538 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [386] 
LIST OF ECHINODERMATA DREDGED BY THE “ALBATROSS” IN 1883." 
In this list a few northern species are included that were taken in 
comparatively shallow water, on George’s Bank and Brown’s Bank, off 
Cape Sable, Nova Scotia, and are not yet known from the deep water 
farther south. 
HOLOTHURIOIDEA. 
Benthodytes gigantea Verrill. 1884. Figs. 31, 31a, 31b. 
B. range, 938 to 2,033 fathoms, 1883. Locally very abundant. 
Euphronides cornuta Verrill. 1884. Figs. 32, 33, 33a. 
B. range, 855 to 1,735 fathoms, 1883. Locally abundant. 
Lophothuria Fabricii Verrill. Figs. 34, a, young. 
B. range, 16 to 1,168 fathoms (75 to 858 fathoms, 1883, George’s Bank 
and off Nova Scotia). Scarce and small, except northward. 
Lophothuria squamata (Miill.) Verrill (?) 
B. range, 80 fathoms, 1883, off Nova Scotia. Rare. 
Psolus phantapus (Fabr.) Oken. 
B. range, 86 fathoms, 1883, near George’s Bank. Northern. 
Pentacta frondosa Jeger. 
B. range, 20 to 141 fathoms (86 to 141 fathoms, 1883, near George’s_ 
Bank). Not common south of Cape Cod; abundant from Maine 
northward. 
Pentacta minutu (Pabr.) Verrill. 
B. range, 60 to 101 fathoms, 1883, off Nova Scotia. Common. from 
Maine northward in shallow water. 
Thyone scabra Verrill. 1873. ‘ 
B. range, 51 to 640 fathoms (105 to 547 fathoms, 1883). Common. 
Trochostoma turgida Verrill, = Molpadia turgida Verrill. 1879. 
B. range, 45 to 858 fathoms, 1883. Not uncommon. 
Trochostoma Ayresti Verrill. 1885. 
B. range, 1,467 to 2,033 fathoms, 1883. Not uncommon. 
Trochostoma abyssicola Verrill. 1885. 
B. range, 1,200 to 2,000 fathoms. Not uncommon. 
Echinosoma abyssicola Verrill, sp. nov. 1885. 
B. range, 2,033 fathoms, 1883. More frequent in 1884. 
A small, white, fusiform species, 15 to 20™™ long, entirely covered 
with large, strong plates, each of which bears a conical spinule. 

*Many of the Echinoderms of this region have been described by the writer in 
‘Brief Contributions to Zoology” in the American Journal of Science, 1878 to 1885. 
See also Proc. U. S. Nat. Mus., vol. ii, 1879. 
A general catalogue of the Echinoderms dredged from 1880 to 1882 is contained in 
Part x, of this report, p. 658, 1se4, 
