258 
Figs. 97 and 98. Halomitra philippinensis. Banda, 0—25 m Young specimen 
with only very few secondary calicles. 
Fig. 99. Halomitra robusta. Banda, off Neira, 20—25 m. Side view of stalked 
anthoblast. 
Figs. 100—103. Halomitra robusta, Banda, off Goenoeng Api, 11—25 m. 
Upper and lower surface of two young anthoblasts. 
Fig. 104. Halomitra robusta, Banda, 0—25 m. Part of the upper surface of 
the specimen represented in fig. 116. 
Plate IX. 
Fig. 105. Halomitra philippinensis, Banda, off Goenoeng Api, ca. 2 m. Ar- 
ched specimen with more or less concentric rows of secondary calic¬ 
les. X Vs. 
Fig. 106. Halomitra philippinensis, Amboina, 0—2 m. X Vs. 
Fig. 107. Halomiti^a robusia, Amboina, 0—2 m. Side view of a regularly 
arched specimen. x Ve. 
Fig. 108. Halomitra robusta. Banda, 0—25 m. Flat specimen with upturned 
marginal part. About V 4 nat. size. 
Fig. 109. Polyphyllia talpina, Banda, 0—25 m. Long and narrow specimen 
in which the calicles of the axial fossa are clearly to be disting- 
uished. x ^'e. 
Fig. 110. Polyphyllia talpina, Amboina, 0—2 m. A large specimen of the 
usual shape. X Ve. 
Fig. 111 . Halomitra philippinensis. Banda, off Goenoeng Api, ca.-25 m. Side 
view of highly arched specimen. X Vs. 
Fig. 112. Halomitra robusta, Doelah laut, Kei Islands, reef. Very regular 
specimen. x Vs. 
Fig. 113. Halomitra robusta, Banda, 0—25 m. Large flat specimen with irre- 
gularly developed marginal part. About Vs nat. size. 
Fig. 114. Halomitra robusta, Banda, 0—25 m. Flat specimen. x Vs. 
Figs. 115 and 116. Halomitra robusta, Banda, 0 —25m. Specimens with very 
small septal dentations. x V?. 
Fig. 117. Herpolitha Umax, Banda, off Goenoeng Api, 0—2 m. Lower surface 
of a large regenerated specimen with a bud. X Vs. 
Figs. 118 and 119. Halomitra philippinensis. Banda, 0—25 m. Upper and 
lower surface of a comparatively flat specimen found upside down. X V«. 
Fig. 120. Halomitra robusta. Banda, 0—25 m. Lower surface of a specimen 
found upside down. x Vs- 
Fig. 121. Halomitra philippinensis. Lower surface of the specimen represented 
in fig. 111. X Vs. 
Fig. 122. Halomitra robusta, Banda, 0—25 m. Arched specimen. x V 7 . 
Plate X. 
Fig. 123. Halomitra echinatus, Banda, 0—25 m. Upper surface of a large 
regenerated colony. 
