VJ CONTENTS. 



CHAPTER V THE INVESTIGATIONS OF PREYER ON THE CRYSTALLOGRAPHY or HEMOGLOBIN 93-106 



Processes Used by Preycr for Obtaining Crystals in Large Quantities 94 



Processes Given by Preyer for Obtaining Crystals in Small Quantities 98 



The Forms and Systems of Crystallization of Hemoglobins. ... . . . .......... 



Table 31. Preyer's Table Showing the Source of Hemoglobin Crystals, Crystalline Form, 



Crystalline System, etc 103-106 



CHAPTER VI. THE PREPARATION AND CRYSTALLOGRAPHY OF HEMOGLOBINS SINCE PREYER'S INVES- 

 TIGATIONS 107-130 



CHAPTER VII. CRYSTALLOGRAPHY OF HEMOGLOBIN IN RELATION TO SPECIES, ACCORDING TO PRE- 

 VIOUS INVESTIGATORS, WITH EXPLANATIONS OP VARIOUS CONTRADICTORY STATE- 

 MENTS, ETC 131-140 



CHAPTER VIII. METHODS FOR PREPARING, EXAMINING, AND MEASURING CRYSTALS OF THE HEMO- 

 GLOBINS EMPLOYED IN THIS RESEARCH 141-147 



Methods for Preparing Crystals of Hemoglobin 141 



The Value of the Crystallographic Method of Investigation 144 



The Petrographical Microscope and its Use 145 



CHAPTER IX. CRYSTALLOGRAPHY OF THE HEMOGLOBINS OF PISCES, BATRACHIA, AND REPTILIA . . 149-160 



Pisces 149 



Oxyhemoglobin of Raia Isevis (Barndoor Skate) 149 



Oxyhemoglobin of Acipenser sturio (Sturgeon) 150 



Oxyhemoglobin of Alosa sapidissima (Shad) 152 



Metoxyhemoglobin of Alosa sapidissima (Shad) 153 



Reduced Hemoglobin of Alosa sapidissima (Shad) 154 



Methemoglobin of Alosa sapidissima (Shad) 155 



Metoxyhemoglobin of Cyprinus carpio (Carp) 156 



Reduced Hemoglobin of Cyprinus carpio (Carp) 156 



Batrachia 157 



Oxyhemoglobin of Necturus maculatus (Necturus) 157 



Reduced Hemoglobin of Necturus maculatus (Necturus) 158 



Reptilia 158 



a-Oxyhemoglobin of Python molurus (Indian Python) 159 



^-Oxyhemoglobin of Python molurus (Indian Python) 160 



CHAPTER X. CRYSTALLOGRAPHY OF THE HEMOGLOBINS OF AVES 161-171 



Aves 161 



Methemoglobin (?) of Struthio camelus (African Ostrich) 162 



Oxyhemoglobin of Casuarius galeatus (Cassowary) 162 



Oxyhemoglobin of Anser anser (Goose) 163 



Oxyhemoglobin of Olor buccinator (Trumpeter Swan) 164 



Oxyhemoglobin of Olor columbianus (Whistling Swan) 164 



Oxyhemoglobin of Gallus domestica (Chicken) 165 



Oxyhemoglobin of Colinus virginianus (Quail) 166 



Oxyhemoglobin of Numida meleagris (Guinea-fowl) 167 



"-Oxyhemoglobin of Columba livia var. (Carrier Pigeon) 168 



Metoxyhemoglobin of Columba livia var. (Carrier Pigeon) 168 



Reduced Hemoglobin of Columba livia var. (Carrier Pigeon) 169 



/'-Oxyhemoglobin of Columba livia var. (Carrier Pigeon) 169 



Oxyhemoglobin of Corvus americanus (Crow) 170 



Reduced Hemoglobin of Corvus americanus (Crow) 171 



CHAPTER XI. CRYSTALLOGRAPHY OF THE HEMOGLOBINS OF THE MARSUPIALIA, EDENTATA, AND 



SIRENIA 173-188 



Marsupialia 174 



n-Oxy hemoglobin of Didelphis virginiana (Opossum) 175 



/'-Oxyhemoglobin of Didelphis virginiana (Opossum) 176 



Reduced Hemoglobin of Didelphis virginiana (Opossum) 177 



n-CO-hemoglobin of Didelphis virginiana (Opossum) 178 



^-CO-hemoglobin of Didelphis virginiana (Opossum) 179 



Oxyhemoglobin of Sarcophilus ureinus (Tasmanian Devil) 180 



Reduced Hemoglobin of Dasyurus maculatus (Spotted Dasyure) 181 



Oxyhemoglobin of Dasyurus viverrinus (Australian Cat) 182 



"-Oxyhemoglobin of Thylacynus cynocephalus (Tasmanian Wolf) 182 



'-Oxyhemoglobin of Thylacynus cynocephalus (Tasmanian Wolf) 183 



Oxyhemoglobin of Trichosurus vulpecula (Vulpine Phalanger or Cuscus) 183 



