M.
MAQSOOD
31
the liver parenchyma, while numerous other sterile unruptured hydatids were present
in the rest of the liver and in the lungs.
SUMMARY
1. The incidence and relative distribution of echirrococcus cysts in the liver, lungs,
spleen, heart, and kidneys of cattle and buffaloes at Lahore is recorded.
2. The hydatids in the liver and lungs vary greatly in size from that of a pea to a
medium-sized football and are mostly sterile. In cases of heavy infestation where the
lung and liver tissue is practically replaced by these cysts, death may supervene.
3. Generally fertile E. polymorphus cysts of variable size appear more commonly in
the left ventricular wall than in other parts of the heart, and when they are of large size,
sudden death may result from cardiac disturbances.
ACKNOWLEDGEMENTS
The author acknowledges valuable suggestions received from Professor S. I. A. Shah,
M. R. C. V, S., and Professor S. B. Singh, M. Sc., M. R. C. V. S , P. V. S., Punjab
Veterinary College, Lahore, as also to Dr G. D. Bhalearao, and M, Abdus-salam, Imperial
Veterinary Research Institute, Mukteswar.
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Bhalearao, G. D. (1935). Helminth Parasites of the Domestic Animals in India. Imp. Coun. Agric. Res. Scientific
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Cameron, T. W. M. (1934). The Internal Parasites of Domestic Animals, 198-203, Black, London
Edwards, J. T. (1927). Some diseases of cattle in India, 64-66. Supdt. Govt. Publications, Calcutta.
Gaiger, S. H. (1910).
J. trop. vet. Sci. 5, 65-71
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Ganguley, H. C. (1922). Vet. Rec. 2, 878-879
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Monnig, H. H. (1941). Veterinary Helminthology and Entomology, 117-121. Bailliere, Tindall & Cox, London.
Neumann, L. G. and Macqueen, J. (1905). A Treatise on the Parasites and Parasitic Diseases of the Domesticated
animals, 431-432. Bailliere, Tindall & Cox, London
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Young, T. D. (1934). Ostertag's Text Book of Meat Inspection, 283-290, Bailliere, Tindall & Cox, London
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A NOTE ON GUINEA-WORM INFCETION IN DOGS
By G. K. SHARMA AND ASHIQ HUSSAIN
(Received for publication on 31 October 1945)
(With Plate VI)
G UINEA-WORM infection is very common in man in some districts of India but few
cases appear to have been recorded in dogs.
Griffith [1888] observed a Guinea-worm in a foxterrior bitch in Cairo. Piot [1889]
describes four cases of Filaria medinensis in Egypt. Cinotti [1906] recorded a case in a
bitch imported into Italy from Egypt. Gaiger [1910] observed five cases of canine
Filaria medinensis in the Punjab. Lieper [1910] after reviewing the literature says that
there seems little room for doubt that the Guinea-worm is able to infect and attain maturity
in the dog and horse if not in all the domesticated mammals. Mitter [1910] observed a
case of cutaneous filariasis in a dog at the Bengal Veterinary College Hospital. It is
stated in Hutrya and Marek [1938] that Dracuncul US medinensis occurs in tropical
countries and is found beneath the skin in men, cattle, horses and dogs.
Subject No. 1. Bull-terier, admitted as inpatient No. 224 on 31 April, 1945.
History. The dog had been in Lahore for the last three years and had access to
ponds and stagnant water. It developed dysentery a few months previously and had re-