Special bibliography at end of some articles Portrait of Professor Burt Green Wilder. Engr. by John P. Davis.-List of the more important scientific publications of Professor Wilder.-Table showing the number of students taught by Professor Wilder.-Jordan, D. S. Temperature and vertebrae.-Comstock, Anna B. I. Engraving of a cat. II. Engravings of moths.-Comstock, J. H. Evolution and taxonomy.-Corson, E. R. The vital equation of the colored race and its future in the United States.-Howard, L. O. The correlation of structure and host-relation among the Encyrtinae.-Smith, T. The fermentation tube.-Krauss, W. C. Muscular atrophy considered as a sympton.-Gage, Susanna P. The brain of Diemyctylus viridescens.-Biggs, H. M. A bacterial study of acute cerebral and cerebro-spinal lepto-meningitis.-Branner, J. C. Observations upon the erosion in the hydrographic basin of the Arkansas river.-Moore, V. A. The character of the flagella [of bacteria].-Hopkins, G. S. The lymphatics and enteric epithelium of Amia calva Fish, P. A. Brain preservation.-Dudley, W. R. The genus Phyllospadix.-Gage, S. H. The lake and brook lampreys of New York.-Roberts, M. J. Flash-light photography in surgery and medicine (not printed) History of Science copy 2: Gift of Burt Green Wilder