The Etiology of Pernicious and Related Macrocytic Anemias.

The Etiology of Pernicious and Related Macrocytic and J. Biscois. Oral Imamunization to Colds: DR. Anemias: DR. WILLIAM B. CASTLE ................ 159 GEORGE E. RocKwErLL, HERMANN C. VAN KIRK and DP. H. M. POWELL. A "Growth Substance ": PROScientific Events: 'ESsoR RoGFa J. WILLIAMS and BERT E. CHRISCourses in Game Management at the State UniverTENSEN ..... ..................................... 175 sities; The Leverhulme Fellowships and Awards for Research; The Oxford Congress on Soil Science; Scientiflc Apparatus and Laboratory Methods: Meeting of Mathematicians at Ann Arbor. Recent A Method of Preparing Paraffin Sections of Bone: Deaths ..................................... 164 DR. LORNA THIGPEN DAVID. Apparatus for Heavy Water Studies in Small Animals: DR. HENRY G. Scientific Notes and News ...................... 167 BARBOUR and F. J. COCHRAN ..................... 179 Discussion: Science News ....................................6 Minnesota Man-A Discussion of the Site: PROFESSOR KIRK BRYAN. The Occurrence of Anopheles maculipennis in Mexico: DR. ALP. DAMPF. Eggs of a Peneid Shrimp: JOHN C. PEARSON. An AnomSCIENCE: A Weekly Journal devoted to the Advancealous Muscle in the California River Otter: EDNA ment of Science, edited by J. MCKEEN CATTELL and pub. M. FISHER. The Effect of Prolactin on the Estrus lished every Friday by Cycle of Non-parous Mice: IRMGARD DRESEL ............ 170 THE SCIENCE PRESS