REGIUS PROFESSOR OF NATURAL HISTORY, LECTURER ON MINERALOGY, AND KEEPER OF THE MUSEUM IN THE UNIVERSITY OF EDINBURGH; Fellow of the Royal Societies of London and Edinburgh; of the Antiquarian, Wernerian and Horticultural Societies of Edinburgh; Honorary Member of the Royal Irish Academy, and of the Royal Dublin Society; Fellow of the Linnean and Geological Societies of London; Honorary Member of the Asiatic Society of Calcutta ; of the Royal Geological Society of Cornwall, and of the Cambridge Philosophical Society; of the York, Bristol, Cambrian, Northern, and Cork Institutions; of the Natural History Society of Northumberland, Durham, and Newcastle; of the Royal Society of Sciences of Denmark; of the Royal Academy of Sciences of Berlin; of the Royal Academy of Naples; of the Imperial Natural History Society of Moscow; of the Imperial Pharmaceutical Society of Petersburgh; of the Natural History Society of Wetterau; of the Mineralogical Society of Jena; of the Royal Mineralogical Society of Dresden; of the Natural History Society of Paris; of the Philomathic Society of Paris; of the Natural History Society of Calvados; of the Senkenberg Society of Natural History; of the Society of Natural Sciences and Medicine of Heidelberg; Honorary Member of the Literary and Philosophical Society of New York; of the New York Historical Society; of the American Antiquarian Society; of the Academy of Natural Sciences of Philadelphia; of the Lyceum of Natural History of New York; of the Natural History Society of Montreal, &c. &c. OCTOBER 1830... APRIL 1831. TO BE CONTINUED QUARTERLY. EDINBURGH: PRINTED FOR ADAM BLACK, NORTH BRIDGE, EDINBURGH; AND LONGMAN, REES, ORME, BROWN, & GREEN, LONDON. 1831. CONTENTS. ART. I. Biographical Memoir of M. DUHAMEL. By Baron II. Observations in Answer to a Memoir by Messrs SEDG- WICK and MURCHISON on the Austrian Alps. By VI. An Account of a peculiarity, not hitherto described, in the Ankle or Hock-joint of the Horse; with Re- marks on the Structure of the Vertebræ in the spe- cies of Whale entitled Delphinus Diodon. By Ro- BERT J. GRAVES, M. D. M. R. I. A. King's Professor of the Institutes of Medicine, Honorary Member of the Royal Medical Society of Berlin, of the Medical Association of Hamburgh, &c. &c. VII. On the Lacustrine Basins of Baza and Alhama, in the Province of Grenada in Spain. By Colonel CHARLES SILVERTOP, M. G. S. L. Communicated by the Au- thor. (Concluded from former Volume, p. 439.) VIII. On the Development of the Vascular System in the Fœtus of Vertebrated Animals. Part II. By AL- LEN THOMSON, M. D. late President of the Royal |