Published in Canadian Entomologist, in 1891, in volume 23, pages 1-7

Published in Canadian Entomologist, in 1891, in volume 23, pages 36-40

Published in Canadian Entomologist, in 1891, in volume 23, pages 161-166

Published in The Canadian Entomologist, in 1891, in volume 23, pages 169-172

Published in Canadian Entomologist, in 1891, in volume 23, pages 189-195

Published in Canad. Ent, in 1891, in volume 23, pages 207-209