392KIDNEY F r r~c~r o~ i~ PREGNANCY broth cultures similar filamentous structures are present. The capsule is frequently seen to consist of a thick agglomeration of these filaments around the bacteria. In certain subtilis cultures the inucoid sulistance which consists largel!-of these filaments shows phenomena suggesting that it is capable c ; f growth independently from the bacteria. Notes on the staining methods: The filaments could be stained with all flagellar staining incthods tried. The following technique gave most constantly satisfactory results. The agar or broth cultures are spread on a cover slip with the help of a small drop of water without being previously suspended or diluted and quickly dried. It is sometimes helpiul to extract the preparation after drying with distilled water. For a mordant, Loeffler's solution is used (prepared a few weeks previously) and is applied for 2 to 3 minutes without heating. The preparation is then silvered with aethylamin silver solution. Not all samples of the mordant give satisfactory results. 7143 C Kidney Function in Pregnancy. 11. Effect of Posture on Diuresis. ELISABETH W. WALKER, MARY 3lciMANUS AND JAMES C. JA;"EY. (Introduced by A. IT. Rowe.) Prom the Evans Xemorid, 3lassach.usett.q Xemorial Hospitals, and the Florence Crittenton Home, and the I h s t o n Un.Cversity School of Medicine.
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