Part 20

Acarines, 171

Acids, butyric, Formation of, 110 glycerine and succinic, Formation of, 110 lactic, Fermentation of, 110 tartaric, 105

Acrobothrium, 14

Acton, Lord, Library of, 214

Africa: Native children infected with malaria, 162 Native population permeated with the malarial parasite, 152 West Coast of, Average of two malarial attacks a year amongst British soldiers on the, 131

Agassiz, A., 20, 77

Alcohol, Fermentation of, 110

Alexander’s Bucephalus, 84

Algæ, 24, 25 Absence of, below 200 fathoms, 21

Allman, Professor, 22, 67

Amblyomma hebræum conveys the heartwater disease in sheep, 172, 173

America, Distribution of malaria in, 132 Gifts of the Universities of, 185

Anodonta, 4

Anopheles, 144, 145 bifurcatus, 147 does not fly far by itself, 161 Eggs of, 148 Larvæ of, 148 Life-history of, 148, 149 maculipennis (claviger), 147, 148 Male, 149 nigerrimus, 158 nigripes, 147 Position of, 159 Pupæ of, 148

Anthrax, 120, 121 produced by Bacillus anthracis, 121 Appendicularia, 39

Arbois, 103, 106

Argas persicus conveys the chicken disease of Brazil, 173

Aristoeopsis, Antennæ of, 37

Arnold, Sir Edwin, 1

Arragonite, 1

Arripo, 4

Arsenic-eaters of the Tyrol, 124

Austen, Map of the geographical distribution of the tsetse fly by, 166 Mortality amongst the horses in the Abyssinian campaign caused by the tsetse fly, 166 On the distribution of the fly, 176

Australia, Distribution of malaria in, 132

Baciocchi, Princess, 118

Bacillus anthracis, Behaviour and life-history of, 121 susceptible to variations of temperature, 121 butyricus, 110 typhosus, 178

Bacilli, Aerobic, 111 Anaerobic, 111

Bache, 19