So much of the text of Mr. Elwe' paper as relates to North American Species has recently been printed in Psyche (March), but the synonymic list, which is most important for a full comprehension of the state of mind of the author, was omitted. I applied to the editor of the Can. Ent. to print the list, but it was found that it would occupy nearly one-half the space of a number, and it was not thought expedient to give it.

The Locality.—Laggan is a telegraph station of the Canadian Pacific Railway, 956 miles west of Winnipeg as the railway runs, and six miles east of the British Columbia eastern boundary. A mile west of Laggan the railway leaves the Bow River Valley, and turns more directly west into the valley of Noore's Creek to cross the central range of the Rocky Mountains, the summit of the pass being six miles from Laggan.

Head small, not retracted, with rough vestiture. Eyes small, yet somewhat bulging or prominent. Tongue moderate in length, but weak. Palpi short, straight, scarcely projecting beyond the clypeus, clothed with short, thin vestiture. Ocelli present. Antennæ moderate in length, the ♂ rather lengthily bi-pectinated. Legs unarmed, subequal, the posterior longest, rather closely scaled, the spurs distinct.