Has just returned from collecting in Central America and is planning to go to the Galapagos to gather specimens in all branches of natural history.

Notes on sexual differences within certain species of birds.

Shot a sandpiper in Norway, the hind toe of which was clasped by a freshwater bivalve.

Sends replies to CD’s queries about sex ratios in humming-birds.

Publication Committee of Zoological Society has granted CD use of woodblock from the Society’s Proceedings.

Promises to answer questions about ducks next week when he has a specimen.

Recently met Capt. Arthur Mellersh.

Encloses notes [missing] that he has made for CD on looking through his dried skins of American Anatidae.

Is glad his notes on ducks are useful; would like them back when CD has finished with them as they might help him to put the South American Anatidae in order.

Comments on lamellae in Prion. Offers to send specimen for CD to examine.

Sends specimen of Prion.

Discusses beaks of flamingo and other birds.

Comments on function of lamellae.

Sends CD some more ducks’ skins so that he can examine the lamellae.