DISEASES OF SWINE AND OTHER ANIMALS. 



83 



D'ujesficc orfjans : Tongue, left border has an extensive slough near the tip. Eight 

 border has a number of lirm elevated points, Trith purple areola and yellow centers. 



Soft palate : Lo^\cr or buccal sui-face has its follicles deeply stained with blood and 

 Bun-ouuded Avith purple areola ; some follicles are filled Avith a yellowish material. 



Eight tonsil : Is swollen and has its ducts distended with a thick, tenacious, trana- 

 pareut mucus, containing great numbers of roimded granular cells. 



Throat: Epiglottis beai-s spots of congestion ineffaceable by pressure. 



Gullet: Healthy. 



Stomach: Moderately full; acid. The mucous membrane on the great curvature 

 presents patches of extravasation and erosion, the latter varying from one to three 

 Lines in diameter. Contains a worm (ascaris SuiUa). 



Small intestine: Contains twelve ascaridcs, one as much as ten and one-eighth inches 

 in leu<'th. The mucous membrane presents along its whole course patches of redness, 

 congestion, and softening, which are especially numerous and extensive towards its 

 lower portion. 



lUo-cwcal valve : Bears a sloughing ulcer completely eucu-cling it. 



Cacum : Contains a number of id'cei-s with white sloughs, many of them confluent, 

 and forming bands or belts tending to encircle the gut, being situated on the simimita 

 of the transverse folds. 



Colon: The anterior portion is much ulcerated, some of the ulcers being confluent 

 and tending to form transverse bands as in the ca.'cum, while others are mere ch'cular 

 masses, two or three lines in diameter, with white necrotic center, and very little 

 vascularity around the margin. 



Bectum: Has patches of congestion and extravasation one line and upwards in 

 breadth ; in the case of one, advanced to the formation of a firm white slough and 

 ulcer as in the caecum. Close to the anus the entire mucous membrane is very deeply 

 congested and thickened hy exudation and extravasation. 



Parasite: The cajcum contained one Avhipworm {Tricocejihalus crenatus). 



Farasite-i in the peritoneum: In the cavity of the abdomen were found twelve hydatids 

 in connection with the liver, stomach, omentum, mesentery, meso-colon, and pelvic 

 fascia. Tliree others Avere lodged in the perineum near the urethra. 



Kidneys : Softened slightly and of an unusual pallor in their cortical portion. 



Bladder Bormd. IntrapelAic lu-ethra deep red, almost black, from petechial extra- 

 vasation. 



Urine about tAvo ounces, turbid, strouglj^ acid, albuminous; density, 1020; urea, 

 2 per cent. 



Cha^t : Heart has a gelatinoid material filliug the auricula-A'entricular grooA'c simi- 

 lar to that seen in No. — . 



llight heart has a considerable buffy clot in both aiuicle and ventricle. Lpft auricle 

 contains a small clot, almost the entire substance of which is pale orbufl:y. It further 

 contains some very daik fluid blood. 



Lungs: A few lobidettes only are infarcted or consolidated. In all cases the bron- 

 chia leading to the consolidated lobulettes are blocked hy worms (S. elongatus). The 

 other bronchia are clear of Avorms excepting in the immediate A'icinity of the infarcted 

 lobtdettes. The great bulk of the lung is healthy, and of a soft white color, slightly 

 tinged Avith pink. 



I'arasites: Attached to the pleura were two hydatids. 



EXPERIMEXX No. 7. 



Female pig, eight iceeks old, no s2}ccial Vrecd. Formerly fed raw offal at a slaughtcr-hoitix. 



