[Aedes], [45]

fitchii, [70]

nearcticus, [70]

Agrostis scabra, [42]

Alder, [98]

Alectoria, [44]

Allen, J. A., [116]

Alopex lagopus innuitus, [63]

American Committee for International Wild Life Protection, reverse of title-page

American Museum of Natural History, [6], [117]