DISEASES OF SWINE AXD OTHER ANIMALS. 35 



microscope it contained ;i few red blood corpuscles, numerous bacillus- 

 germs, and some developed haciUi suis. 



Avgust 23. — Pijjs Xos. 2 and 3 perfectly healthy. No visible reaction. 



Awjust 2i. — Both pigs perfectly healthy 5 have very good appetite. 



August 25. — Xo change. 



Aiigitst 20. — ]Sro change. 



August '11. — Pig Xo. 2 appears to be slightly indisposed. Pig No. 3 

 aiiparently healthy. 



August 28. — Both seem to be healthy; eat well. 



August 29. — Pig No. 2 not quite as lively as a healthy pig ; does not 

 seem to have very good appetite. Pig No. 3 shows no symptoms of dis- 

 ease. Temperatiu-e of pig No. 2, 105.1^ F., and of No. 3, lOt^^ F. Both 

 pigs struggled very much while being examined. 



August 30. — Pig No. 2 not very lively, and shows a tendency to lie 

 down; does not eat as Avell as formerly; temperature, 10i|o F. At 

 feeding tune in the evening it did not arise, nor did it seem to care for 

 its food. Pig No. 3 apparently all right. 



August 31. — Pig No. 2 shows i)lain symptoms of sickness; arches its 

 back, and moves with short undecided stej^s. Pig No. 3 api)ears to be 

 less lively. 



September 1. — Both pigs, Nos. 2 and 3, shovr plain symj)toms of swine- 

 plague. 



September 2. — Pig No, 3 seems to be worse than pig No. 2. In after- 

 noon the eyes of pig No. 3 appeared congested, and the conjunctiva in- 

 filtrated with blood. Appetite of both animals rather poor. Both are 

 thii^sty. 



September 3. — Pigs Nos. 2 and 3 do not eat anything ; are evidently 

 very sick ; show great indifference to siu-roundings, and do not like to 

 come out of their corner. Both are very weak, and look as if they suffer 

 from pressure uiion the brain. 



September 4. — Pigs Nos. 2 and 3 have not touched any food ; they 

 huddle together in their corner, lie down, and will not get up unless 

 comj)eUed to do so. Both show increasing muscular weakness and 

 emaciation. At G.30 o'clock, p. m., pig No. 2 was removed to pen No. 1. 

 (See accoimt of pig No. 1.) 



September 5. — Pig No. 2 (now in pen No. 1) eats nothing ; has plain 

 symptoms of pneumonia. Pig No. 3 (in pen No. 2) is getting very weak; 

 at 7 o'clock, p. m,, is lying flat, and in a dying condition. 



September 0. — Pig No. 2 (in pen No. 1) very sick. Pig No. 3 (in pen 

 No. 2) dead in the morning, with well-marked rigor mortis. 



Post-mortem examination. — Skin normal; lymphatic glands enlarged; 

 left lobe of lungs partially hepatized ; right lobe the same, but hepati- 

 zation more extensive ; no serum in thoracic cavity ; about two drachms 

 in pericardium ; heart normal ; spleen enlarged ; partially coalesced with 

 peritoneum of abdominal v»'all, Avhich shoAvs traces of inflammation ; 

 some small ulcerous tumors on surface of spleen, and adhesion between 

 the latter and the colon; mesenteric glands considerably enlarged; 

 morbid growths or ulcerous tumors, and a few worms [triclioceplialus 

 crenatus), the latter partially embedded in the smaller ciiecal nuicous 

 membrane in caecum; blood extravasations, and capillary congestion in 

 mucous membrane of caecum, colon, ilium, and stomach; liver somewhat 

 enlarged ; kidneys normal. Tlie blood, examined under the microscope, 

 contained, besides red blood-coi^puscles with ragg'cd, irregular or star- 

 sha])ed outlines, a few white blood-corpuscles (from one to live in the 

 field), numerous bacillus-germs in various stages of developraent, and 

 a few developed bacilli siiis. 



