BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 171 



Calyptograptus? radiatus Spencer. 



Calyptograptus radiatus Spencer, Canadian Nat., 10, 1882, p. 165 (nom. nud.); 



Trans. Acad. Sci., St. Louis, 4, 1884, p. 580, pi. 4, fig. 3; Bull. Mus. Univ. 



State Missouri, 1, 1884, p. 30, pi. 4, fig. 3.— Gurley, Jour. Geol., 4, 1896, pp. 



93, 308.— Bassler, Bull. U. S. Nat. Mus., 65, 1909, p. 40, fig. 51. 

 Niagaran dolomite: Hamilton, Ontario. 



Calyptograptus subrktiformis Spencer. See Dictyonema subretiforme and D. 

 polymorphum. 



CAMARELLA Billings. Genotype: C. volborthi Billings. 



Camarella Billings, Canadian Nat. Geo!., 4, 1859, p. 301; 6, 1861, p. 316.— Zittel, 

 Handb. Pal., 1, 1880, p. 692.— Waagen, Mem. Geol. Surv. India, Pal. Indica, 

 13th ser., 1, 1883, p. 412.— Walcott, Bull. U. S. Geol. Surv., 30, 1886, p. 122.— 

 Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p, 

 48.— Miller, N. A. Geol. Pal., 1889, p. 338; 2d App., 1897, p. 759.— Hall and 

 Clarke, Pal. New York, 8, pt. 2, 1893, p. 219; 13th Ann. Rep. New York State 

 Geol., 1895, p. 838. — Koken, Die Leitfossilien, Leipzig, 1896, p. 244. — 

 Huene, Verb. d. Russ.-Kais. Mineral Gesell. zu St. Petersburg, 38, 1900, p. 

 228, fig. 1.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 321.— Grabau 

 and Shimer, N. A. Index Fossils, 1, 1907, p. 271. — Schuchert, Zittel-Eastman 

 Textb. Pal., 1913, p. 394. 



Camarella ambigua (Hall). 



Atrypa ambigua Hall, Pal. New York, 1, 1847, p. 143, pi. 33, figs. 8, 9. — Emmons, 



Amer. Geology, 1, pt. 2, 1855, p. 190, pi. 10, figs. 8, 9, 8c. 

 Triplesia? ambigua Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 65.— 



Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1224, figs. 

 Camarella ambigua Miller, Amer. Pal. Foss., 1879, p. 107. 

 Trenton: Middle ville. New York. 



Camarella bernensis Sardeson. See Parastrophia hemiplicata. 



Camarella bisulcata Miller. See Cyclospira bisulcata. 



Camarella brevlplicata Billings. 



Camarella brevipUcata Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 304, 



fig. 295. 

 Canadian (Beekmantown) : Stanbridge, Quebec. 



Camarella calcifera Billings. See Syntrophia calcifera. 



Camarella congesta Nettelroth. See Hyattidina congesta. 



Camarella(?) costata Billings. 



Camarella? costata Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 305, fig, 296. 

 Canadian (Beekmantown): Stanbridge, Quebec. 



Camarella extans Lesley. See Triplecia extans. 



Camarella hemiplicata Billings. See Parastrophia hemiplicata. 



Camarella Inornata Weller. 



Camarella inornata Weller, Geol. Surv. New Jersey, Pal. 3, 1903, p. 157, pi. 10, 



figs. 8-10. 

 Black River (Jacksonburg) : Hainesburg, New Jersey. 



Camarella lenticularis Billings. See Parastrophia lenticularia. 



