OBJECTIVE.
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physical requirements principally met by the labor of the hands alone (except such involvement of pedal power as was embraced in standing, walking, etc.) ; but, in sewing- machine use, we have an employ calliiTg into exercise the active service of the feet and lower limbs, which, as more closely allied to the organs involved in menstruation, and to a certain extent enjoying the same vascular system, may be considered as possessing a new relay of interest. While all the pursuits dwelt upon have been characterized by a greater or less degree of disadvantage in posture, in the use of the sewing-machine this disadvantage is rather aggravated than otherwise. There is no need to enlarge upon the extent of its use, or to state that the use of power- propelled machines does not fall under review ; nor will it be necessary, in view of the exhaustive examinations of the subject by Guibout,* Decaisne,! Nichols, $ and others, to
* Paper before “ Soc. Medicale des Hopitaux.” t Ann. d’Hyg. Pub. 1870, 2d ser. vol. xxxvi.
| Dr. A. H. Nichols, 3d Hep. Board of Health, Mass.