38 THE TONER LECTURES. 



No. 17. The lower portion of the view given in No. 16. 35 diameters. 

 No. 18. The upper poi'tiou of the view given in No. 16. 35 diameters. 

 No. 19. Section of an epithelial cancer of the arm (No. 5880 Mic. 



Sec), showing the terminal buds of the cancer cylinders. 



110 diameters. 

 No. 20. A portion of the view given in No. 19. 200 diameters. 

 No. 21. Section of an epithelial cancer of the lip (No. 3713 Mic. Sec), 



showing small-celled infiltration between the hair follicles 



beyond the margins of the cancer. 13 diameters. 

 No. 22. Another similar section from the same tumor as No. 21 (No. 



3713 Mic. Sec). 13 diameters. 

 No. 23. Another view of the same preparation as No. 22, showing the 



relation of the small-celled infiltration to the sebaceous 



glands. 35 diameters. 

 No. 24. Another view of the same preparation as No. 21, showing the 



relation of the small-celled infiltration to the hair follicles. 



35 diameters. 

 No. 25. Another view from the same case as Nos. 21 to 24 (No. 372G 



Mic. Sec), showing the small-celled infiltration around a 



hair follicle. 110 diameters. 

 No. 26. A similar view to No. 25, from another part of the same 



preparation. 110 diameters. 

 No. 27. Epithelial cancer of the lip (No. 4750 Mic. Sec), slice near 



the edge of the tumor, showing diseased labial glands. 13 



diameters. 

 No. 28. Wandering corpuscles among epithelial cells in an epithelial 



cancer (No. 5881 Mic. Sec). 500 diameters. 

 No. 29. A similar view from the same preparation as No. 28. 600 



diameters. 

 No. 30. Invasion of muscle by cancer, transverse section (No. 5862 



Mic. Sec). 200 diameters. 

 No. 31. Another view of the same preparation as No. 30. 200 diame- 

 ters. 

 No. 32. Invasion of muscle by cancer, longitudinal section (No. 3692 



Mic Sec). 200 diameters. 

 No. 33. Tumor of the female breast (No. 3852 Mic. Sec). Gland 



ducts and vesicles pushed apart by a stroma of connective 



tissue. 35 diameters. 

 No. 34. Another view of the same preparation as No. 33. 85 diam- 

 eters. 

 No. 35. A portion of the view given by No. 33. 110 diameters. 

 No. 36. A portion of another section of the same tumor as No. 33 



(No. 3851 Mic. Sec), showing the connective tissue stroma, 



etc, with a higher power. 200 diameters. 

 No. 37. Cysto-carcinoraa of the female breast (No. 5613 Mic. Sec). 



35 diameters. 

 No. 38. Another part of the same section as No. 37. 35 diameters. 



