53. THE MAMMALIA IN THEIR RELATION TO PRIMEVAL TIMES. By OSCAR SCHMIDT. $1.50. 54. COMPARATIVE LITERATURE. By HUTCHESON MACAULAY POSNETT, M. A., LL. D., F. L. S., Barrister-at-Law; Professor of Classics and English 55. EARTHQUAKES AND OTHER EARTH MOVEMENTS. BY JOHN MILNE, Professor of Miuing and Geology in the Imperial College of Engineering, Tokio, Japan. With 38 Figures. $1.75. 56. MICROBES, FERMENTS, AND MOULDS. By E. L. TROUESSART. With 107 Illustrations. $1.50. 57. THE GEOGRAPHICAL AND GEOLOGICAL DISTRIBUTION OF ANIMALS. BY ANGELO HEILPRIN. $2.00. 58. WEATHER. A Popular Exposition of the Nature of Weather Changes from Day to Day. With Diagrams. By Hon. RALPH ABERCROMBY. $1.75. 59. ANIMAL MAGNETISM. BY ALFRED BINET and CHARLES FÉRÉ, Assistant Physician at the Salpêtrière. $1.50. 60. INTERNATIONAL LAW, with Materials for a Code of International Law. By LEONE LEVI, Professor of Common Law, King's College. $1.50. .61. THE GEOLOGICAL HISTORY OF PLANTS. With Illustrations. By Sir J. WILLIAM DAWSON, LL. D., F. R. S. $1.75. 62. ANTHROPOLOGY. An Introduction to the Study of Man and Civilization. By EDWARD B. TYLOR, D. C. L., F. R. S. Illustrated. $2.00. 63. THE ORIGIN OF FLORAL STRUCTURES, THROUGH INSECT AND CTHER AGENCIES. By the Rev. GEORGE HENSLOW, M. A., F. L. S., F. G. S. With 88 Illustrations. $1.75. 64. ON THE SENSES, INSTINCTS, AND INTELLIGENCE OF ANIMALS, WITH SPECIAL REFERENCE TO INSECTS. By Sir JOHN LUBBOCK. With over 100 Illustrations. $1.75. 65. THE PRIMITIVE FAMILY IN ITS ORIGIN AND DEVELOPMENT. By Dr. C. N. STARCKE, of the University of Copenhagen. ANIMAL PARASITES AND MESSMATES. BY P. J. VAN BENEDEN, PROFESSOR AT THE UNIVERSITY OF LOUVAIN, CORRESPONDENT OF THE INSTITUTE OF WITH EIGHTY-THREE ILLUSTRATIONS. NEW YORK: D. APPLETON AND COMPANY, 1, 8. AND 5 BOND STREET. 1889. purchase ALJA Definition-Free Messmates-Fixed Messmates Found in all Classes-Fierasfers in Holothuridae-Pilot Fish- Remora-Crustacean Messmates-Poisoning by Mussels-Pearl Mussel and small Crab-Dromia-Turtle Crabs-Macrourous Decapods-Hermit Crabs-Friendship of Pagurus and Anemone -Isopods-Messmates on Whales Molluscan Messmates- Cirrhipedes-Importance of Embryology-Recurrent Development -Messmates, characteristic of the various Species of Whales -Cirrhipedes on Sharks - Crustaceans, Messmates on other Crustaceans - Cirrhipedes on Molluscs - Bryozoa - Fossil Ricinide-Trichodectes of Dog harbouring Larva of Distinction between Parasites and Carnivora-Parasites found on all Classes of Animals-Males dependent on Females-Parasites on Man-Abundant Parasites in Stork-All the Organs nourish Parasites - Different size of Male and Female-Lerneans— Diplozoa-Migration of Parasites-Corresponding Changes of PARASITES FREE DURING THEIR WHOLE LIFE. Leeches-Vampires-Cylicobdella-Branchellions-Gnats-Black- flies-Mosquitoes-Gnats in high Latitudes-Tsetse-Ox-flies- Isopod Parasites - Chigoe-Ticks-Pigeon-mite-Bopyride-Ich- ... ... 107 PARASITES THAT ARE FREE WHEN OLD. Utility of Ichneumons-Scolio of Tan-beetles-Scolyti of Seychelles |