176 SEA-SHORE LIFE 



Crab, Horseshoe (Limulus) — Arnold, A. F., Sea Beach at Ebb Tide, p. 295, PI. 64. 

 Packard, A. S., Memoirs Boston Societ}' of Nat. Hist., 1880. 



MOLLDSKS. 



Clam, Littleneck (Venus mercenaria) — VerriU & Smith, Invertebrate Animals ol 

 Vineyard .Sound, p. 65, PL 26, Fig. 184, 1874. Kellogg, J. L., Bull. New- 

 York State Museum, No. 71, Sept., 1903. 



Clam, Sandbar — (Siliqua costata) — Dall, W. H., Bull. U. S. National Museum, No. 

 37, PL 53, Fig. 3, 1889 



Clam, Bloody (Argina pexata) — Davenport, C. B. and G. C, Introduction to Zoolog}', 

 p. 184. 



Ship Worm (Teredo) — VerriU and Smith, Invertebrate Animals of Vineyard Sound, 

 p. 90 (384J, PI. 26, Fig. 183. Quatrefages, A. de, Annal Sci. Naturelles, 

 Tom XI, pp. 202-228, 1849. Hatschek, B., Arbeit Zoolog. Institut Univer- 

 sitat Wien, Bd. Ill, Heft 1, 1880. 



Scallop fPeeten irradians) — r)avenport, C. B., American Naturalist, ^^ol. XXXIV, 

 pp. 863-878, 1900. Also, Mark Anniversary Volume, 1903. 



Scallop, Arctic (Pecten islaudicus) — Gould and Binuey, Invertebrates of Mass., p. 

 198, Fig. 495. 



Snail, Sand-Collar (Lrmatia) — VerriU and Smith, Invertebrate Animals of Vineyard 

 Sound, p. 59 i'353), PI. 23, Figs. 1.30, 133, 136. 



Snail, Salt .Marsli (Melampus bidentatus) — VerriU and vSmith, Inverteljrate Animals 

 of Vineyard Sound, PL 25, Figs. 169, 169a. 



Whelk (Fulgur)— Arnold, A. F., Sea Bench at Ebb Tide, PI. I. 



Periwinkle (Littorina littorea) — Bumpus, H. C, Zoological Bulletin, Vol. I, 1898. 

 Bigelow and Rathbun, z\merican Naturalist, March, 1003. 



Nautilus— Griffin, L. E , Memoirs of National Academy U. S., Vol. VIII, 1900. Dean, 

 Bashford, American Naturalist, Vol. XXXV, pp. 819-837. 



Giant Squid (Architeuthis princeps) — A'errill, A, E., Am. Journal of Science, 1874, 

 p. 158; 1875, pp. 12.3, 177, 213; 1876, p. 2.36; 1877, p. 425. Also, Transac- 

 tions of Connecticut Academy of vSciences, Vol. V, 1878-82. 



TLTNICATES. 



Sea-Squirt (Ciona intestinalis)-— Castle, W. E., Bull. Mus. Compaj-ative Zoology, 

 Hai-vnrd, Vol. XXVII, 1896. Willey A., Amphioxus and the Ancestry of the 

 Vertebrates, 1894. 



