320 A. EF. Verrili— The Bermuda Islands ; Coral Reefs. 
HOLOTHURIOIDEA: HOLOTHURIANS. 
Although a large species of this group (Stichopus M6bii, see p. 
143, fig. 37) is one of the most common and conspicuous creatures 
on the bottom of the lagoons, the few species living on the reefs are 
small and live well concealed under stones or in cavities of dead 
Agassiz, A.—North American Starfishes. Memoirs Mus. Comp. Zodlogy, vol. 
v, No. 1, 1877. 
Clark, Hubert Seymour.—Notes on the Echinoderms of Bermuda. Ann. New 
York Acad. Sci., vol. xi, pp. 407-413, 1898. 
— Further Notes on the Echinoderms of Bermuda, op. cit., vol. xii, pp. 117- 
138, 1899. 
— Bermudian Echinoderms. A Report on Observations and Collections made 
in 1899. Proc. Boston Soc. Nat. History, vol. xxix, No. 16, pp. 339-344. 
Heilprin, Angelo.—The Bermuda Islands, pp. 186-145, pl. xii, xiii, 1887. 
Liitken, Chr. Fr.—Oversigt over de Vestindiske Ophiurer. Naturhist. Foren. 
Vidensk. Meddelelser, 1856. 
— Additamenta ad Historiam Ophiuridarum. Pt. ii, 92 pp., 5 plates. Kgl. 
Danske Videnskab. Selskabs Skrifter, 5te Rekke, Naturvidensk. og mathem. 
Afdeling, v, 1859. 
— Additamenta ad Historiam Ophiuridarum. Part iii. Kgl. Danske Videnskab. 
Selskabs Skrifter, 8, Bd. ii, pp. 24-101, 1869. 
— Synopsis generum Ophiuridarum verarum. (Forms part of the preceding 
work, pp. 87-100.) 1869. 
Lyman, Theodore.—Ophiuride and Astrophytide. ITllustr. Catalogue Museum 
Comp. Zoélogy, I, 1865. 
Miiller J., and Troschel, F. H.—System der Asteriden, 1842. 
Sladen, Walter P.—Reports Voy. Challenger, Zoél., vol. xxx ; Report on the 
Asteroidea. 1 vol. text, 1 vol. plates, 1888. 
Theel, Hjalmar.—Report on the Holothurioidea. Voyage Challenger, Zodlogy, 
vol. xiv, part 39, 1886. 
Verrill, Addison E.—Notice of the Corals and Echinoderms collected by Prof, 
C. F. Hartt at the Abrolhos Reefs, Province of Bahia, Brazil, 1867. Trans. 
Conn. Acad. Sciences, i, pp. 851-371, 1 pl., 1868. , 
— Revision of certain Genera and Species of Starfishes, with descriptions of 
New Forms, op. cit., vol. x, part 1, pp. 145-284, (a.) 8 pl. + 1899. 
— North American Ophiuroidea. Part i. Revision of certain Families and 
Genera of West Indian Ophiurans. Trans. Conn. Acad., vol. x, pt. 2, pp. 
301-371, 1899. (b.) 
—Thesame. Part ii. A Faunal Catalogue of the known Species of West 
Indian Ophiurans, op. cit., pp. 372-377, pl. xlii, xliii, includes Bibliography, 
1899. (c.) 
— Additions to the Echinoderms of Bermuda. Trans. Conn. Acad., x, part 2, 
p. 583, 1900. 
— Additions to the Fauna of the Bermudas from the Yale Expedition of 1901, 
with Notes on other Species, op. cit., vol. i, pt. 2, pp. 35-37, 1901. 
