INDEX. 



Abdomen, 67, 128 

 Abdominal ganglia, 73 

 Adductor muscles, 58, 59 

 Adductor muscle, anterior, 59 

 Adductor muscle, posterior, 59, 



61,65 



Adhesive glands, 143 

 Adrenal bodies, 106, 123, 138 

 Aerial hyphae, 40 

 Air-bladder, 114 

 Air-bubbles, 6 

 Air-sacs, 117, 118 

 Air-space, 146 

 Albumen, 146 

 Aleuroue, 90, 91 

 Alimentary canal, 16, 17, 23 

 Allantois, 150, 152 

 Amaryllidacege, 86 

 Amaryllideae, 86 

 Amaryllis, 86 

 Amnion, 149. 150, 152 

 Ampelopsis 80, 81 

 Anal spot, 30, 33 

 Augiosperm, 80 

 Annual rings, 79 

 Annular vessels, 81, 82 

 Aunulus, 11, 43 

 Antennae. 67, 74 

 Autenuules, 67, 74 

 Anterior adductor muscle, 59 

 Anterior commissure, 125 

 Anterior folds, 149 

 Anterior median seminal vesicle, 



19 

 Anterior nares, 96 



Anterior retractor muscle, 59 

 Antero-posterior differentiation, 



14 



Anther, 85 

 Antheridium, 12, 77 

 Antibrachium, 96, 129 

 Anus, 15, 61, 67, 113, 128, 144 

 Aortic arches, 16, 103, 104, 150, 



151 



Aortic bulb, 115, 145 

 Aperture, exhalent, 59 

 Aperture, inhalent, 59 

 Appendages, 67, 73, 74 

 Appendages, pyloric, 114 

 Aqueous humor, 126, 142 

 Archegonium, 12, 77 

 Archenteron, 144, 148, 151 

 Arches, aortic, 16, 103, 104, 150, 



151 



Arches, visceral, 152 

 Area vasculosa, 149, 150, 151 

 Arteries : 



abdominal superior, 69 



antennary, 69 



aorta, 122, 134 



dorsal aorta, 104, 115, 122, 123, 

 134, 136, 145, 149, 150 



ventral aorta, 115 



aortic arches, 16, 103, 104, 150, 

 151 



brachial, 122, 135 



carotid, 104 



carotid arch, 104 



caudal, 123 



cephalic circle, 115 



153 



