Scope and Contents

95 x 74 mm. A view showing a white rhinoceros shot by Christy in order to capture its calf for the Antwerp Zoological Gardens.

Scope and Contents

100 x 74 mm. A view showing a white rhinoceros shot in the Bahr el Ghazal area (Nile-Congo Divide) [possibly Bahr al Ghazal in Sudan] by Christy, with two rifles laid against the stomach of the animal.

Scope and Contents

100 x 74 mm. A view showing a white rhinoceros shot in the Bahr el Ghazal area (Nile-Congo Divide) [possibly Bahr al Ghazal in Sudan] by Christy, with two rifles laid against the stomach of the animal.

Scope and Contents

100 x 74 mm. A view showing a white rhinoceros shot in the Bahr el Ghazal area (Nile-Congo Divide) [possibly Bahr al Ghazal in Sudan] by Christy, with two rifles laid against the stomach of the animal.

Scope and Contents 99 x 75 mm. A view showing the wooden stagings of the fish traps:'Towards the end of the low-water season, small tree-trunks and great supporting posts are fixed upright amongst the rocks and broken water at the falls ... Upon these are built elaborate stagings, lashed with forest creeper ropes, and stretching far out across the tumbling rapids from both banks. Six or ten feet beneath the staging, according to the height of the water, are suspended conical or bell-shaped basket...

Scope and Contents

99 x 75 mm. A view showing the wooden stagings of the fish traps. Photograph probably by Christy.

Scope and Contents

99 x 75 mm. A view showing the wooden stagings of the fish traps. Photograph probably by Christy.

Scope and Contents

98 x 75 mm. A view showing a section of the fisheries, with Africans seated on the rocks in the foreground.

Scope and Contents

96 x 73 mm. A view showing a section of the fisheries, with Africans seated on the rocks in the foreground.

Scope and Contents

76 x 101 mm. A view showing a trelliswork fig tree growing in forest land. The complete caption reads 'The trelliswork fig tree after complete fusion of the roots and the rotting away of the stem of the supporting tree'.

Scope and Contents

74 x 100 mm. The complete caption reads 'A still further stage in the development of the trelliswork fig tree, showing early buttresses and the stem becoming solid'.

Scope and Contents

76 x 99 mm. The full caption reads 'The stem is now solid and buttresses more developed'.

Scope and Contents

Two copies of the offprint of an article published in Thompson Yates & Johnston Laboratories Report, V (1903), 187-89.

Scope and Contents

101 x 79 mm. A view showing frog's nest on the upper side of the leaf. The caption on the reverse of the print reads 'Eggs hatched in mass of white froth high above streams. The frothy mass is their means of protection. When tadpoles sufficiently developed they fall off into the water beneath'.

Scope and Contents

94 x 76 mm. A view showing frog's nest on the upper side of the leaf. The caption on the reverse of the print reads 'Eggs hatched in mass of white froth high above streams. The frothy mass is their means of protection. When tadpoles sufficiently developed they fall off into the water beneath'.

Scope and Contents

77 x 97 mm. A view showing twelve year old trees growing in the Botanical Gardens at Victoria, Cameroons.

Scope and Contents

103 x 75 mm. A view showing a European standing among a block of young rubber plants.

Scope and Contents

100 x 77 mm. A view showing two-and-a-half year old rubber trees interplanted with bananas.

Scope and Contents

The diary (circa 80 pages) describes Christy's journey from London to Uganda, and his first tours of inspection for the Sleeping Sickness Commission. It also includes some zoological observations.

Scope and Contents

The diary (circa 80 pages) describes Christy's tours of inspection for the Sleeping Sickness Commission and includes some zoological observations.

Scope and Contents

The diary (circa 80 pages) describes Christy's tours of inspection for the Sleeping Sickness Commission and includes some zoological observations.

Scope and Contents

The diary (circa 80 pages) describes Christy's tours of inspection for the Sleeping Sickness Commission and includes some zoological observations.

Scope and Contents

The diary (circa 55 pages) includes a brief chronological and geographic summary of the results of Christy's tours of inspection for the Sleeping Sickness Commission.

Scope and Contents

Copies of letters (circa 120 leaves) written by Christy to the Uganda and East Africa Exploration Syndicate. It had despatched him on a prospecting mission to locate forests rich in the Funtumia elastica tree, which was used for the production of rubber. Some of the letters include summaries of their contents in the margins.

Scope and Contents Diaries, notes and reports recording Christy's research for the first Royal Society Sleeping Sickness Commission in Africa. The medical expedition was a response to the spreading Uganda Sleeping Sickness epidemic of 1901. Its aim was to elucidate the role of the Filaria perstans parasite in causing the disease. Christy travelled widely in Uganda, British and German East Africa, and the upper Sudan to map the distributions of the parasite and the disease. His findings were important in...