DALTONISM

n. Da4l'tusn-iazm. From the name of the Engnaeum. [A, 57.]--D'kanal. That portion of the parturient canal John into the formation of which the pelvic floor enters. [A, 91.] lish chemist, Dalton. Lat., daltomsmus. Fr., dalton is me. D'krUmmung. The perineal curve of the obstetrical See CoJor-BLiNDNESs. D'muskelschicht. The muscular layer of the perinteum.forceps. [s. 504]