1044 ON CORALS FROM THE PERSIAN GULF. 



39. Tenison- Woods, J. E. — " On some Tertiary Fossil Corals and 



Polyzoa." Trans. Roy. Soc. New South Wales, xii. p. 57. 



40. Vaughan, T. W. — " A Critical Review of the Literature on 



the Simple Genera of the Madreporaria Fungida, with a 

 tentative Classification." Proc. U.S. Nat. Mus, xxviii. 

 1905, p. 371. 



41. Vaughan, T. W. — " Recent Madreporaria of the Hawaiian 



Islands and Laysan." U.S. Nat. Mus. Bull, lix., 1907. 



42. Verrill, a. E. — " Corals and Polyps of the North Pacific 



Exploring Expedition, with Descriptions of other Pacific 

 Ocean Species." Essex Inst. Proc. iv. 1864, p. 149 ; v. 1866, 

 p. 17, 1867, p. 33, 1868, p. 315, vi. 1869, p. 51. 



43. Verrill, A. E. — "Contributions to Zoology from the 



Museum of Yale College. No. 7. Descriptions of new Corals." 

 Amer. Journ. Sci. & Arts, 2nd ser. xlix., 1870. 



EXPLANATION OP THE PLATES. 

 PlATK LVII. 

 Fig. ]. Flalellvm maffnfficmn von Maremelier. Viewed from above, x § diam. 



2. T'labelhim magnijiciim. Viewed from below to sbow tbe tubular rootlets of 



attachment. 



3. Flabellum magnijicvm. Side view. 



4. Trematotroclms eelandim Duncan. Transverse section of tlie coral. 



X ca. 12 diam. Compare text-fi<r. 218 B, p. 1032. 



5. Farari/athvs cavaius A\cock. A. View of a vertical fracture. B. View fi'om 



above. C. Side view showing on both sides above, galls formed by Pi/rgoma. 

 Nat. size. 



6. MeterocyatJms Jieterocostatns, sp. n. Nine sijecimens showing the variations 



in height, x 2 diam. 



7. Dendropliyllia sp. ? x j^ diam. 



8. Fyrofhyliia infiata. Side view, x 5 diam. 



9. Pyrophyllia ivflata. View of the mouth of the calyx showing the columella 



and primary septa. 



10. Pi/rophyUia hiflata. View of a specimen that has been broken in half 



longitudinally showing the irregular arrangement of the fused septa in 

 the lower regions of the crral. 



11. Pyrophyllia inflata. View of a specimen showing the fusion of the eight 



primary septa and the secondary septa. Compare text-fig. 221 B, p. 1040 



Plate LVIII. 

 Fig. 12. Heterocyatlnis tequimstatns M.-E. & H. Two adjacent costre which are 

 low broad ridges covered all over with uniform fine granules, the 

 intercostal furrows being small and shallow. This specimen belongs to 

 Gardiner's Type I. 



13. Heterocyatlms aJternafus Verrill. Two adjacent costfe. The costaj on 



the right (A) is the type of costa corresponding with the septal cycles 

 i, ii, and iii. The costa on the left corresponds to the septal cvcle iv. 

 The intercostal furrows are deep. This specimen belongs to Gardiner's 

 H. ceqiiicostatus Type II. 



14. Heterocyatlms /leterocostatii.i, sp. n. Side view, x ca. 14 diam. 



15. Trematotroclms eelandice Duncan. Side view, x ca. 12 diam. Compare 



text-fig. 219 A, p. 1033. 



16. Trematotroclms zelandi(e. View of the base. 



17. Trematotroclms zelandice. View of the calyx from above. Compare text- 



fig. 219 B. 



18. Tyrophyllia inflata Hiclison. View of the calyx showing the columella, 



the eight primary septa, four of the eight secondary septa, and the lines of 

 accretion. 



19. Fyro'phyllia ivflata. Longitudinal vertical section showing the fusion of 



the primary septa in the lower parts of the coral, x, region of the calyx ; 

 y, middle region; e, inflated base. 



