NEW JLONHON,THE HOWGATE ARCTIC EXPEDITION.New London, August 2.—'The How-gate Arctic expedition will establish Capt. Howgate’s colony at a point on the coast on the north side of the Cumberland, and then to store the supplies on which the main exploring expedition, which sails in July, 1878, under Capt. H. W. Howgate, U\ S. A„ is to subsist. The Florence is of fifty-six tons burden, and is provisioned for one year, aud amply supplied with equipments. Her officers are scientist, and her crew are: George E. Tyson, Master; William M. Siston, First Mate; Dennison Burrows, Second Mate; Eleazer Cone, Steward; Orrag Taft Sherman, Meteorologist and Photographer; Ludwig Kumlin, Naturalist; Richard B. York, William A. Albine, James W. Lee, Joel B. Betties, Charles Henry Fuller, David T. Reese and John McFarland green hands. Sherman is a graduate of Yale class of ’71. Kumlin goes under the auspices of the Smithsonian Institute.