MATTHAI— RECENT COLONIAL ASTR^ID^ 137 



Plate 22. 



Figs. 1 — 4. Favia favus (Forsk.). Four types of Madrepora favus, Forskal, Copenhagen. Fig. 3 is a 

 typical form ; fig. 4, belonging to var. 2, resembles PI. 20, fig. 4. x 1. 



Fig. 5. Id. Type of Madrepora cavernosa, Forskal, Copenhagen. Typical form of F. favus. x 1. 



Fig. 6. Favia hululensis, Gardiner. Large specimen from Ceylon, x 1. 



Fig. T. ? Favia bertholleti (Val.). One of the types of Madrepora favus, Forsk§l, Copenhagen. Perhaps 

 only a thin- walled F. favus. x 1. 



Fig. 8. Favia doreyensis, Ed. and H. Type of Favia doreyensis, Ed. and H., Paris. (Cp. with Gardiner s 

 PI. Ixi, fig. 17.) X 1. 



Fig. 9. Id. Specimen in Paris, named both F. amplior and F. ananas. Perhaps Lamarck's type of 

 Astrea ananas, var. amplioribus. x 1. 



Plate 23. 



Fig. 1. Favia clouei (Val.). One of the types of Favia okeni, Ed. and H., Paris. Corallites larger than 

 usual. X 1. 



Fig. 2. Id. T3rpe from Seychelles of Favia clouei, Ed. and H., Paris, x 1. 



Fig. 3. Favia versipora (Lam.). The larger type of Plesiastrcea versipora, Ed. and H., Paris, x 2. 



Fig. 4. Favia bertholleti (Val). Type of Favia bertholleti, Ed. and H., Paris, x 1. 



Fig. 5. Favia clouei (Val.). Four small pieces from Ceylon, from which polyps were taken. Cp. with 

 Klunzinger's figure (PI. iii, fig. 6) of i^. tubulifera. x 1. 



Fig. 6. Favia bertholleti (Val.). Four small pieces from Ceylon, from which polyps were taken ; the 

 lower on the right belongs to var. 1, while the two on the left belong to var. 2. x 1. 



Plate 24. 

 Fig. 1. Favia bertholleti (Val.). From Aldabra. x 1. 

 Fig. 2. Favia pentagona (Esper). From Minikoi. x 2. 

 Fig. 3. Id. From Seychelles, x 2. 



Fig. 4. Id. From Minikoi. Gardiner's Stephanocwnia maldivensis. x 2. 

 Figs. 5 and 6. Favia laxa (Klunz.). Two specimens fi:om Red Sea. x 2. 

 Fig. 7. Favia hirsuta (Ed. and H.). Gardiner's Acanthastrcea hirsuta var. megalostoma. x 1. 

 Fig. 8. Id. From Eed Sea. x 1. 



Plate 25. 



Fig. 1. Favia acropora (Linn.). From Funafuti, Gardiner's Orbicella orion. x 3. 



Fig. 2. Favia clouei (Val.). From Salomon. Cp. with Klunzinger's figure (PI. iii, fig. 4) of 

 F. cavernosa, x 1. 



Fig. 3. Favia acropora (Linn.). From Salomon, x 3. 



Fig. 4. Favia wakayana (Gard.). From Rotuma. Gardiner's Orbicella versipora. x 2. 



Fig. 5. Favia versipora (Lam.). From Rotuma. Gardiner's Orbicella acropora. x 2. 



Fig. 6. Id. From Minikoi. Gardiner's Orbicella annuligera. x 2. 



SECOND SERIES— ZOOLOGY, VOL. XVII. 18 



