424 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Dictyonema fiabelliforme Continued. 



Canadian (Dictyonema flabelliforme bed): Esthonia, Russia, Sweden, Wales, 

 Belgium, etc.; slate belt of Rensselaer and Washington Counties, New York; 

 Vermont; St. John Basin, New Brunswick. 



DICTYONEMA FLABELLIFORME var. ACADICUM Matthew. See Dictyonema flabelliforme. 



DICTYONEMA FLABELLIFORME var. CONFERTUM Matthew. See Dictyonema flabel- 

 liforme. 



DICTYONEMA FLABELLIFORME DESMOGRAPTUS Hahn. See Dictyonema flabelliforme. 

 DICTYONEMA FLABELLIFORME NORVEGICA Hahn. See Dictyonema flabelliforme. 

 DICTYONEMA FLABELLIFORME RUEDEMANNI Hahn. See Dictyonema flabelliforme. 



Dictyonema furclferum Ruedemann. 



Dictyonema n. sp. Ruedemann, New York State Pal., Ann. Rep., 1902, p. 570. 

 Dictyonema furciferum Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, 



pp. 606, 607, pi. 3, fig. 11, text fig. 28. 



Callograptus grabaui Hahn, Annals New York Acad. Sci., 22, 1912, p. 142, figs. 

 Canadian: Deepkill, Rensselaer County, New York (Deepkill, Tetragraptus and 



D. bifidus zones); Bellefonte, Pennsylvania (base of Stonehenge); Point 



Levis, Quebec (Levis Diplograptus dentatus zone). 



Dictyonema gracile Hall. 



Gorgonia? Hall, Geol. New York, 4th Dist., 1843, p. 115, fig. 42. 



Dictyonema gracilis Hall, Pal. New York, 2, 1852, p. 175, pi. 40G, fig. la-d. 

 Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, pi. 7, fig. 2. 

 Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 225. Rominger, 

 Geol. Surv. Michigan, 1, pt. 3, 1873, p. 44. Lesquereux, Geol. Surv. Indiana, 

 13th Rep., 1883, p. 30. Pocta, Syst. Sil. Centre Boheme, 8, 1894, p. 193. 

 Gurley, Jour. Geol., 4, 1896, p. 308. Grabau and Shimer, N. A. Index Fossils, 

 1, 1906, p. 25, fig. 34. Ruedemann, Mem. New York State Mus., 11, pt. 2, 

 1908, p. 157, pi. 1, fig. 5, text figs. 65-68. 



Clinton (Rochester): Lockport, etc., New York; Ontario. 



DICTYONEMA GRACILIS Spencer. See Dictyoncma crassibasale. 



Dictyonema grande Nicholson. 



Dictyonema grandis Nicholson, Ann. Mag. Nat. Hist., 4th Ser., 11, 1873, p. 134, 



fig. 1. 

 Canadian (Levis): Point Levis, Quebec. 



DICTYONEMA GRAPTOLITHINUM Kjerulf. See Dictyonema flabelliforme. 

 DICTYONEMA HISINGERI Goppert. See Dictyonema flabelliforme. 



Dictyonema irregulare Hall. 



Dictyonema irregularis Hall, Geol. Surv. Canada, dec. 2, 1865, p. 136, pi. 20, 



figs. 1, 2. Hoek, Neues Jahrb. Min., Geol., Pal., 34, 1912, p. 225, pi. 2, 



figs. 3-5. 

 Canadian: Point Levis, Quebec (Levis, Diplograptus dentatus zone); Bolivia. 



DICTYONEMA IRREGULARIS James. See Dictyonema arbusculum. 



Dictyonema multiramosuin Ruedemann. 



Dictyonema multiramosum Ruedemann, Bull. New York State Mus., 162, 1912, 



p. 78, pi. 2, fig. 16. 

 Trenton (Schenectady): Rotterdam Junction, New York. 



