CONTENTS. Xi 



CHAPTER III. 



PREPAEATION AND PRESERVATION OP ANATOMICAL SPECIMENS. 



PAOB 



Preparation of Bones 103-111 



General directions 103 



Removing soft parts from alcoholic specimens 105 



Removal of soft parts by ants or Dermestes 105 



Putrefactive maceration in water 105 



Boiling in liquid soap 106 



Preparation of Skulls 107 



Cements for Bones and Teeth 107 



Preparation of Natural Skeletons 108-109 



Flexible natural skeletons 109 



Preparation of the Bones of Young Animals 109 



Disarticulating Skulls 109 



Bleaching Bones 110 



Preservation of Soft Parts 111-131 



Agents preventing decomposition Ill 



Mhyl Alcohol — Absolute and Commercial 113 



Table of percentages of alcokol 113 



Leading characteristics of alcohol 113 



Inflammability of alcohol and precautions against fire 114 



Determination of percentages of alcohol with the alcofimeter 114 



Determination of and changing the percentage of alcohol 115 



Table of the amount of alcohol and water to mix in order to obtain a 



required percentage 116 



Kind of water to mix with alcohol 116 



Use of Alcohol in Preserving Animals 117-131 



Bleeding the animal 117 



Opening the abdomen and expelling the faeces 118 



Injection of alcohol into the thorax and abdomen 118 



Injection of alcohol into the lungs, stomach and intestines 119 



Injection of the arteries 119 



Treatment of Special Animals, Organs and I'issu^s 120 



Amount of Alcohol required for a Specimen 131 



Provisional Preparations 131 



Deterioration of Alcohol 133 



Purification of alcohol by settling and filtration 133 



Alcohol Vapor as a Preservatiiie 133 



Methyl Alcohol or Wood Spirit 134 



Wickers/ieimer's Preservative Fluid 134 



Chloral Hydrate 124 



Brine 125 



Temporary Storage of Alcoholic Specimens 135 



Leakage and evaporation 125 



Glass dishes and boxes for specimens 126 



Exhibition or Permanent Storage of Alcoholic Specimens 126 



Metal cans, screw-top cans 136 



