August 19, 1898.] 



SCIENCE. 



229 



•dicated by its Flora. By Professor Arthur 

 Hollick, Columbia University, New York, N. Y. 



6. The Origin of the Limonite Ores of Nit- 

 tany Valley, Pennsylvania. By Professor T. 

 €. Hopkins, State College, Pa. 



7. The Region of the Causses in Southern 

 France (with maps and stereopticon views). By 

 Dr. Horace C. Hovey, Newburyport, Mass. 



8. The Washington Limestone in Vermont. 

 £y Professor C. H. Richardson, Hanover, N. H. 



9. Fluctuations of North American Glaciation 

 shown by Interglacial Soils and Fossiliferous 

 Deposits. By Warren Upham, St. Paul, Minn. 



10. Time of Erosion of the Upper Mississippi, 

 Minnesota and St. Croix Valleys. By Warren 

 Upham . 



11. Supposed ' Corduroy Road ' of Late 

 •Glacial Age, at Amboy, Ohio. By Professor G. 

 Frederick Wright, Oberlin, Ohio. 



SECTION F. — ZOOLOGY. 



Address of the Vice President : A Half-cen- 

 tury of Evolution with Special Reference to the 

 Effect of Geological Changes on Animal Life. 

 By Professor A. S. Packard, Brown University, 

 Providence, R. I. 



1. Evolution and Migration of Hawaiian 

 Land Shells. By Professor Alpheus Hyatt, Bos- 

 ton Society of Natural History, Boston, Mass. 



2. A new Classification of Fossil Cephalopods. 

 By Professor Alpheus Hyatt, Boston Society 

 •of Natural History. 



3. Notes on the Habits of some Burrowing 

 Bees. By Professor John B. Smith, Rutgers 

 ■College, New Brunswick, N. J. 



4. A New Method of Studying Underground 

 Insects. By Professor John B. Smith, Rutgers 

 ■College. 



5. On the Systematic Position of the Trilo- 

 bites. By Professor A. S. Packard, Brown Uni- 

 versity, Providence, R. I. 



6. On the Carboniferous Fauna of Rhode 

 Island. By Professor A. S. Packard, Brown 

 University. 



7. On the Markings of Nodontian Larvie. 

 By Professor A. S. Paekard, Brown University. 



8. Some Points in the Oogenesis of Virbius 

 zostericola Smith. By Frederic P. Gorham, 

 Providence, R. I. 



9. A Species of Myxosporidium found in 



Fishes, in the Aquaria of the U. S. Fish Com- 

 mission, at Woods Holl, Mass. By Frederic P. 

 Gorham, Providence, R. I 



10. A New Species of Pigment producing 

 Pathogenic Bacillus. By Frederic P. Gorham, 

 Providence, R. I. 



11. On the Types of Vertebrate Embryos. 

 By Dr. Charles Sedgwick Minot, Harvard Med- 

 ical School, Boston, Mass. 



12. On the Embryology of the Rabbit. By 

 Dr. Charles Sedgwick Minot, Harvard Medical 

 School. 



13. Variation versus Heredity. By Professor 

 H. S. Williams, Yale University, New Haven, 

 Conn. 



14. The proposed Attempt to introduce Blas- 

 tophora psenes into California. By Dr. L. O. 

 Howard, U. S. Dept. of Agriculture, Washing- 

 ton, D. C. 



15. The Records of 1898 of Broods VII and 

 and XVII of Cicada sepiendecim. By C. L. 

 Marlatt, U. S. Dept. of Agriculture, Washing- 

 ton, D. C. 



16. On the Genitalia of Ants, and their Value 

 in Classification. By W. H. Ashmead, U. S. 

 Dept. of Agriculture, Washington, D. C. 



17. Naples Station : General Description and 

 Notes on Methods of Work employed there. 

 By Dr. E. O. Hovey, American Museum of 

 Natural History, New York, N. Y. 



18. General Statement of Types and Figured 

 Specimens of Fossil Invertebrates in the Amer- 

 can Museum of Natural History. By Dr. E. O. 

 Hovey, American Museum Natural Historj'. 



19. Measurements of two large Lobsters re- 

 cently added to the Collections of the American 

 Museum of Natural History. By Dr. E. O. 

 Hovey, American Museum Natural History. 



20. On the Present State of our Knowledge of 

 the North American Tertiary Mollusk-fauna. 

 By Dr. Wm. H. Dall, Smithsonian Institution, 

 Washington, D. C. 



21. Cranial Osteology in certain species of 

 Dinichthys. By Dr. Charles Rochester East- 

 man, Museum of Comparative Zoology, Cam- 

 bridge, Mass. 



22. Moniloporidae, a new Family of Palaeozoic 

 Corals. By Amadeus W. Grabau, Cambridge, 

 Mass. 



23. A Historical Notice of Ross' Rosy Gull, 



