204 A. M Verrill — Comparisons of Coral Faience. 



Plate XXVIII. 



Figure 1. — Agaricia nobilis Ver., nov. Type No. 850, from Turks I. Reduced 



to %. Page 150. 

 FigureS. — The same specimen. Part of upper surface, x 1J£. 



Plate XXIX. 



Figures 1, la. lb. — Mycedium explanatum Ver.. nov. Parts of upper side of 



type, No. 6173. x l-±. Page 136. 

 Figure lc. — The same specimen. Vertical section, x If. 

 Figure Id. — The same specimen. Under side, near margin. Natural size. 

 Figures 2, 2a, 2b. — Mycedium tenuicostatum Ver.. nov. Parts of upper side of 



type, No. 6174. x lf v . Page 137. 

 Figure 2c. — The same specimen. Vertical section, x If. 

 Figure 2d. — The same specimen. Under side. . Natural size. 

 Figure 3, 3o. — Echinopora eleyans Ver., nov. Parts of the upper side of the 



type, No. 6180. x %%. Page 138. 

 Figure 4. — Echinopora concinna Ver., nov. Part of upper side of the type, No. 



6182. x 2i/. Page 139. 

 Figure 5. — Podobacia dispar Ver., nov. Part of the upper side of the type, No. 



6178, towards the margin, x \%. Page 136. 

 Figure 5a. — The same specimen. Underside. Natural size. 



Plate XXX. 



Figure 1. — Siderastrcea radians. Group of calicles, from a Florida specimen. 

 No. 1901. x 2}£. Page 153. 



Figure 2. — Siderastrcea siderea. Group of calicles from a West Indian speci- 

 men. No. 1838. x2i£. Page 151. 



Figure 3. — S. siderea, var. nitida Ver., nov. Group of calicles from the type. 

 No. 1028, from Colon, x 2%. Page 152. 



Figure 4. — S. stellata Ver. Group of calicles from one of the types, No. 1464, 

 from Brazil, x 2}£. Page 155. 



Figure 5. — S. stellata, var. conferta Ver. Group of calicles from one of the 

 types, No. 1464a, from Brazil, x 2%. Page 155. 



Figure 6. — Agaricia crassa Ver. Groups of calicles from the type, No. 514, 

 Am. Mus. , from near Nassau, x 2. Page 145. 



Plate XXXI. 



Figures 1, la. — Plesiastrcea Goodei Ver. Groups of calicles from the Bermuda 



type. No. 6628. x 5. Page 106. 

 Figure 2. — Cyphastrcea nodulosa Ver. Side view of the type. No. 542, Ainer. 



Mus., and No. 6625, Yale Mus. From near Nassau, N. P. x 1}?- Page 107. 

 Figures 2a, 2b. — The same specimen. Groups of calicles, x4. 

 Figures 3, 3a. — Porites polymorpha Link. Groups of calicles from a Bermuda 



specimen, x 4. Page 158. 

 Figures 4, 4a. — Porites astreoides Les. Groups of calicles from a Bermuda 



specimen, x 4. Page 160. 



