LIST OF ILLUSTRATIONS. 



FIG. PAGE 



1. Apparatus for coagulation temperature. (Gamgee.} A 



2. Apparatus for fractional heat coagulation. (Halliburton. ) u 



3. Potato starch '. . 17 



4. Potato starch viewed with crossed Nicols. (Stirling.) 18 



5. Dextrose. (Hill.) 20 



6. Phenyl-glucosazon. (Stirling.) ....... 21 



7. Maltose. (Hill.) 23 



8. Phenyl-maltosazon. (Stirling.) ....... 23 



9. Lactose. (Hill.) 24 



10. Phenyl-lactosazon. (Stirling.) ....... 24 



n. Cane sugar. (Hill.) . 24 



12. Laurent's polarimeter. (Laurent.) 26 



13. Wild's polaristrobometer. (Hermann and Pjister.) .... 27 



14. Interference lines, seen with fig. 13 28 



15. Gad's experiment. (Stirling, after Gad.) 30 



16. Exsiccator. (Gscheidlen.) 40 



17. Apparatus for obtaining clear serum. (Drechsel.) .... 41 



18. Bernard's apparatus for estimating sugar. (Stirling.} ... 42 



19. Incineration of a deposit. (Gscheidlen.') 43 



20. Gower's haemocytometer 44 



21. Rat's haemoglobin crystals. (Stirling.} 45 



22. Spectroscope. (JSroivning.) 46 



23. Platinum wire support for sodium flame. (Gscheidlen. ) . . .46 



24. Spectra of haemoglobin. (Landois and Stirling.) . . . 47 



25. Absorption by oxy-hsemoglobin. (Rollett.} ..... 48 



26. Absorption by reduced haemoglobin. (Rollett.} ..... 48 



27. Hermann's haematoscope. (Rollett.} 50 



28. Spectra of derivatives of haemoglobin. (Landois and Stirling. ) . 51 



29. Haemochromogen apparatus. (Stirling.) 52 



30. Spectrum of methaemoglobin. (V. Jaksch.} 52 



31. Spectroscope for wave-lengths. (Landois and Stirling.} ... 55 



32. Wave lengths of haemoglobin and its compounds. (Prcyer and Gamgee. ) 57 



33. Spectra of derivatives of haemoglobin. (Preycr and Gamgee.} . . 58 



34. Haemin crystals. ( V. Jaksch. ) 59 



35. Hsemoglobinometer of Gowers ........ 60 



36. Fleischl's haemometer ......... 61 



37. Bizzozero's chromo-cytometer 62 



38. Several parts of fig. 37 ......... 63 



39. Micro-spectroscope of Zejss , , , , . . .66 



