INDEX. 



Page 

 Agassiz, Prof. L., Expedition of 356 



" " on a Fish Nest in Sea AVeed 354 



" *' on an existing Crustacean allied to the Trilobites 358 



Agraulos ajffinis, species described 473 



" socialis " " 472 



Anapolenufi venustus " 474 



Anderson Dr., on the Whale of the St. Lawrence 203 



Andrews T., President's Address by 160 



Arthraria antiquata, species described 467 



Asindella terranovica " " 478 



Bailey Prof. L. W., on the Geology of the Grand Manan 43 



Balsena mysticetus 206 



Barrande's " Colonies " reviewed by Dr. Nicholson 188 



" Letter on Vermont Trilobites 460 



" Letter on the Point Levis Fossils 462 



Billings E., on the Taconic Controversy 313 



" additional notes on 460 



" on a Question of Priority 330 



'' on a Fossil in the AVinooska Marble 351 



" on the genus Obolellina 326 



" on Primordial Fossils from Newfoundland 465 



" new species of Fossils 213 



Boulder-clay, Dawson on the 24 



British Association. — See Contents. 



Cambrian and Silurian, History of, by Dr. T. S. Hunt 281 



" Upper, " 281 



" Middle and Lower " 294 



" in North America, " 417 



Chironectes pictus, nest of 356 



Coal in Nova Scotia 61 



Crinoids, Wy\'ille Thomson on 345 



Cruziana similis, species described 469 



Carpenter Dr. P. P. on Choristes 392 



Choriates elegans, Carpenter, new genus and species described 392 



Dana, J. D., on the Legs of Trilobites 348 



" " award of the Wollaston Medal to 363 



" " on the true Taconic 479 



Dawson Dr. J. W., Annual Address by 1 



" " on the Post-pliocene of Canada 19, 166, 2il, 369 



Vol. VI. X No. 4. 



