MICHIGAN ACADEMY OF SCIENCE. 
21 
30. The Development of Secotium acuminatum , Mont., C. H. Kauffman, 
Ann Arbor. 
31. Pleistocene Beaches of Saginaw County, W. F. Cooper, Lansing. 
32. Note on the Intercalated Devonian Bed (Anderon Limestone) of the 
Detroit River Region,* W. H. Sherzer, Ypsilanti. 
33. The Nature, Distribution, and Origin of the Sylvania Sandstone,* 
A. W. Grabau, New York, and W. H. Sherzer, Ypsilanti. 
34. The Decomposition of a Boulder in the Calumet and Hecla Conglom- 
erate, A. C. Lane, Lansing. (Read by title.) 
35. Some Possible Uses for Peat in Michigan, C. A. Davis, Ann Arbor. 
36. Peat Deposits as Geological Records, C. A. Davis, Ann Arbor. 
37. On the Discovery of Permian Reptiles in Pennsylvania and the Bear- 
ing of this Discovery on the Pennsylvania-Permian Border line, E. C. Case, 
Ann Arbor. 
38. Interpretation of the Chemical Composition of the Mineral Benitoite, 
E. H. Kraus, Ann Arbor. 
39. Cobalt-nickel-silver Deposits of the Cobalt District of Ontario, R. E. 
Hore, Ann Arbor. 
40. Models for the Practical Solution of Problems in Structural Geology, 
W. H. Hobbs, Ann Arbor. 
41. A Deduction from the Study of Bridges which have been disturbed 
by Earthquakes, W. H. Hobbs, Ann Arbor. 
42. Daily Range of Temperature, M. S. W. Jefferson, Ypsilanti. 
43. Present Scope of the National Red Cross, B. S. Rowland. 
44. Urticaria Following the Second Administration of Diphtheria Anti- 
toxin, Alexander W. Blain, Jr. 
45. A Course in Practical Pathology, F. P. Rouse. 
46. Blood Sucking Flies, F. G. Novy. 
47. The Water Supply of Detroit, E. H. Hayward. 
48. Medical Inspection of Schools, Guy S. Kiefer. 
49. Sanitation as a Business Proposition, Frank W. Shumway. 
50. The Development of Certain Milk Bacteria at a Low Temperature, 
W. S. Saver. 
51. Different Forms of Immunity, V. C. Vaughan, Sr. 
52. Opsonic Technique with Lantern Demonstration, E. C. L. Miller. 
53. Spirilla of Relapsing Fever, F. G. Novy. 
54. Sensitization and its Application to Practical Medicine, V. C. Vaughan, 
Jr. 
55. Bacteria in Ann Arbor Water, H. 1). Boyles. 
56. The Hydrolytic Cleavage Products of B. coli communis, J. H. Agnew. 
57. Syphilis of the Placenta, R. Genung Seland. 
58. Rabies-Hydrophobia, Jas. G. Gumming. 
59. The Just Claims of Biology in the Curriculum of Secondary Schools, 
Otis W. Caldwell, University of Chicago. 
60. Shall the Study of Botany and Zoology in Secondary Schools take the 
form of the Study of Types? Nathan A. Harvey, State Normal College. 
61. Shall the Study of Botany and Zoology in Secondary Schools take the 
form of Natural History? W. P. Holt, Toledo, O., Central High School. 
62. A Case of Consecutive Hermaphroditism in the Killifish, Fundulus 
majalis , H. H. Newman. 
63. The Bird Environment of the Ann Arbor (Michigan) Quadrangle, 
with Notes on the Rarer Species, N. A. Wood. 
* WHh the permission of the State Geological Survey. 
