A. E. Verrill — Comparisons of Coral Faience. 203 



Plate XXV. 



Figure 1. — Mussa (Isophyllia) multiflora Ver., sp. nov. A young specimen (No. 

 4009). Natural size. Page 126. 



Figure 2. — Mussa (Symphyllia) rigida (Dana). Type of Dana. No. 4297. Trans- 

 verse section, x 2. Page 127. 



Figivre 3. — The same. A fresh Bahama specimen, in Arner. Mus. Nat. Hist. 

 Natural size. Page 128. 



Figure 4. — Mussa Harttii, var. conferta Ver. Vertical section of type, x 2. 

 Page 128. 



Figure 5. — Favia Whitfieldi Ver. , sp. nov. Type, in Amer. Mus. Nat. Hist. No. 

 543. Natural size. Page 132. 



Plate XXVI. 



Figures la, 16. — Agaricia fragilis Dana, from Bermuda. Upper and under sides 

 of two symmetrical young specimens of ordinary size and form. Reduced 

 to f . Page 142. 



Figure lc. — The same. Upper side of a specimen with two primary calicles, 

 perhaps due to the early coalescence of two young specimens. Page 142. 



Figure Id. — The same. Side view of two small specimens. All the above re- 

 duced to about | natural size. Page 142. 



Figure 2. — Agaricia agaricites, var. agaricites. Part of the surface of a large 

 frondose specimen. No. 5671 (=fig. 7, pi. xxvii). From the Bahamas. 

 x 3. Page 146. 



Figure 3. — The same. Var. Dana; E. and H. Part of the surface of a frond 

 from a large Bahama specimen (= fig. 6, pi. xxvii). x 3. Page 147. 



Plate XXVII. 



Figure 1. — Agaricia agaricites, var. gibbosa D. Part of Dana's type from Bar- 

 bados. No. 1860. Side view of a terminal lobe. Natural size. Page 148. 



Figure la. — The same specimen. Calicles, x 1J. 



Figure 2. — Agaricia agaricites, var. agaricites, young. About half of a small 

 incrusting Florida specimen. No. 103. Natural size. Page 147. 



Figure 2a. — The same specimen. Calicles, x If, 



Figure 3. — Agaricia agaricites, var. pusilla V., nov. Part of the type. From 

 Colon. No. 1487. Natural size. Page 148. 



Figure 3a. — The same specimen. Part of upper side, x If. 



Figure 4. — Agaricia purpurea Les., var. faveolata V . , nov. Upper surface of 

 one of the types. No. 1201. From Colon, x If . Page 149. 



Figure 4a. — The same specimen. Vertical section. x If. 



Figure 5. — Agaricia agaricites, var. Dance E. and H. Part of Dana's type. No. 

 4301. xH. Page 147. 



Figure 6. — The same variety. Part of a large frond from the Bahamas. xl|. 



Figure 6a. — The same specimen. No. 5672. A group of calicles, x 5. 



Figure 7. — Agaricia agaricites, var. agaricites. Part of a frond from a large, 

 frondose, Bahama specimen. No. 5671. x If . Page 147. 



Figure 7a. — The same specimen. Calicles, x 5. 



Figures 8, 8a. — Asteroseris planulata (Dana) Ver. Small portions of Dana's 

 type. No. 4309. x 3. A transverse section is shown at b. Page 156. 



