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) — Agassiz, E. C. and A., Sea-side Studies, p. 107. 



WORMS. 



Worm, Ribbon (Meek el iaingens) — Davenport, C. B. and G. C, Introduction to Zool- 

 ogy, p. 158. 



Worm, Sea ]\Iouse (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, 

 E. 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, PI. 13. 



Worm, Four-jawed (Euglycera 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 XVL 



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-l)ook Comparative Anatomy, Part 2, 

 pp. 561-596. Agassiz, A., Memoirs Am. Academy Arts and Sciences, Vol. 

 IX, 1873. Bateson, W., Quarterly Journal Microscopical Science, 1884, '85, 

 '86. Morgan, T. H., Journal of Morphology, Vol. IX, 1894. 



BRACHIOPODS. 



Parchment Shell (Terebratidina septentrionalis) — Morse, E. S., Memoirs Boston 

 Society of Natural History, Vol. II, 1871. Also, Vol. V, No. 8, 1902. 



MOSS ANLMALS AND CORALLINES. 



Lace-Coralline (Membranipora pilosa)— Verrill and Smith, Invertebrate Animals of 

 Vineyard Sound, Pi. 34, Figs. 262, 263. 



