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Boston. — Proceedings of the Boston Society of Natural History. 

 T. 27, 1897, N° 14. 



— Proceedings of the American Academy of Arts and Sciences. 

 1897, t. XXXII, No 5-13. 



N" 10. H}att : Cycle in the life of the individual (ontogeuy) and in the évolution 

 of its own group (phylogeny), pp. 209-224. 



Cambridge. — Memoii^s of the Muséum of Comparative Zoology 

 at Harward Collège. T. XIX, N" 2, 1897, t. XX-XXI, 1897. et XXXI, 

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Wachsmuth et Springer : The North American Crinoidea camerata, 2 vol. avec 

 allas de 83 pi. 



Chicago. —Academy of Sciences. Bulletin, 1896, N» 1. — 39'*» 

 annual Report, 1896. 



— The Journal of Geology. T. V, 1897, No 5. 



F. Bursley Taylor : Moraines of recession and their signifîance in glacial theory, 

 pp. 42t-466. 



0. C. Farrington : The eruptive rocks of Mexico, pp. 467-478. 



Bullock Clark et A. Bibbins : The stratigraphy of the Potomac group in Mary- 

 land, pp. 479-O06, 6 fig. 



J. P. Smith : Comparative study of Palaeontology and Phylogeny, pp. 507 524, 1 pi. 



Denver. — Proceedings of the Colorado Society, avril et juin 1897. 



Avril. Hills : The Oscuro mounlain météorite, 4 p., 2 pi. 



Hamilton. — Journal and Proceedings of the Association, for 

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Grant : Notes on some récent additions to Ontario Palaeontology, pp. 20-33. 

 Grant : Local palaeonlological Notes in continuation, pp. 34-37. 



Minneapolis. — Geological and Natural History Survey of 

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— The Geology of Minnesota. I et II, 1872, 1882, 1884 et 1888, 

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— Id. — T. III, Paleontology, parts 1 et 2, 49 pi. et 167 fig., 1897. 



— The American Geologist, t. XIX, J897, Nos 3.5 gt t. XX, 

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Crosby et Fuller : Origin of Pegmatile, pp. 147-180, 3 pi. 

 Sardeson : The Galena and Maquokda séries, part. IV, pp. 180-190. 

 Tarr : Evidence of glacialion in Labrador and Bal'fin Land, pp. 191-197, 1 pi. 

 0. H. Ilershey : Fskers indicating stages of glacial recession in the Kansan 

 epoch in Northern Illinois, pp. 107-209 et pp. 237-253. 



