Special bibliography at end of each article 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, J. H. The vital equation of the colored race...--Howard, L.O. The correlation of structure and host-relation among the Encyrtinae.--Smith T. The fermentation tube with specialreference to anaerobiosis and gas production among bacteria.--Krauss, W. C. Muscular atrophy considered as a symptom.--Gage, S. P. The brain of Diemyctylus viridescens from larval to adult life.--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 above Little Rock Moore, V. A. The character of the flagella on the bacillus Cholerae Suis...--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..