NO. 1 DURHAM, BARNARD: EASTERN PACIFIC STONY CORALS 43 



Pavona (Pavona) gigantea Verrill 

 Plate 3, fig. 14 



Pavonia gigantea Verrill (1869), Proc. Boston Soc. Nat. Hist., vol. 12, 

 pp. 394-395; (1870), Trans. Conn. Acad. Arts Sci., vol. 1, pp. 

 543-544, pi. 9, fig. 7. 

 Pavona gigantea Verrill, Durham (1947), Geol. Soc. Am., Mem. 20, p. 

 20, pi. 3, figs. 1,2,7. 

 Verrill described this species from the Pearl Islands at a depth of 7 

 fms. Durham records it in the recent fauna of Escondido Bay, Gulf of 

 California; Oaxaca, Mexico; and in the Pleistocene of Salinas Bay, 

 Carmen Island. 



Hypotype: Cat. no. 14.2 (Ace. no. 1095). 



Material examined: Bottom sample 427 (frag.). Ace. no. 1095 

 (l).Cat. nos. 14.1-14.2. 



Distribution: Clipperton Island; Taboga Beach, Taboga Island, 

 Panama. 



Pavona (Pavona) cf. varians Verrill 

 Plate 3, fig. 15 



Pavonia varians Verrill (1864), Bull. Mus. Comp. Zool., vol. 1, no. 3, 



p. 55. 

 Pavona varians Verrill, Vaughan (1907), U.S. Nat. Mus., Bull. 59, 

 p. 135, pi. 38, figs. 1, la; (Verrill), Vaughan (1918), Carnegie 

 Inst. Wash., Pap. Dept. Mar. Biol., vol. 9, pp. 138-139, pi. 57, 

 figs. 1, la, 2, 2a, 3, 4, 4a. 

 Corallum incrusting, slightly worn, surface rising into short, angular 

 crests or hillocks; septocostae continuous to tops of crests where they 

 meet a laminar ridge; calices small, distances between centers about 2 

 mm; septa of best 2 calices 20-22, subequal, sides granulated, continuous 

 from calice to calice where not interrupted by the hydnophoroid pro- 

 tuberances; septothecal wall separating at least 2 calices, evident only 

 because of worn surface; columella small, styliform. 



This species was recorded previously from the Hawaiian Islands and 

 the Southwest Pacific. 



Hypotype: Cat.no. 15.1 (Bottom sample 545). 

 Material examined: The hypotype. 

 Distribution: Port Utria, Colombia, 12 fms. 



