27 Items

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Ventral view of capitulum of male Boophilus annulatus. Greatly enlarged. Bureau of Animal Industry Annual Report, 1900 (Plate LIII).

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Scutum and scutellum of female Boophilus annulatus, showing mouth parts, porose areas and eyes. Greatly magnified. Bureau of Animal Industry Annual Report, 1900 (Plate LX).

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Necator americanus

Date: undated

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The Roundworm's Journey Through the Pig

Creators: William S.D. Haines

Date: circa 1923

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Necator americanus

Date: undated

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Life Cycle of Liver Fluke diagram

Date: undated

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Figures A and B - Portions of muscle of sheep showing Cysticercus ovis (undegenerated) in situ. Figure A. - Section of hind leg showing two "deep" cysticerci. Figure B. - Hind leg showing three "superficial" cysticerci. Figures C and D - Heart and portion of diaphragm of sheep showing Sarcocystis nodules likely to be mistaken for degenerate cysticerci. Figure E. - Sheep heart showing numerous small degenerate cysticerci (Cysticercus ovis). Illustration for Journal of Agricultural Research, Volume 1, Number 1, Plate III.

Creators: William S.D. Haines

Date: circa 1913

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Sheep scab mite (Psoroptes communis ovis), the parasite that causes common scab (enlarged)

Date: circa 1927

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A slightly advanced case of common sheep scab (Psoroptes communis ovis). Illustration for Bureau of Animal Industry Bulletin 21, Plate 1.

Date: undated

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Synthetocaulus and Dictyocaulus parasites in lung of sheep

Creators: William S.D. Haines

Date: 1913

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Roundworms of domestic swine. Illustration for Bureau of Animal Industry Bulletin 158. Plate I - Frontispiece.

Creators: William S.D. Haines

Date: 1911

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Stephanurus dentatus(kidney worm of swine): worm imbedded in kidney of hog

Creators: William S.D. Haines

Date: undated

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Rhipicephalus sanguineus (brown dog tick): nymph stage

Creators: William S.D. Haines

Date: 1905

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Rhipicephalus sanguineus (brown dog tick): nymph stage

Creators: William S.D. Haines

Date: 1905

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Rhipicephalus sanguineus (brown dog tick): nymph stage

Creators: William S.D. Haines

Date: 1905

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