Hıstorvsıs. 
Cellular, i. 181, 144, 145; iii. 5, 7, 8. 
MORPHOLOGY, GENERAL. 
Bilateral symmetry, i. 111; ii. 9. 
Change of form, ii. 24. 
Evagination, ii. 10, 11. 
Form of body, ii. 2. 
Germ layers, relation of, to bud layers, 
ii. 88. 
Invagination, ii. 8, 9, 102. 
Region of growth, ii. 9. 
Rotation of axes, ii. 24, 25, 62, 63. 
Unequal growth, ii. 25. 
MORPHOLOGY, SPECIAL. 
Bryozoa, aspects of, i. 102, 103; iii. 33. 
ONTOGENY, GENERAL. 
Blastopore, ii. 104, 105. 
in buds, iii. 23. 
concrescence of lips of, in bud, iii 
23. 
Blastulation, ii. 68. 
Body cavity, i. 124. 
Cleavage, i. 124; ii. 68. 
Entoderm, ii. 89-95. 
loss of, through loss of function, ii. 
93-95. 
Gastrulation, i. 124, 125; ii. 90-92; ii. 
23. 
Mesenchyme, i. 125. 
Mesoderm, i. 125; ii. 68, 91-94. 
Oógenesis, ii. 69, 97. 
Schadonology, General, 
Larval life modified by 
fresh water, ii. 89. 
intra-uterine life, ii. 89; iii. 33. 
—— length of, ii. 98, 94. 
Schadonology, Special, 
Bryozoa, ii. 89-95. 
Cyphonautes, ii. 91-94. 
Comparison of Endoproct and Ecto- 
proct larvz, ii. 105. 
Spermatogenesis, iii. 15. 
42 BULLETIN OF THE 
ONTOGENY, SPÉCIAL. 
Bryozoa, 
Relation of blastopore to region of ori- 
gin of first polypide, ii. 92. 
Relation of blastopore to embryonic 
tissue, ii. 97, 105. 
ORGANOGRAPHY. 
Bryozoa, 
Alimentary tract, i. 111-118, 1249, 127°, 
139-1410; ii. 19, 57, 58, 62, 640, 1040; 
iii. 11-144, 280, 
— of larva, ii. 90, 91°. 
Anus, i. 1400; ii. 20, 21, 24, 57, 58, 
62, 630; iii. 11-134, 30P, 
Atrial fold, iii. 114. 
Atrial groove, iii. 10, 114F 
Atrial opening, i. 1440; ii. 31, 320; 
iii. 940, 
Atrium, i. 110, 1120; ji. 18-21, 57, 58, 
1080; iii. 10, 114, 230, 
Avicularia, ii. 64. 
Basal plate, iii. 164, 25, 27HFP, 
homology with stolon, iii. 27. 
Branch, ii. 9, 110; iii. 16, 174, 24H, 27F, 
Body cavity, iii. 134, 31P, 
Body wall, i. 117-120, 122-1240; ii, 12- 
18, 530; iii. 9H, 
Brown body, ii. 64-660. 
Cardiac valve, i. 1400; ii. 199. 
Calyx, iii. 9. 
Cirrus. See Tentacle. 
Cloaca, iii. 11, 14, 15, 294. 
Closing cell of diaphragm, iii, 8H, 
Coecum, i. 140, 1410; ii. 19, 20, 639; 
iii. 38°, 
Coelomic epithelium. See Mesoderm. 
Conoceel, i. 103; iii. 83°. 
Collare setosum, ii. 320, 103P. 
Couronne (of larva), ii. 90. 
Communication plate, ii. 32, 330, 38- 
40, 76, 78". See also Septum. 
Diphragma, ii. 32, 63, 1030P ; iii. 9P. 
Ectoderm, ii. 979; iii. 4, 5, 9H, 
Endosare, i. 120, 1280P, 
Entoderm, ii. 89-95, 970, 
Epistome, i. 138, 1390; ii. 610; iii. 114P, 
34P, 
