REPORT OF THE SECRETARY. 83 



1877. The Geologic Work of Mangroves in Southern Florida. By T. Wayland 

 Vaughan, Custodian of Madreporarian Corals, U. S. National Museum ; Super- 

 vising Geologist in Charge of Coastal Plain Investigations, U. S. Geological 

 Survey. Published September 15, 1909. Octavo. Pages 461-464, with 

 Plates 46 to 52. 



1578. Crystallographic Notes on Calcite. By J. B. Pogue, Assistant Curator, 

 Division of Mineralogy, U. S. National Museum. Published September 24, 

 1909. Octavo. Pages 465-46S, with Plates 53 and 54. 



1579. A New Rodent of the Genus Georychus. By Edmund Heller, Field 

 Naturalist, Smithsonian African Expedition. Published September 24, 1909. 

 Octavo. Pages 469-470, with Plate 55. 



1880. Two New Rodents from British East Africa. By Edmund Heller, Field 



Naturalist, Smithsonian African Expedition. Published November 13, 1909. 



Pages 471-472, with Plate 56. 

 4 SSI. A Heretofore Undescribed Stony Meteorite from Thomson, McDuffie 



County, Georgia. By George P. Merrill, Head Curator, Department of Geol- 

 ogy, U. S. National Museum. Published December 2, 4909. Octavo. Pages 



473-476. Plates 57 and 58. 

 4882. On a Remarkable Cube of Pyrite Carrying Crystallized Gold and Galena 



of Unusual Habit. By Joseph E. Pogue, Assistant Curator, Division of 



Mineralogy, U. S. National Museum. Published December 22, 4909. Octavo. 



Pages 477-484, with Plate 59. 

 48S3. A New Carnivore of British East Africa. By Gerrit S. Miller, jr., Curator, 



Division of Mammals, U. S. National Museum. Published December 48, 4909. 



Octavo. Pages 485-4S7, with Plates 60 to 62. 

 1SS4. Description of Fossil Plants from the Mesozoic and Cenozoic of North 



America. I. By F. H. Knowlton. Published January 14, 4940. Octavo. 



Pages 489-496, with Plates 63 and 64. 

 48S5. Two New Genera of Murine Rodents. By Gerrit S. Miller, jr., Curator, 



Division of Mammals, U. S. National Museum. Published January 42, 4940. 



Octavo. Pages 497-49S. 

 1SS6. A Shelter for Observers on Mount Whitney. By C. G. Abbot, Director of 



the Smithsonian Astrophysical Observatory. Published January 12, 1910. 



Octavo. Pages 499-506, with Plates 65 and 66. 

 18S7. List of Publications, continued from list in Quarterly Issue, volume 5, 



part 3. Published January 21, 4940. Octavo. Pages 507-509. 



In the regular series of Smithsonian Miscellaneous Collections the following 

 were published, during the year: 



4869. The Mechanics of the Earth's Atmosphere (a collection of translations). 

 Third Collection. By Cleveland Abbe. Hodgkins Fund. Published 4909. 

 Octavo. Pages iv, 617. Volume 51, Number 4. 



1870. Landmarks of Botanical History, Part I, Prior to 1562 A. D. By Edward 

 L. Greene. Published 1909. Octavo. Pages 329. Part of volume 54. 



1920. Bibliography of Aeronautics. By Paul Brockett. Hodgkins Fund. Pub- 

 lished 1910. Octavo. Pages xiv, 940. Volume 55. 



1922. Development of the Brain of the American Alligator ; The Paraphysis and 

 Hypophysis. By Albert M. Reese. Published March 1, 1910. Octavo. Pages 

 20, with 5 plates. Volume 54, Number 2. 



1923. Constants of Nature. Part 5, A Recalculation of Atomic Weights. Third 

 edition. By Frank Wigglesworth Clarke. Published May 6, 1910. Octavo. 

 Pages iv, 548. Volume 54, Number 3. 



1924. Five New Rodents from British East Africa. By Edmund Heller. Pub- 

 lished February 2S, 1910. Octavo. Pages 2+4, with 2 plates. Volume 54, 

 Number 4. 



