440 



INDEX — GLOSSARY. 



Antenna, one of the first or second 

 pair of jointed appendages, 

 "feelers," on the head of an 

 Arthropod. 



Antennae, of moth, 78 



Antennule, one of the first pair of 

 jointed appendages on the 

 head of a Crustacean. 



Anterior, 311 



Anther, 123 



Antheridium, 264 



Anthocerotaceae, 270 



Anthozoa, 529 



Antibodies, 777 



Antimere, 335 



Antitoxin, 776, 777 



Antlers, 348 



Ant hon, 585 



Ants, 590 



polymorphism in, 740 



Anura, 640 



Anvil, 403 



Apanteles, 236 



Apes, 652, 668 



Aphids, 227, 590 



Apical cell, 710 



Aplanospores, non-motile spores, 247 



Apothecium — the concave fruiting sur- 

 face of a fungus, 258 



Appendages, of Arthropods, 412 

 of Vertebrates, 170, 413, 792 



Apteryges, 650 



Apterygogenea, 577 



Aptery.x, 175, 650 



Aquatic plants, 184-191 



Aqueous humor, 382 



Arachnoidea, 566 



Araneida, 569 



Archaeopteryx, 247, 806 



Archegoniates, those cryptogams 

 which bear archegonia, viz., 

 Bryophyta and Pterido- 

 phyta, 266 



Archegonium, 264 



Archenteron, the primitive intestine, 



714 

 Arethusa, 848 ' 



Aristotle's lantern, 555 



Armadillo, 421, 652, 661 



Artemia, 687 



Arthostraca, 561, 563 



Arthropoda (Gk. jointed foot), 557 



Arthropods, appendages of, 412 

 chemical sense of, 370 

 circulatory system of, 471 

 digestion in, 458, 459, 467 

 Numbers refer to paragraphs; Black Face 



Arthropods, eyes of, 378 



exoskeleton of, 417 



glands of, 350 



growth in, 731 



locomotion of, 412 



nervous system of, 443 



segmentation of, 336 



sense organs of, 361 

 Artiodactyla, 666 

 Ascaris, 687, 695, 758 

 Aschelminthes, 538 

 Ascidians, 621 



structure of, 621 



symmetry of, 321 

 Asclepias, 851 

 Ascomycetes, 256 

 Ascus (Gk. a bag), 256 

 Ash, 64 



Aspidobranchia, 600, 601 

 Assimilation — the process of trans- 

 forming food into the living 

 substance, 6, 486 

 Association fibres, 439-441, 

 Asteroidea, 552 

 Asymmetry, 318 

 Atrium, 621 



Attraction sphere — a rounded mass 

 of the cytoplasm which en- 

 closes the centrosome, 685 

 Auditory organ, 396 



meatus, 401 

 Auricle, 401 

 Australian fauna, 825 

 Autobasidiomycetes, 255 

 Autogamy — self fertilization, 144 

 Aves, 646 



structure of, 646 

 Axil, 56 



Axillary bud, 56 

 Axis of locomotion, 310 



Babesia, 771 

 Bacillus, 227 



aceti, 229 



anthracis, 231 



coli communis, 231 



diphtherias, 231 



pneumoniae, 231 



tetani, 231 



tuberculosis, 231 



typhi, 231 



vulgaris, 230 

 Bacteria, 58-61, 180, 217, 227-231, 



673, 778 

 as parasites, 772, 773 

 nucleus of, 673 

 numbers refer to figures. 



