688 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Labecnia delicatula Parks. 



Labechia delicatula Parks, Univ. Toronto Studies, Geol. Ser., No. 5, 1908, p. 



32, pi. 9, figs. 4-6 



Clinton (Osgood) : Osgood, Indiana. 

 CotypesC&t. No. 41218, U.S.N.M. 



Labechia durhamensis Parks. 



Labechia durhamensis Parks, Univ. Toronto Studies, Geol. Ser., No. 4, 1907, 



p. 20, pi. 2, figs. 4-6; pi. 3, fig. 1; pi. 6, figs. 1, 2. 

 Niagaran (Guelph): Durham, Guelph, etc., Ontario. 



LABECHIA HURONENSIS Whiteaves. See Stromatocerium huronense. 



Labechia macrostyla Parks. 



Labechia macrostyla Parks, Univ. Toronto Studies, Geol. Ser., No. 7, 1910, p. 



25, pi. 22, fig. 12; pi. 23, figs. 1, 2, 11. 

 "Lower Trenton drift": Ann Arbor, Michigan. 

 Holotype.G&t. No. 36929, U.S.N.M. 



Labechia mlnora Parks. 



Labechia minora Parks, Univ. Toronto Studies, Geol. Ser., No. 4, 1907, p. 22, 



pi. 3, figs. 2, 5, 6. 

 Niagaran (Guelph): Elora, Durham, etc., Ontario. 



LABECHIA MONTIFERA Ulrich. See Stromatocerium montiferum. 

 LABECHIA OHIOENSIS Nicholson. See Stromatocerium huronense. 

 LABECHIA PAPILLATA of authors. See Dermatostroma papillatum. 

 LABECHIA SCABRA Harper and Bassler. See Dermatostroma scabrum. 



Labechia subcylindrica (James). 



Stromatopora subcylindrica James, Jour. Cincinnati Soc. Nat. Hist., 7, 1884, 



p. 20, fig. 1. J. F. James, ibid., 9, 1887, pp. 39, 103, 251; ibid., 15, 1892, p. 



90. Miller, N. A. Geol. Pal., 1889, p. 166. 

 Labechia subcylindrica Parks, Univ. Toronto Studies, Geol. Series, No. 7, 1910, 



p. 27, pi. 23, figs. 3, 4, 6, 7. 

 Richmond ( Waynesville) : Near Morrow, Ohio. 



LABTRINTHITES Lambe. Genotype: L. chidlensis Lambe. 



Labyrinthites Lambe, Cruise of the " Neptune," App. 4, 1906, p. 327. 



Labyrinthites chidlensis Lambe. 



Labyrinthites chidlensis Lambe, Cruise of the "Neptune," App. 4, 1906, p. 328. 

 Ordovician?: Cape Chidley, Hudson Strait, Arctic America. 



LACCOPHYLLUM Simpson. Genotype: L. acuminatum Simpson. 



Laccophyllum Simpson, Bull. New York State Mus., 39, 1900, p. 201. 



Laccophyllum acuminatum Simpson. 



Laccophyllum acuminatum Simpson, Bull. New York State Mus., 39, 1900, p. 



202, figs. 7-9. 

 Niagaran (Brownsport): Perry County, Tennessee. 



LAGENOGRAPTUS Hall. See Monograptus Geinitz . 

 LAMELLOPORA Owen. See Strombodes Schweigger. 



