250 CAMBEIAN BRACHIOPODA. 



319 [Geol. Survey Canada]. (See 319i; may be same locality.) Lower Ordovician: Limestone No. 1 of Billings's 

 Point Levis section, Point Levis, Province of Quebec, Canada. 

 ^''Elkania ida. 

 *Acrotreta ovalis. 



The follo^ving species are quoted from this locality by Billings, Paleozoic Fossils, vol. 1: 



Metoptoma venillia (p. 88). 

 *Orthis ? apicalis (p. 301). 

 *Agnostus canadensis (p. 397). 

 *Agnostus orion (p. 397). 

 .*Conocephalites zenkeri (p. 398). 

 *Arionellus cylindricus (p. 406). 

 *Arionellus subclavatus (p. 406). 

 *Menocephalus globosus (p. 408). 

 *Menocephalus sedgwicki (p. 407). 

 *Dikellocephalus belli (p. 403). 

 *Dikellocephalu8 cristatus (p. 404). 



*Dikellocephalus hisingeri (p. 196). 

 *Dikellocephalua magnificus (p. 399). 

 *Dikellocephalus megalops (p. 403). 

 *Dikellocephalus oweni (p. 402). 

 *Dikellocephalus pauper (p. 200). 

 *Dikellocephalus planifrons (p. 401). 

 *Dikellocephalus selectus (p. 199). 

 *Dikellocephalus sesostris (p. 198). 

 *Bathyurus armatus (p. 411). 

 *Bathyurus capax (p. 409). 

 *Bathyiu:us dubius (p. 410). 



319a (references follow species). Lower Ordovician; Levis shales, Point Levis, Province of Quebec., Canada. 



*Lingulella Irene [Billings, 1862b, p. 72]. 

 '*Elkania desiderata [U. S. National Museum and Billings, 

 1862b, p. 70]. 



*Acrothele levisensis (Geol. Survey Canada). 

 Lingulella sp. undt. (U. S. National Museum). 



319b [U. S. National Museum]. Lower Cambrian: Conglomeratic limestones containing Olenellus?, St. Simon, 

 Rimouski (?) County, Province of Quebec, Canada. 



Bicia gemma. 

 Obolella crassa. 

 *Obolella crassa elongata. 

 *Acrothele sp. undt. a. 



Billingsella salemensis occurs at the same locality as the specimens mentioned above, but its stratigraphic posi- 

 tion is not known. 



Hyolithes americanus Billings. 



Olenellus?. 



Agraulos redpathi Walcott. 



319c [Billings, 1862b, p. 69]. Ordovician: Shales at Cape Rouge, above Quebec, Province of Quebec, Canada. 

 -Acrothele pretiosa. 



319d [Billings, 1865a, p. 301]. Upper Cambrian: Limestone bowlder in Lower Ordovician conglomerate. Point 

 Levis, Quebec, Canada. 

 *Lingulella iris. 



319e (references follow species). Lower Cambrian: Sandy shales about 2 miles (3.2 km.) east of Swanton, Pranklin 

 County, Vt. (See Locality 25a; the only known locality is nearly 2 miles east of Swanton, and Locality 

 319e has therefore been entered as 2 miles, though Billings gives it as 1.5 miles.) 

 Kutorgina cingulata [Billings, 1861b, p. 9]. 

 *Nisusia festinata [Billings, 1861b, p. 10]. 

 '*Swantonia antiquata [U. S. National Museum and Billings, 1861b, p. 11]. 



319f [IT. S. National Museum]. Lower Ordovician: Drift bowlder of sandstone found near St. Albans, Franklin 

 County, Vt. The lithologic characters of the matrix in which this species was found point to the arenaceous 

 limestones of the Phillipsburg formation just north of the boundary between the United States and Canada 

 as the source of the bowlder. 

 '*Billingsella dice. 



319g [Whitfield, 1884, p. 144]. Lower Cambrian: Shales at Parker's quarry, near Georgia, Franklin County, Vt. 

 ■ *Billingsella orientalis. 

 Olenellus thompsoni. ^ 



319h [U. S. National Museum]. Lower Cambrian: Limestone bowlders in conglomerate at Metis, on the St. Law- 

 rence, below Quebec, Canada. 

 Billingsella salemensis. I Olenellus? sp. 



Hyolithellus micans (Billings). | Ptychoparia metisensis Walcott. 



319i [Billings, 1862b, p. 71, and Geol. Survey Canada]. (See 319; may be same locality.) Lower Ordovician: 

 Limestone at Point Levis, Province of Quebec, Canada. 

 lElkania ida. 



