234 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [Brix.87. 



Iphidea bella Billings — Continued. 



p. 100, i>l. 7, tig. 4;— Tenth Ann. Rep. U. S. Geol. Survey, 1891, p. 608, pi. 67, 

 lig. (;.— Hall and Clarke, Pal. New York, VIII, Ft. 1, 1892, p. 98, lig. 54, pi. 4, 

 figs. 8, 9. 

 Loc. Trois Pistoles, below Quebec, Canada; Anse an Loup, Labrador. 



Iphidea crenistria Walcott. ^liddle Cambrian. 



Iphidea crenistria Walcott, I'roc. U. S. National Mus., XIX, 1897, p. 71H, pi. 59, figs. 



4-4b. 

 Loc. (irand Canyon of tlie Colorado. 



Iphidea labradorica (Billings). ' Lower Cambrian. 



Obolus lubradoricns Billings, Geol. Vermont, II, 1861, p. 946, fig. 345;— Pal. Fos- 

 sils, I, 18(;i, p. (J, lig. 6;— Geol. of Canada, 1863, p. 284, fig. 291. 



Kutorgina labradorica Walcott, Bull. U. S. Geol. Survey, 30, 1886, p. 104, pi. 9, 

 fig. 2;— Tenth Ann. Ke].. U. S. Geol. Survey, 1891, p. 609, pf. 69, fig. 3. 



Paterina labradorica Beeclier, Ainericau Jour. Sci., 3d ser., XLI, 1891, ])p. 345, 

 356, pi. 17, tigs. 1, 2. 



Loc. Anse an Loup. Straits of Belle Isle, Labrador; Conception Bay, New- 

 foundland. 



Iphidea labradorica swantonensis Walcott. Lower Cambrian. 



Kutorgina labradorica var. swantonensis Walcott, Proc. U. S. Nat. Mus., XII, 



1889. p. 36;— Tenth Ann. Rep. U. S. Geol. Survey, 1891, p. 609,id.69, fig. 2. 

 Loc. East of Swanton and Highgate Springs, Vermont. 



Iphidea logani Walcott. Middle Cambrian. 



Iphidea logani Walcott, Proc. U. S. National Mus., XIX, 1897, p. 711, pi. 59, figs. 



2-2b. 

 Lor. Trois Pistoles, Quebec, Canada. 



Iphidea ornatella Hall and Clarke=I. superba. 



Iphidea pannulus (White). Lower and Middle Cambrian. 



Trematis pannulus White, Wheeler's Expl. Survey west 100th Merid., Prel. Rep., 



1874, p. 6. 

 Treuiatis? pannulus White, Ibidem, Final Rep., IV, 1875, p. 36, pi. 1, fig. 4. 

 Kutorgina pannula Walcott, Bull. U. S. Geol. Survey, 30, 1886, p. 105, pi. 7, fig. 3; 



pi. 8, fig. 2;— American Jour. Sci., 3d ser., XXX1\', 1887, p. 190, pi. 1, fig. 14;— 



'i'enth Ann. Rep. U. S. Geol. Survey, 1891, p. 609, pi. 69, fig. 5. 

 Loc. Pioche, Nevada; Wasatch Mountains, Utah; Mount Stephan and Castle 



Mountain, British Colnmbia; Washington Countj^, New York; Island of 



Orleans in the Sillery conglomerate. 



Iphidea pealei Walcott. Middle Cambrian. 



Ijibidea pealei Walcott, Proc. U. S. National Mus., XIX, 1897, p. 712, pi. 59, figs. 



3-3c. 

 Loc. Near Hillsdale, Montana. 



Iphidea prospectensis Walcott. Lower Cambrian. 



Kutorgina prospectensis Walcott, Mon. U. S. Geol. Survey, VIII, 1884, p. 19, pi. 9, 

 fig. 1;— Bull. U. S. Geol. Survey, 30, 1886, p. 106, pi. 9, fig. 3;— Tenth Ann. 

 Rep. r. S. Ge(d. Survey, 1891, p. 610, pi. 69, fig. 4. 



Loc. Eureka district, Nevada. 



Iphidea sculptilis Meek. Upper Cambrian. 



Iphidea (?f) sculptilis Meek, Sixth Ann. Rep. U. S. Geol. Survey Territories, 



1873, p. 479. 

 Micromitra sculptilis Meek, Ibidem, 1873, ]>. 479. 

 Kutorgina niinutissima Hall and Whitfield, King's U. S. Geol. Expl. 40th Pari., 



IV, 1877, p. 207, pi. 1, figs. 11, 12. 



