880 



APPENDIX. 



same length of time in similar vessels, but at different temperatures, 

 collecting the ice from each, and examining it at the same time. 



APPENDIX F. {Seepages 509-512.) 



Memoranda of Design for Construction and Fitting of a Vessel for 

 Arctic Exploration. 



By George W. Melville, Chief Engineer, U. S. N. 



A ship for Arctic cruising should he as small as possible, and yet he 

 able to carry her weight and billet her people with comfort. A light 

 draft is desirable to enable her to clear unknown shoals in strange 



