360 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [hvll.si. 



Khynchonella mainensis Billings. Lower Ilelderberg (Dev.). 



Rhynchout'lla maiueusis Billiugs, Proc. Portland Soc. Nat. Hist., I, 18G3, p. 110, 



pi. 3, lig. 4. 

 Loc. Square Lake, Maine. 



Rhynchonella manflasensis ]\[()ricke. Jurassic. 



Rhyuchouella niantlasensis Muricke, Neues .Tahrl>. f. Mineral., Beilageband, IX, 



1894, p. 62, pi. 5, ligs. 7a-7c. 

 Loc. Manfla.s and Melon, Chile. 



Khyuclionella maDsoui Salter=Atrypa mansouii. 



Ebyuchoiiella marsliallensis A. Wiuchell=Camarot(Fchia marslialleusis. 



Rhjmchonella maudensis Whiteaves. Oetaceous. 



Rhynchonella maudensis Whiteaves, Mesozoic Fossils, f4eol. Surv. Canada, I, 



' 1884, p. 252, pi. 33, lig. 8. 

 Loc. Maud Island. 



Ehynchonella medea Billings. Corniferous (Dev.). 



Rhynchonella medea Billings, Canadian Jour., n. ser., V, 1860, p. 271; — Geol. 



Canada, 1863, p. 370, fig. 388. 

 Loc. Township of Rainham, Ontario, 



Rhynchonella medialis Simpson. Waverly (L. Garb.). 



Rhynchonella medialis Simpson, Trans. American Philosophical Soc, n. ser., 



XVI, 1889, p. 444, fig. 9. 

 Loc. Warren, Pennsylvania. 



Rhynchonella (?) metallica White. Upper Carboniferous. 



Rhynchonella metallica White, Wheeler's P]xp]. and Survey west 100th Merid., 

 Prel. Rep., 1874, p. 20;— Ibidem, Final Rep., IV, 1875, p. 129, pi. 10, fig. 10. 

 Loc. Lincoln County, Nevada. 

 Ohs. Probably an Uncinulus. 



Ehynchonella mica Billings=Zygospira mica. 



Rhynchonella (?) micropleura A. Winchell. Marshall (L. Carb.). 



Rhynchonella (Retzia?) micropleura A. Winchell, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1865, p. 122. 

 Loc. Battlecreek, Michigan. 



Ehynchonella minnesotensis Sardeson=Ehynchotrema inaequivalvis. 

 Ehynchonella missouriensis Shumard, fig. 5a (non 5b, 5c)=:Pugnax 



pugnus missouriensis. 

 Ehynchonella missouriensis Shumard, figs. 5b, 5c (non 5a)=Pugnax 



striaticostata. 



Rhynchonella multistriata Hall. Oriskany (Dev.). 



Rhynchonella multistriata Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, 



p. 85;— Pal. New York, III, 1859, p. 440, pi. 102, fig. 3; pi. 106, fig. 3. 

 Loc. Helderberg Mountains, New York. 



Ehynchonella mutabilis Hall=Uncinulus mutabilis. 

 Ehynchonella mutata Hall=Pugnax mutata. 



Rhynchonella myrina Hall and Whitfield. Jurassic. 



Rhynchonella species? Meek and Hayden, Smithsonian Cont. to Knowl., XIV, 



172, 1865, p. 71, pi. 4, fig. 3. 

 Rhynchonella myrina Hall and Whitfield, King's U. S. Geol. Expl. 40th Pari., 



IV, 1877, p. 284, pi. 7, figs. 1-5.— Whitfield, Powell's Geol. Geogr. Survey 



Rocky Mountain Region, 1880, p. 347, ]il. 3, figs. 6, 7. 

 Loc. Uinta Range, Utah; Black Hills, Dakuta. 



