600 NEW YORK STATE MUSEUM 



Ehabdinopora flabelliformis Eiehwald. Leth. ross. 1860. p.369 



Non Dietyoneraa flab el li forme F. Roemer. Foss. Fauna v. Sadewitz. 



1861. p.32, pl.5, iig.4 ( = D . sadewitzense F. Roemer) 

 Dictyonema flabelliformis Tomquist. Luuds Unir. Arsskrift. 1865. t.2, 



III, 22, pl.l, fig.14: 

 Dictyonema norvegicum Kjerulf. Yeiviser etc. 1865. p.l, 2, fig.1-3 

 Dictyonema graptolithinum Kjerulf. Ibid, p.l, 3, lig.4r, 5 

 Dictyonema sociale Salter. Geol. Sur. Mem. 1866. 3:331, pl.4, fig.l 

 Dictyonema flabelliforme Malaise. Doc. pal. rel. au Terr. Camb. 



del'Ardenne. 1881 

 Dictyograptus flabelliformis Brogger. Die sil. Etagen 2 and 3, etc. 1882. 



p.30, pl.l2, fig.l7-]9 

 Dictyonema flabelliforme Tullberg. Bib. till K. Svenska Yet.- Akad. Handl. 



1882. Bd6, no.l3. 1880-82 

 Dictyonema flabelliforme Schmidt. Quar. Jour. Geol. Soc. 1882. p.517 

 Dictyonema flabelliforme Dawson. Rep't Peter Redpath Mus. McGill 



Univ. 1883. p.l6 

 Dictyonema sociale Lapwortli. Roy. Soc. Can. Proc. and Trans. 1887. 



4:168 

 Dictyonema flabelliforme Moberg. Sver. Geol. Und. Afh. och upps. 



1890. ser.C, no.l09, p.3 

 Dictyonema flabelliforme Matthew. Roy. Soc. Can. Proc. and Trans. 



1892. 9:34 

 Dictyonema flabelliforme Wiman. Geol. Inst. Upsala. Bui. 1895. no.4, 



V.2, pt2, p. 55, pl.lO, fig.l3, 14 

 Dictyonema flabelliforme Matthew. N. T. Acad. Sci. Trans. 1895. 



14:262, pl.49, fig.l, 2 

 Dictyonema flabelliforme Gurley. Jour. Geol. 1896. 4:292 

 Bryograptus? multii-amosus Gurley. Ihid. p.64 

 Dictyonema flabelliforme Freeh. Lethaea palaeozoica. 1897. 1:572, 



pl.2, iig.3a, 3b 

 Dictyonema flabelliforme Dale. U. S. Geol. Sur. 19th An. Rep't. 1899. 



pt3, p.l 85 

 Dictyonema flabelliforme Ruedemann. N. Y. State Paleontol. An. Rep't. 



1903. p.936 



Description. Rhabdosome a rapidly expanding cone, rate of expansion 

 such that in the compressed state the diameter at any place is about 

 equal to the distance of its center from the apex of the cone ; cone attain- 



