XI. INSTRUCTION. 977 



Alimentary products. Flours, feoulge, prepared with the object 

 of defining commercial adulterations. 



Textile products. Prepared with the object of defining com- 

 mercial frauds. Eugene Bourgogne, Paris. 



3816c. Large Sections, for the Microscope, of various 

 Anatomical Tissues, showing variety of methods of histo- 

 logical staining. Drs. Hoggan. 



3818. Models exhibiting the Anatomical Symptoms of 

 Cattle Disease. A. Th. Ferhaar, Utrecht, 



No. 1 . Three cows' eyes : 



A. A healthy eye, of which the sclerotic and the accessory eyelid 



are pale. 



J3. A healthy eye, in which the same parts are of a brown colour : 

 this is considered as a distinctive mark that the animal is not liable 

 to catch the disease. 



C. The eye of a cow attacked by the cattle disease. The red colour 

 of the above-named* parts may be noticed. 



No. 2. The extremity of the lower jaw and the inner surface of the lower 

 lip of a cow attacked by the cattle disease. In these an irregular 

 swelling and the difference of colour, as well as the excoriated and 

 lacerated places on the gum, are to be noticed. A part of the same 

 jaw seen inside, having the same symptoms. 



No. 3. The cartilaginous septum nasi of a cow that has died of the cattle 

 disease, seen on the right side. The red colour and violent swelling of 

 the mucous membrane and the great quantity of thick mucus are par- 

 ticularly remarkable ; on the edge of the nostril an affection of the skin 

 and dry crusts of mucus are to be noticed. 



No. 4. The right side of the larynx and a portion of the windpipe of a 

 cow that has died of the cattle disease. The red colour and the swell- 

 ing of the pyogenic membranes are to be seen. 



jsfo. 5. A portion o :the oesophagus (gullet) of a cow that died of the 

 cattle disease. One part of the inner membrane is nearly healthy, the 

 other very red and swollen. 



No. 6. The palate of a cow that has died of the cattle disease. 



No. 7. The end of the abomasum and the beginning of the small intestines 

 of a cow that has died of the cattle disease. The violent swelling, the 

 red colour, the small pyogenic cavities, and the black crusts of blood 

 on the mucous membrane of the stomach are remarkable. 



No. 8. A piece of the small intestines of a cow that has died of the cattle 

 disease, opened and seen inside. The red colour, and the swelling of 

 the mucous membrane, in which Peyerian glands swollen and empty are 

 seen. 



!?o. 9. A piece like No. 8. Several black spots may be noticed. 



No. 10. A piece like No. 8 and No. 9. Besides the swollen glands the 

 difference of colour may be seen. 



No. 11. A piece like Nos. 8, 9, and No. 10. Here and there a difference 

 of colour is apparent. 



No. 12. A piece like Nos. 8, 9, 10, and 11. The mucous membrane appears 

 thinner and duller. 



No. 13. The end of the small intestines and the caGcum of a cow that 

 has died of the cattle disease, opened and seen inside. The much- 

 swollen folds, the redness of the mucous membrane, as well as the black 

 40075. 3 Q 



