200 A. E. VerriU — Comparisons of Coral Faunce. 



Plate XIII. 



Figures 1, 2. — Favia fragum. Two varieties found together at Bermuda, x l)^. 



Page 90. 

 Figure 3. — Favia gravida. Type. Top view of a part of one of the original 



specimens, No. 1465. x 2. Page 91. 

 Figure 4. — Favia leptopliylla Ver. Top view of a part of the type. No. 1517. 



x2^V Page 91. 

 Figure 5. — The same specimen. Vertical section, x 2^^. 

 Figure 6. — Mceanclra confevia Ver. Top view of part of one of the types. No. 



1466. x2. Page 84. 



Plate XIV. 



Figures 1, la. — Mceandra Agassizii. Top views of different parts of one Bahama 

 specimen. No. 5615. 1, natural size; la, enlarged about li^. Page 81. 



Figure 2. — Ma^andra clivosa, var. explanata Ver., nov. Top view of a part next 

 the margin of No. 1196. About natural size (l^'^). Page 79. 



Figure 3. — Mceandra spongiosa (Dana). Top view of a part of the type, No. 

 4383. Natural size. Pages 69, 80. 



Figure 4. — Mceandra cerebrum. Top view of the middle of a Bermuda speci- 

 men with acute narrow coUines. Reduced to about }^. Page 74. 



Figure 5. — The same. Portion of a Florida specimen, No. 1901, showing the 

 formation of astreiform calicles (a, b) by exothecal budding, x 11^. Page 75. 



Figure 6. — Madracis decactis (Ly.). End of a lobate branch, showing an excep- 

 tionally large calicle, with numerous septa, surrounded by those of ordinary 

 size, but here crowded and without ccenenchyma between them. x 4. 

 Page 108. 



Plate XV. 



Figure 1. — Orbicella annularis. Portion of upper surface of a Bermuda speci- 

 men. A, A calicle undergoing fission. Enlarged 1}£. Page 94. 



Figure la. — The same specimen. Natural size. 



Figure 2. — The same. Var. stelhilata (Dana). Portion of Dana's type, with 

 worn siTrface, No. 4266 ; a, a transverse section, x 2}^. Page 96. 



Figure S.^Orbicella hispidula Ver., sp. nov. Portion of the surface of the 

 type. No. 98. x IJ^. Page 100. 



Figure 3a. — The same specimen, x 23>^. 



Figure Si; — The same specimen ; vertical section, x 2},^. 



Figure 4. — Orbicella excelsa Dana. One of the distal lobes of one of the original 

 types. No. 1729. x l^^. Page 98. 



Figure 4a, 4&. — The same specimen, x 2Jcj. 



Figure 5. — Solenastrcea hyades (D.). Side view of a specimen from St. Thomas. 

 No. 15866. X 13^. Page 104. 



Figure 5a. — The same specimen. About natural size (1^^). 



Figure 5b. — The same specimen. Group of calicles from the side, where not 

 crowded, x !%■<. 



