288 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [niTLL.87. 



Ortliis kaskiiskiensis M('Ohesiiey=J)erbyji kaskaskiaensis. 



Ortliis kassubic \\'incliell=Dalmaiiella snbaMiuata pervetus. 



Ortliis keimicotti McChesney=Dinortbis retrorsa. 



Ortbis keokuk Hall = Derby a keokuk. 



Ortbis bisallensis ^rcCbesney=Derbya crassa. 



Ortbis laticosta Meek = Platystropbia laticosta. 



Orthis (?) laticostata d'Orbigny. Devonian. 



Ortliis lacticostata d'Orbigny, Voyage dans rAinorl((iie Mf^ridionale, Pal., 1842, 



p. 39. 

 Loc. f Bolivia. 



Ortbis laurentina Biinngs=Billingsella? laureutina. 



Orthis lenticularis Wablenberg '?. Upper Cambrian. 



Orthis lenticnlaris (Wahl.) Kayser, PaLvontograpliica, Snppl., Ill, 1876, i).9, pi. 

 1, figs. 11, 12.— Matthew, Trans. Royal Soc. Canada, IX, 1892, p. 46, pi. 12, 

 figs. 9a-9d. 



Loc. Province Salta and .Tnjuy, Argentine Repnblic; near St. Jolin, New Bruns- 

 wick. 



Orthis lenticularis atrypoides Mattbew. Upper Cambrian. 



Orthis lenticnlaris var. atrypoides Matthew, Trans. Royal Soc. Canada, IX, 1892, 



p. 48, pi. 12, figs. 11a, lib. 

 Loc. Near St. John, New Brunswick. 



Orthis lenticularis lyncioides Matthew. Upper Cambrian. 



Orthis lenticularis var. lyncioides Matthew, Trans. Royal Soc. Canada, IX, 1892, 



p. 49, pi. 12, figs. lOa-lOc. 

 Loc. Near St. John, New Brunswick. 



Orthis lenticularis strophomenoides Matthew. Upper Cambrian. 



Orthis lenticularis var. strophomenoides Matthew, Trans. Royal Soc. Canada, IX, 



1892, p. 49, pi. 12, figs. 12a, 12b. 

 Loc. Near St. John, New Brunswick. 



Ortbis lenticularis Vaniixem=Dabnanella lenticularis. 

 Ortbis lentiformis Hall=Dalmanella lenticularis. 

 Ortbis lentiformis Owen = Scbizopboria striatula. 

 Orthis leonensis Hall=Dalmanella tenuilineata. 

 Orthis lepida Hall=Dalmanella lepida. 



Orthis (?) leptaenoides Emaious. Trenton (Ord.). 



Orthis leptfpnoides Emmons, Geol. N. Y. ; Rep. Fourth Dist., 1842, p. 396, fig. 1. 

 Loc. New York. 

 01)s. Undefined and figure too jyoor lor identificatio:i. 



Ortbis leucosia Hall=Khipidomella leucosia. 



Ortbis limitaris Vanuxem = Leiorbyncbus limitare. 



Orthis linneyi James =Ortborby nebula linneyi. 



Ortbis livia Billings=Ehipidomella livia. 



Orthis lonensis Walcott=Hebertella loneusis. 



Orthis loricula Hall=Dinortbis deliecta. 



Ortbis lucia Billings=Rhipidoniella lucia. 



Orthis lynx Eichwald=Platystrophia lynx and P. biforata. 



Ortbis maria Billings=Hebertel]a maria. 



Orthis mact'arlauii Meek=Schizopboria raact'arlanii. 



