REFERENCES 
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TABLE OF CONTENTS. 
TO THE PRINCIPAL PHASES OF DEVELOPMENT IN AN 
Segmentation. ; 
Prare XIII. 58, 59, and Pate XII. 387, 38, for Aleyonium digitatum. 
oe exlU. 43, for Gorgonia verrucosa. 
Blastosphere (in section). 
IPGAMEN eesols 26, for Actinia mesembranthemum. 
GS Ul, 1, ‘* Cerianthus membranaceus. . 
Gastrula. 
PrATE) eXIe 27, 28, for Actinia mesembranthemum, 
es XIL. 2, 3, ‘* Cerianthus membranaceus. 
Free-swimming larva. 
Prare | SX 5-23, for Actinia mesembranthemum. 
> XTTE 3-15, ‘* Cerianthus membranaceus. 
ss oe 16-20, 26, 34-36, for Edwardsia. . 
oe x 39, for Aleyonium digitatum. 
SMI 1-6, ‘* Astroides calycularis. 
ce uss 12, ‘ Balanophyllia regia. 
ss “s 16, ‘* Gorgonia verrucosa. 
ot ee 29-31, ‘* Corallium rubrum. 
ss cs 45, ‘* Astraea sp. ? 
se CG 47, ‘* Renilla reniformis. 
Mesenteries and mesenterial filaments. 
PuatE XI. 5-25, for Actinia mesembranthemum., 
ss es 29-31, ‘* Actinia sp. ? 
$6 es 33, ‘© Actinia equina. 
Ee Sf 85, 36, ‘* Adamsia diaphana. : 
“ es 37, H’. J’. K’. Aiptasia lacerata. (New mesenteries in the offshoot.) 
ae \GHIE 5, 8, 9, for Cerianthus membranaceus. 7 
ud ce 16, 18, 20, 22, 23, 27-36, for Edwardsia. 
& fe 41-43, for Aleyoninm digitatum. 
C3 G00 2-5, 19, 20, for Astroides calycularis. a 
uf ss 15, for Balanophyllia regia. 
cc Gs 17, ‘‘ Astraea sp. ? 
cc Cs — 47-52, ‘* Renilla reniformis. 
Tentacles. 
PrAmB ee EX: 20-25, for Actinia mesembranthemum. 
st XING 5, 6, 12-15, for Cerianthus membranaceus. 
$ fs 16-23, 26, 33, for Edwardsia. 
CO) 2.10 4, 10, for Astroides calycularis. 
The corallum. 
Puare XIII. 8, 10, 11, 18-28, for Astroides calyeularis. 
as es 88, 41, for Corallium rubrum. 
ee 46, ‘* Gorgonia verrucosa, 
Scissiparity. 
Prats XI. 87, for Aiptasia lacerata. 
