXUS Foerste. See Halysites labyrinthicus. 



Halysites compactus Rominger. 



Halysites compactus Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 79, pi. 29, 

 fig. 3. Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 2 (loc. 

 occ.). Lambe, Cont. Canadian Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 71, 

 pi. 4, figs. 5, 5a, 6-8a. Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 

 1906, p. 292. 



