Indo-Pacific Echinoderms — Clark 
253 
width at anterior pair of petals 54 mm., thick- 
ness of margin 13 mm.); Ujae Atoll, Ally 
Island, F. S. MacNeil (3 specimens). 
Family LAGANIDAE 
Genus Laganum Linck 
Laganum depressum L. Agassiz 
Laganum depressum L. Agassiz, Monographie 
des scutelles, p. 110, pi. 23, figs. 1-7, 1841 
(Moluccas). 
localities: Marshall Islands, Ailuk, F. S. 
MacNeil (1 specimen); Taka Atoll, beach, 
F. S. MacNeil (4 specimens); Ujelang Atoll, 
sand bar east of Moron Island, F. S. MacNeil 
(2 specimens); Wotho Atoll, Wotho Island, 
F. S. MacNeil (88 specimens). 
New Caledonia (11 dead tests, the largest 
74 by 61 mm.). 
Laganum sp. 
LOCALITY: Tuamotus, Morrison, 2120 
(fragments). 
Genus Peronella Gray 
Peronella lesueuri (L. Agassiz) 
Laganum lesueuri L. Agassiz, Monographie 
des scutelles, p. 116, pi. 24, figs. 3-6, 1841 
(southern lands, Peron and Lesueur; also 
Guadeloupe). 
locality: Okinawa, Shioya, Shanawan, D. 
Flint, 1947 (1 specimen). 
Family FIBULARIIDAE 
Genus Fibularia Lamarck 
Fibularia australis Desmoulins 
Fibularia australis Desmoulins, Etudes sur les 
echinides, p. 240 ,1837 (southern seas). 
LOCALITY: Marshall Islands, Wotho Island, 
F. S. MacNeil (77 specimens). 
Fibularia ovulum (Linne) 
Echinus ovulum Linne, Sy sterna naturae, ed. 
13, vol. 1, pt. 6, p. 3194, No. 83, 1788 
(no locality). 
LOCALITIES: Marshall Islands, Ujelang Atoll, 
sand bar east of Moron Island, F. S. MacNeil 
(39 specimens); Wotho Atoll, F. S. MacNeil 
(5 specimens). 
Genus Echinocyamus van Phelsum 
Echinocyamus megapetalus H. L. Clark 
Echinocyamus megapetalus H. L. Clark, Mus. 
Compar. Zook, Mem. 46(1): 60, pi. 128, 
figs. 5-8, 1914 (Mauritius). 
LOCALITIES: Marshall Islands, Ujelang Atoll, 
sand bar east of Moron Island, F. S. MacNeil 
(255 specimens); Wotho Island, F. S. Mac- 
Neil (11 specimens). 
Family ECHINONEIDAE 
Genus Echinoneus van Phelsum 
Echinoneus cyclostomus Leske 
Echinoneus cyclostomus Leske, Additamenta ad 
Jacobi Theodori Klein, p. 173, pi. 37, figs. 
4, 5, 1778. 
localities: Marshall Islands, Kwajalein 
Atoll, Loi and South Loi Islands, F. S. Mac- 
Neil (1 specimen); Likiep Atoll, Nada Island, 
F. S. MacNeil (1 specimen); Taka Atoll, Taka 
Island, beach, F. S. MacNeil (8 specimens); 
Ujae Atoll, Ally Island, F. S. MacNeil (8 
specimens); Wotya Island, F. S. MacNeil (1 
specimen); Ujelang Atoll, sand bar east of 
Moron Island, F. S. MacNeil (93 specimens); 
Wotho Atoll, Wotho Island, F. S. MacNeil 
(5 specimens). 
Tuamotus, Morrison, 1861 (2 specimens); 
1883 (1 specimen); I906 (2 specimens); 1963 
(1 specimen). 
Family SPATANGIDAE 
Genus Metalia Gray 
Metalia sternalis (Lamarck) 
Spatangus sternalis Lamarck, Histoire naturelle 
des animaux sans vertebres, vol. 3, p. 31, 
1816 (southern oceans). 
locality: New Caledonia (1 specimen). 
