954 The American Naturalist. [October, 
The following papers were read and discussed during the sessions : 
Some Notes on Alleged Meteoric Dust, Magnus Pflaum, Pittsburg, Pa. ; 
Corky Outgrowth of: Roots and their Connection with Respiration, 
H. Schrenk, Cambridge, Mass.; A Practical Method of Referring 
Units of Length to the Wave Length of Sodium Light; Professor Wm: 
A. Rogers, Waterville, Me. ; Some Peculiarities in the Structure of the 
Mouth Parts and Ovipositor of Cicada septendecim, Professor J. D: 
Hyatt, New Rochelle, N. Y.; The Lateral Line Systems of Sense 
Organs in Amphibia, Dr. B. F. Kingsbury, Defiance, O.; The Chloro- 
phyll Bodies of Chara coronata, Professor W. W. Rowlee, Ithaca, N. 
Y. ; Secondary Thickenings of the Rootstalks of Spathyema, Mary A. 
Nichols, Ithaca, N. Y. ; Comparison of the Fleischel, the Gower and the 
Specific Gravity Method of Determining the Percentage of Hæmo- 
globin in Blood for Clinical Purposes, F. C. Busch and A. T. Kerr, 
Jr., Buffalo, N. Y.; The History of the Sex-Cells from the time of 
Segregation to Sexual Differentation in Cymtogaster, Professor C. H. 
Eigenmann, Bloomington, Ind.; A Fourth Study of the Blood, Show- 
ing the Relation of the Colorless Corpuscle to the Strength of the Con- 
stitution, Dr. M. L. Holbrook, New York City ; Two Cases of Inter- 
cellular Spaces in Vegetable Embryos, K. M. Wiegand, Ithaca, N. Y.; 
The Fruits of the Order Umbelliferx, Dr. E. J. Durand, Ithaca, N. 
Y.; The Action of Strong Currents of Electricity upon Nervous 
Tissue; Dr. P. A. Fish, Ithaca, N. Y.; The Morphology of the Brain 
of the Soft-Shelled Turtle and the English Sparrow Compared, Susanna 
P. Gage, Ithaca, N. Y.; The Flagella of Motile Bacteria, Dr. V. A. 
Moore, Washington, D. C.; The Primitive Source of Food Supply in 
the Great Lakes; Some Experiments in Methods of Plankton Measure- 
ments, Professor Henry B. Ward, Lincoln, Neb.; The Fruits of the 
Order Composit, Professor W. W. Rowlee and K. M. Wiegand, 
Ithaca, N. Y.; The Spermatheca and Methods of Fertilization in some 
American Newts and Salamanders, Dr. B. F. Kingsbury, Defiance, O. ; 
Cocaine in the Study of Pond-life; Paraffin and Collodion Embedding, 
Professor H. S. Conser, Sunbury, Pa.; Formalin asa Hardening Agent 
for Nerve Tissue, Dr. Wm. C. Krauss, Buffalo, N. Y.; The Use of 
Formalin in Neurology, Dr. P. A. Fish, Ithaca, N. Y.; The Lym- 
phatics and the Lymph Circulation, with Demonstration of Specimens 
and Apparatus, Dr. Grant S. Hopkins, Ithaca, N. Y.; New Points in 
Photo-micrographs and Cameras, W. H. Walmsley, Chicago, Ill. ; The 
Question of Correct Naming and Use of Micro-reagents, Miss V. A. 
Latham, M: D., Chicago, Ill.; A New Way of Marking Objectives, Dr. 
Wm. C. Krauss, Buffalo, N. Y.: Demonstration of Histological Prepar- 
