552 



INDEX 



appendages, 510 



appendicular muscles, 190, 192, 193 



appendictilar skeleton, 122, 162 



appendix, 297, 298 



appendix testis, 392, 394 



aqueductus cerebri, 412 



aqueductus Sylvii, 412 



aqueductus vestibuli, 486 



aqueous humor, of eye, 501 



arachnoids, 522, "524 



arachnoid theory of vertebrate an- 

 cestry, 522, 525 



Archaeopteryx, 19, 32 



archencephalon, 411, 443, 527 



archetype, 500, 509 



archipterygium, 176, 185 



archisternum, 138, 141 



area centralis, of retina, 499 



armadillo, 85, 393 



Artemia, 55 



arterial arches, 320, 321, 328-339 



artery, or arteries: 318, 328; al- 

 lantoic, 322; anonyma, 332; 

 aorta, aortse, 320, 326, 339, 351, 

 354; aortic arch, 331, 356; affer- 

 ent branchials, 325, 329; arterial 

 arches, 320, 321, 328; branchials, 

 afferent, 325, 329; branchials, 

 efferent, 326; carotid, 321, 326, 

 332-339; carotis cerebralis, 333, 

 338; caudal, 339; common 

 carotid, 338; ductus arteriosus, 

 331 ; ductus botalli, 331 ; efferent 

 branchials, 326; external carotid, 

 338; hypoglossal, 335; iliac, 322, 

 326, 339; innominata, 332; in- 

 fra-orbital, 335; intercostal, 339; 

 internal carotid, 338; liga- 

 mentum arteriosum, 330; liga- 

 mentum botalli, 330, 331; lingu- 

 alis, 3355 lumbar, 339; man- 

 dibularis, 335, 338; maxillaris, 

 335; mesenteric, 339, 340; poste- 

 rior aorta, 320; pulmocuta- 

 neous, 330; pulmonary, 330; 354; 

 sacralis media, 339, 340; seg- 

 mental, 335; stapedialis, 159, 

 337, 338; subclaviae secundarise, 

 331; subclavian, 322, 326, 332, 

 339; supra-orbital, 335; umbili- 

 cal, 322; vertebralis cerebralis.^ 

 335- 



articulare, 159, 495 



articulates, 258, 259, 463 



articulation of jaw, 450 



Artiodactyla, 39 



arytaenoids, 160, 313 



Ascalabotae, 487 



Ascaris, 54 



assimilation, 2 



Ateles, 254 



atlas, 133 



atriopore, of Amphioxus, 526 



atrium, 324, 353, 357 



auditory hairs, 488 



auditory ossicles, 159 



auditory tube, 494 



auricula, 496, 497 



Auricularia, 536, 537 



axial muscles, 190, 192, 200, 217 



axial skeleton, 122 



axillary arch, 251 



axis, 133 



axolotl, 440 



B 



babyroussa, 274 



Balanoglossus, 26, 303, 533, 534, 

 535, 536, 537 



basihyal, 160, 284 



basioccipital, 150 



basipterygium, 169, 175 



basisphenoid, 150 



bat, 183, 184, 292, 394, 433, 496 



bats, insectivorous, 301 



beak: of birds, 84, 105; of tur- 

 tles, 84. 



beaker cells, no 



belly, of a muscle, 197 



biogenesis, law of, 15, 58 



Bipinnaria, 536, 537 



birds, in, 172, 174, 182, 183, 184, 201, 

 202, 203, 220, 249, 253, 263, 268, 

 272, 290, 296, 315, 352, 353, 354, 

 355, 356, 360, 375, 377, 35, 386, 

 398, 414, 415, 416, 419, 426, 437, 

 439, 465, 475, 483, 488, 489, 491, 

 495, 500, 504 



birds, toothed, 272 



bisexual, 49 



bladder, 377, 378 



blastocoele, 59 



blastodermic vesicle, 73 



blastula, 58 



