A. M Vevrill — Comjxtrisons of Coral Mmnce. 205 



Figure 5. — Pontes Verrillii Eelib. Group of calicles from the type of Verrill, 



No. 4539. From the Abrolhos Eeefs. x 4. Page 161. 

 Figures 6, 6a. — Porifes Branneri Rath. Groups of calicles from a Pernambuco 



specimen. No. 4552. x4. Page 163. 



Plate XXXII. 



Figiire 1. — Acropora muricata, var. surculo-palmata Ver. Top view of a West 

 Indian specimen. No. 6621, having a cluster of var. prolifera growing up 

 from a frond of var. palmata. Reduced to about }-^. Page 165. 



Figure 2. — Oculina varicosa Les. Branch of a Bermuda specimen, showing 

 prominent corallites on one side and low circumvallate ones on the other 

 side at x, x, x. Natural size. Page 173. 



Figure 3. — The same. Part of a branch with more swollen corallites. x \. 



Figure 4. — The same. Var. cunigera Ver., nov. Part of the type. From Ber- 

 muda. No. 4495. X II3. Page 175. 



Figure 5. — O. Valenciennesii ? Part of a branch of a Bermuda specimen with 

 low circumvallate corallites. No. 1311. xljjj. Page 176. 



Plate XXXIII. 



Figure 1. — Orbicella aperta Ver. Group of calicles from the type. No. 1518, 



From the Abrolhos Reefs, x 3. Page 103. 

 Figure la. — The same specimen. Vertical section, x 3. 

 Figure 3. — Orbicella cavernosa, var. hirta Ver. Calicles of the type, No. 4517 



from Brazil, 1876. x\%. Page 189. 

 Figure 3. — Mussa Harftii, var. conferta, growing out from a branch of var. laxu. 



No. 4545. From Brazil. About natural size (1|). Page 138. 

 Figure 4. — Mussa (^Symphyllia) Braziliensis Ver. Group of calicles from the 



type. No. 1467. About natural size. Page 192. 



Plate XXXIV. 



Figure 1. — Meandrina Braziliensis (E. and H.) Vaughan. A mature specimen 

 from Bahia. No. 4543. About natural size ({|). Page 190. 



Figure 2. — Agarieia crassa Ver., sp. nov. Side view of one of the types. From 

 Nassau, N. P., No. 514, Amer. Mus. About natural size. Page 145. 



Plate XXXV. 



Figure 1. — Mussa annectens Ver., sp. nov. Part of one of the types. From 



Bermuda, x 1^. Page 178. 

 Figure 3. — The same specimen. Natural size. 



[Cuts in the text, Nos. 3, 8, 9, 10, 13 ; and 4, 5, 6 of Article II, were loaned by 

 the piiblishers of Webster's International Dictionary. The others are original.] 



