APPENDIX ON PROTOZOOLOGY 733 I.--NOTES ON RECENT RESEARCHES 733 Differences between _Entamœba histolytica_ and _E. coli_ 733 Phagedænic Amœbæ 733 _Endamœba gingivalis_ 733 _Entamœba kartulisi_ 734 _Craigia_ and Craigiasis 734 Human Trichomoniasis 734 _Chilomastix_ (_Tetramitus_) _mesnili_ 735 _Giardia_ (_Lamblia_) _intestinalis_ 736 _Cercomonas hominis_ 736 Transmissive Phase of Trypanosomes in Vertebrates 737 _Trypanosoma lewisi_ 737 Blepharoplastless Trypanosomes 737 The Experimental Introduction of certain Insect Flagellates into various Vertebrates, and its bearing on the Evolution of Leishmaniasis 737 The Transmission of _Spirochæta duttoni_ 739 _Spirochæta bronchialis_ 739 The Spirochætes of the Human Mouth 740 Coccidia in Cattle 741 The Hæmosporidia 742 The Leucocytozoa of Birds 742
II.--FORMULÆ OF SOME CULTURE MEDIA 742 Culture Media for growing Amœbæ 742 Culture Media for the growth of Protozoa parasitic in the Blood 744
III.--BRIEF NOTES ON GENERAL PROTOZOOLOGICAL TECHNIQUE 745 Fresh Material 745 Stained Material 747 Fixatives 748 Stains 749
APPENDIX ON TREMATODA AND NEMATODA 753 TREMATODA 753 _Artyfechinostomum sufrartyfex_ 753 _Metagonimus_ (_Yokogawa_) _yokogawai_ 753 _Opisthorchis sp._ 753 _Schistosome cercariæ_ 753 _Distomata cercariæ_ 753 Group. _Ferrocercous cercariæ_ 753 Family. _Schistosomidæ_ 753 _Cercaria bilharzia_, Leiper, 1915 754 _Cercaria bilharziella_, Leiper, 1915 754 _Schistosoma mansoni_, Sambon, 1907 754 NEMATODA 754 Ancylostomiasis 754 Ground Itch 754 _Ascaris lumbricoides_ 754 Filariasis 755 _Onchocerca volvulus_ 755 _Strongyloides stercoralis_ 755