PALEONTOLOGIC CONTRIBUTIONS I43 



16 Notes on Ordovician Trilobites. Illaenidae from the Black 



River Limestone near Ottawa, Canada. Annals Carnegie Museum, 

 v. 4, nos. 3, 4. 1908 



17 — Notes on Ordovician Trilobites. II. Asaphidae from the 



Beekmantown. Annals of the Carnegie Museum, v. 7, no. r. 1910 



18 Notes on Parallelism among the Asaphidae. Transactions 



of the Royal Society of Canada, 3d ser., v. 5, sec. 4, p. in. 191 1 

 19 Notes on Ordovician Trilobites. IV. New and Old Species 



from the Chazy. Annals of the Carnegie Museum, v. 7, no. 1, p. 60. 



1910 

 20 Trilobites in Zittel-Eastman, Text-book of Palaeontology, v. 



1, p. 692. 1913 



Notes on the Ontogeny of Isotelus gigas Dekay. Bull, of 



the Museum of Comparative Zoology at Harvard College, v. 58, no. 

 5- 1914 



22 Reed, F. R. Cowper. The Lower Palaeozoic Trilobites of the Girvan 



District, Airshire, pt 1. Palaeontographical Society, v. for 1903, 

 pt 2; ibid v. for 1904, pt 3; ibid, v. for 1906 



23 Blind' Trilobites. Geological Magazine, n. ser. v. 5. 1898 



24 On the Genus Trinucleus. ■ Geological Magazine, ser. 5, v. 



9. 1912 



25 Dionide atra. ibid. p. 200 



26 Salter, J. W. A Monograph of the British Trilobites. Palaeontograph- 



ical Society, 1864. Idem and Woodward, H. Ibid, 1867-84 



27 Schmidt, Fr. Revision der ostbaltischen Trilobiten. Memoires de 



l'Academie Imperiale des Sciences de St Petersbourg, 1882-1906 



28 Ulrich, E. O. The Lower Silurian Ostracoda of Minnesota. Geological 



and Natural History Survey of Minnesota. Palaeontology, v. Ill, pt 

 2. 1897 



29 Westergard, A. H. Studien ofver Dictyograptus skiffern etc. Meddelande 



fran Lunds Geologiska Faltklubb, ser. B., no. 4. 1909 



30 Zittel, K. A. Handbuch der Palaeontologie. Bd. 2, 1881-85 



