INDEX 



All numbers refer to pages : words in italics are names of families, genera 

 and species : words in thick type are names of higher divisions : words 

 in small capitals are names of examples. Numbers in thick type are 

 numbers of pages on which there are figures referring to the word 

 indexed. 



528 



Abactinal, 158 

 Abdomen, of Astacus, 213 : Apits, 



232 : Lepus, 347, 499 

 Acanthobdella, 210 

 Acarida, 253, 259 

 Acetabulum, 498 

 Aciculum, 191 

 Acineta, 51 

 Acorn-shells, 235 

 Acrania, 322 See Amphioxiis 

 Acromion process, of Rabbit, 496 

 ActinobohiS) 49 

 Actinoimna asteracanthion, 32 

 Actinophrys sol, 26 

 Actitwsphceriu/n eichhortiii, 27 

 Actinozoa, 115-125: Example, 115 

 Adamsia palliata, 125 

 Adelochorda, 310 

 Adhesive cells, Ctenophora, 127 

 Adipose tissue, 65 

 Afferent branchial arteries See 



Vascular system 

 Air-sacs, of Insects, 246 : of Birds, 



475 



Albatrosses, 485 

 Alcyonarium palmatum, 119 



Alligator, 432, 447, 453 



Alternation of generations, 100 



Ambulacral grooves of A sterias, 159 



Ambulacral ossicles of Asfertas, 161 



Ambulacral system of Echinoderm- 

 ata, 159 et see/. 



AMCEBA, 14-19 



Amphibia, 405-430 



Amphidiscs, 89 



Amphineura, 263 : Structure and 

 characteristics of, 28o-296 



Amphioxus, classification and gen- 

 eral structure, 321 et seg. 



Amphisboenians, 437* 45 



Anatomy, 4 



Anguis, 434 



Angular process, 495 



Animal kingdom, how divided, 7 



Annulata, 188 



ANODONTA, 264 



Anomahirus, 535 



Anoplophyra^ 49 



Anteater, scaly, 528 



Anteater, spiny, 521 



Anteaters, 526 



Antedon, 175 



Antelopes, 519 



Antenna See Appendages 



Antennary glands, 222 



