ECHINODEKMATA. 9 



ECHINOIDEA. CLYPEASTROIDA. 



SCUTELLIDAE. 



Vineyard Sound and Nantucket Shoals and southward ; shal- 

 low water. 



HOLOTHURIOIDEA. ACTINOPODA. 



DENDROCHIROTAE. 



28 (1). CuouMARiA cALciGERA ( Stimpson) Selenka. 



Duncan & Sladen, Echinod. Arctic Sea, 1881, p. 5, pi. 1, figs. 

 3-8. 



Pentacta calcigera Stimpson, Proc. Boston soc. nat. hist., 1851, 

 vol. 4, p. G7. 



Massachusetts Bay and northward ; in 7 fathoms or more. 



29 (2). CucuMARiA FRONDOSA (Gunnerus) Forbes. 



Sea-cucumber. 



Clark, Bull. U. S. fish comni. for 1902, 1904, vol. 22, p. 566, 

 pi. 11, figs. 65-66; pi. 12, figs. 76-80. 



Holothuria frondosa Gunnerus, K. vet. akad. Handl., 1767, 

 vol. 28, p. 115, pi. 4, figs. 1-2. 



Off Sankaty Head, Nantucket, and northward; low water 

 (northerly) to far beyond the 50 fathom line. 



30 (3). CuouMARiA MiNUTA (Fabricius) Ltltken. 



Uanielssen & Koren, Norw. North Atl. exp., 1882, p. 77, 81, 

 pi. 13, fig. 2. 



Holothvria minvta Fabricius, Fauna Groenlandica, 1780, p. 

 354. "ad littora maris in fundo arenoso." 



Eastport, Maine and northward ; in 1 fathom or more. 



31 (4). CucuMARiA PULCHERRiMA (Ayrcs) Lampert. 



Clark, Bull. U. S. fish comm. for 1902, 1904, vol. 22, p. 567, 

 pi. 11, fig. 70; pi. 12, figs. 81-85. 



