174 SEA-SHORE LIFE 



Sea Urchin, Green (Strongelocentrotus drobachiensis) — Agassiz, E. C. and A., Sea- 

 side Studies, p. 102. 



Sea Cucumber, Brittle fSynapta iiihaerens) — Clark, H. L., Bull. U. S. Fish C'ouuu., 

 Vol. XIV, 1899, pp. 21-31. 



Sea Cucumber, Crimson (Cuvieria squamata) — Agassiz, E. C. and A., Sea-side 

 Studies, p. 98. 



Sand Dollar fEchinarachnius parmaj — Agassiz, E. C. and A., Sea-side Studies, p. 107. 



WORMS. 



Worm, Ribbon (Meckeliaingens) — 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, PI. 22. M'ilson, 

 E. B., Armals 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 americaua) — 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, PI. 15. 



Worm, Tufted (Amphitrite ornata) — Davenport, C B. and G. C, Inti'oduction 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, PI. XVI. 



Worm, Shell fSerj^nla diaiitlins) — Verrill and Smith, Invertebrate Animals of Vine- 

 yard Sound, pp. 322, 620. 



Worm, Sea-flower (Spirobranchus tricornisj — Ehlers, E., Memoirs Mus. Compara- 

 tive Zoology, Harvard, Vol. XV, 1887. 



Worm, Acorn (Balanoglossus) — Lang, A., Text-book C'omparative 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 Jilorphologj', Vol. IX, 1894. 



BRACHIOPODS. 



Parchment Shell (Terebratidina septentrionalis) — Morse, E. S., j\Iemoirs Boston 

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



MOSS ANIMALS AND CORALLINES. 



Lace-Coralline (Membranipora pilosa) — ^'errilI and Smith, Invertebrate Animals of 

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



