174 SEA-SHORE LIFE 
Sea Urchin, Green (Strongelocentrotus drobachiensis)—Agassiz, E. C. and A., Sea- 
side Studies, p. 102. 
Sea Cucumber, Brittle (Synapta inhaerens)—Clark, H. L., Bull. U. S. Fish Comm., 
Vol. XIV, 1899, pp. 21-31. 
Sea Cucumber, Crimson (Cuvieria squamata)—Agassiz, E. C. and A., Sea-side 
Studies, p. 98. 
Sand Dollar (Echinarachnius parma)—A gassiz, E. C. and A., Sea-side Studies, p. 107. 
WORMS. 
Worm, Ribbon (Meckelia ingens)—Davenport, C. B. and G. C., Introduction to Zool- 
ogy, p. 158. 
Worm, Sea Mouse (Aphrodite aculeata)—Arnold, A. F., Sea Beach at Ebb Tide, 
p. 175. 
Worm, Clam (Nereis)—Arnold, A. F., Sea Beach at Ebb Tide, pp. 176-177. Verrill 
and Smith, Invertebrate Animals of Vineyard Sound, p. 317, Pl. 22. Wilson, 
K. B., Annals N. Y. Academy of Sciences, Vol. XI, No. 1, pp. 1-27, 1898. 
Worm, Opal (Lumbriconereis opalina)—Verrill and Smith, Invertebrate Animals of 
Vineyard Sound, pp. 342, 594, Pl. 13. 
Worm, Four-jawed (Kuglycera americana)—Davenport, C. B. and G.C., Introduction 
to Zoology, p. 146. 
Worm, Fringed (Cirratulus grandis)—Verrill and Smith, Invertebrate Animals of 
Vineyard Sound, Figs. 80, 81, Pl. 15. 
Worm, Tufted (Amphitrite ornata)—Davenport, C. B. and G. C., Introduction to 
Zoology, p. 149 Arnold, A. F., Sea Beach at Ebb Tide, p. 182. Mead, A. 
D., American Journal of Morphology, Vol. XIII, 1897. Linville, H. R., Mark 
Anniversary Volume, p. 225, 1903. 
Worm, Blood-spot (Polycirrus eximius)—Davenport, C. B. and G. C., Introduction 
to Zoology, p. 149. Verrill and Smith, Invertebrate Animals of Vineyard 
Sound, p. 616, Fig. 85, Pl. XVI. 
Worm, Shell (Serpula dianthus)—Verrill and Smith, Invertebrate Animals of Vine- 
yard Sound, pp. 322, 620. 
Worm, Sea flower (Spirobranchus tricornis)—Ehlers, E., Memoirs Mus. Compara- 
tive Zoology, Harvard, Vol. XV, 1887. 
Worm, Acorn (Balanoglossus)— Lang, A., Text-book Comparative Anatomy, Part 2, 
pp. 561-596. Agassiz, A., Memoirs Am. Academy Arts and Sciences, Vol. 
TX, 1875. Bateson, W., Quarterly Journal Microscopical Science, 1884, ’85, 
86. Morgan, T. H., Journal of Morphology, Vol. IX, 1894. 
BRACHIOPODS. 
Parchment Shell (‘Terebratulina septentrionalis)\—Morse, E. S., Memoirs Boston 
Society of Natural History, Vol. II, 1871. Also, Vol. V, No. 8, 1902. 
MOSS ANIMALS AND CORALLINES. 
Lace-Coralline (Membranipora pilosa)—Verrill and Smith, Invertebrate Animals of 
Vineyard Sound, Pl. 34, Figs. 262, 263, 
