GRAPTOLITES OF NEW YORK. PART 1 463 



1882 Tullberg, S. A. Skanes Graptoliter, I. Sver. Geol. Und. ser.C, no.50 



1883 Tdrnquist, S. L. Ofversigt ofver bergsbygnaden inom Siljansomradet i Dalarae. 



Sver. Geol. Und. ser.C, no.57 



1884 Spencer, J. W. Niagara Fossils, 1. Graptolitidae of the Upper Silurian System. 



M\is. Univ. Missouri. Bui. 



1885 Herrmann, M. O. Die Graptolithenfamilie Dichograptidae, Lapw., mit besonderer 



Beriieksichtigung von Arten aus dem norwegischen Silur. Nyt. Mag. Naturv. 

 29de Bind, p.l24 



1886 Lapworth, C. Preliminary Report on some Graptolites from the Lower Palaeozoic 



Rocks on the South Side of the St Lawrence. Roy. Soc. Can. Trans. 

 4:167-84 



1886 Herrmann, M. O. On the Graptolite Family Dichograptidae Lapworth. Geol. 



Mag. Dec. 3, 3 : 13 



1887 Lecrenier, A. Lettre, Ann. de la Soc. Geol. de Belg. Bui. 14 : 182 



1887 Malaise, C. Les schistes siluriens de Huy et lenr signilication. geologique. Ann. 



de la Soc. Geol. de Belg. Bui. 15 : 39 



1888 Ami, H. M. Systematic List of Fossils etc. Apx. to Ells's 2d Rep't Prov. Quebec. 



Geol. Nat. Hist. Sur. Can. ser.2. Rep't 1888. v.3, pt2, 116 Kff 



1889 On a Species of Goniograptus from the Levis Formation. Levis, Quebec. 



Can. Rec. Sci. v.3, no.7, p. 422-28 



1889 Marr, J, E. Notes on the Lower Palaeozoic Rocks of the Fichtelgebirge, Frank- 

 enwald and Thiiringerwald. Geol. Mag. Dec. 3, 6:441 



1889 Jaekel, O. Ueber das Alter des sogen. Graptolithengesteins rait besonderer 



Riicksicht auf die in deraselben enthaltenen Graptolithen. Zeitschr. d. deutsch. 

 geol. Gesellsch. 41 : 653 



1890 Holm, G. Gotlands Graptoliter. Bih. till K. Svenska Vet.-Akad. Handl. Bdl6, 



Afd.4, U0.7 

 1890 Tbrnquist, S. L. Undersokningar ofver Siljansomradets Graptoliter, I. Lunds 



Univ. Arsskrift, Bd26 

 1890 Nicholson, H. O. Note on the Occurrence ofTrigonograptus ensiformis 



Hall sp. and of a Variety of Didy m ogr ap tus v-f rac t u s Salter, in the 



Skiddaw Slates. Geol. Mag. new ser. Dec. 3, 7 :340 

 1890 Malaise, C. Sur les graptolites de Belgique. Acad. r. d. Belg. Bui. d. s. 20, p.440 

 1890 Moberg, J. C. Om en Afdelning inom Olands Dictyonema-skiffer. Sver. Geol, 



Und. Afh. och upps. ser.C, no.l09 



