. The Journal of laboratory and clinical medicine . ath provides. In addition to the paraffin bath top, we have had made a removable ringtop which transforms the 9 by 9 by 5 inch serologic bath into a bath for evap-oration of volatile fluids at low temperature (Fig. 3). The top (Fig. 4) ismade of sheet copper and has two openings 2 and 1/2 inches in diameter, oneopening 4 inches in diameter and one opening 5 inches in diameter. Eachopening is fitted with a series of concentric rings by means of Avhich the sizeof the opening may be adjusted as required. AN INJECTION METHOD FOR AIDING IN THE IDE


. The Journal of laboratory and clinical medicine . ath provides. In addition to the paraffin bath top, we have had made a removable ringtop which transforms the 9 by 9 by 5 inch serologic bath into a bath for evap-oration of volatile fluids at low temperature (Fig. 3). The top (Fig. 4) ismade of sheet copper and has two openings 2 and 1/2 inches in diameter, oneopening 4 inches in diameter and one opening 5 inches in diameter. Eachopening is fitted with a series of concentric rings by means of Avhich the sizeof the opening may be adjusted as required. AN INJECTION METHOD FOR AIDING IN THE IDENTIFICATIONOF TAPEWORM SPECIES* By Raphael Isaacs, , Cincinnati, Ohio A SIMPLE method for visualizing the uterus in tapeworm proglottids. toidentify the species, or for demonstration purposes, as used in the wardsand laboratories of the Cincinnati General Hospital for the past five years,consists in the injection of the canals with India ink. A hypodermic syringe(1-2 ), fitted with a fine needle, is filled with India ink. The segment to be. Fig. 1.—Method of holding and injecting tapeworm segments.


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