Part 32

Pelagothuria ludwigi, 33

Penycuik, Experiments on telegony at, 79, 84

Periostracum, 2

Periya paar, 12

Peruvian bark, Use of, 139

‘Phæodaria’ existing in radiolarians, 34

Philippine Islands, 16

Piana, House-fly harbours a larval nematode, Dispharagus nasutus (Rud.), 181

Pigeons, Breeding experiments with, 89

‘Pintadin,’ 8

Piroplasma, 170 conveyed by Hæmophysalis leachi, 171 Malignant jaundice or bilious fever in dogs caused by a, 171

Piroplasmosis spoken of as Texas fever, tick fever, blackwater, redwater, etc., when present in cattle, 170

Piroplasmosis, Heartwater in sheep a form of, 171 Under the name of Rocky Mountain fever, spotted or tick fever, the disease attacks man, 171

Plankton Expedition, 27

Pliny, 1 on British pearls, 5 on Ceylon pearls, 8

Plunkett, Sir Horace, 67

Polarization, 106

Poole, Colonel, Stripes of Kathiawar horses, 83

Port Swettenham, Malaria reduced at, 162

Prepotency, Importance of, in breeding, 91 Obtained by inbreeding, 91 Sport often prepotent, 95

Prismatic layer, 2

Protozoa, Discovery of, in Malaria, 134

Puehler, 17

Pullen, Captain, 21

Pycnogonids, Legs of the, 37

Quagga, Domestication of the, 75, 82

Quinine, Introduction of, into Europe, 139 Use of, in Malaria, 139, 150, 162

Rabbits, Breeding experiments with, 87