Letters from Charles Kingsley to Philip Lutley Sclater regarding naturalists in Denver, Colorado, specimens for the Zoological Society of London, and the paper of the ex-governor of Trinidad

Letter from Irwin S Minor of the Royal Gaol Department of Trinidad, to Philip Lutley Sclater regarding the best mode to abolish certain pests that were playing havoc with their cocoa crops

Notes on the correspondence with J S Kenny of Trinidad regarding a consignment of reptiles and amphibians

Correspondence between Cecil Stanley Webb and Geoffrey Marr Vevers regarding a proposed journey by C S Webb to British Guiana, with lists of birds, mammals and reptiles of Trinidad and Tobago. Also a letter regarding Zebras and Reticulated Giraffes

Letters from D F Kerr of Trinidad Leaseholds Ltd offering to collection animals from Trinidad for London Zoo