63 



though a few very small but living specimens were dredged by the writer 

 at various localities, in 20, 30, 56, 60, 75 to 80 and 110 fathoms, in 1872. 

 The species is circumpolar, and, on the western sicje of the Atlantic, ranges 

 from New Jersey to the Arctic Ocean. 



Sir J. W. Dawson says that it occurs rarely as a fossil in the Leda clay of 

 Riviere du Loup, Beauport, St. Nicholas and Montreal. 



GNATHOSTOMATA. 



Family Scutellidoe. 

 EcHiNARACHNius PARMA (Lamarck). 



Scutella parma, Lamarck, (1816). 

 Echinarachnius parma, Gray (1825). 

 Echinarachnius Atlanticus (Gray) Stiiupson (1853). 



Common in the Bay of Fundy, Atlantic coast of Nova Scotia, Gulf and 

 mouth of the River St. Lawrence, and Strait of Belle Isle, from a little 

 below low-water mark to 15 fathoms, usually upon sandy bottoms. South- 

 ward, it is known to range to Chesapeake Bay, and to 100 fathoms or more 

 in depth. It is common also on both sides of the north Pacific. 



ATELOSTOMATA. 



Family Spatangidoe. 



ScHizASTER FRAGiLis (Duben and Koren). 



Dredged by the SS. Bache, of the U. S. Fish Commission, in 1872, "in 

 the centre of the Bay of Fundy, east of Grand Manan, in 95 to 106 

 fathoms " (Verrill). In the Gulf of St. Lawrence adult and living specimens 

 of it were dredged by the writer in 1871, 1872 and 1873, at several localities 

 to the north-east, south-east and south of the Island of Anticosti, in from 

 100 to 300 fathoms. 



PLATYHELMINTHES. 

 TURBELLARIA (PLANARIANS).* 



DENDROCCELA. 



Family Leptoplanidm. 



Leptoplana elupsoides, Girard. 



Grand Manan, " found at low- water, under stones, in 4 fathoms, nulli- 

 pores, and in 30 fathoms shelly bottom " (Stimpson). Le Have Bank, Nova 



•Extracted almost exclusively from Professor Verrill's paper on the "Marine Planarians 

 of New England," in the Transactions of the Connecticut Academy of Arts and Sciences, 

 vol. VIII., pp. 459-520, published in December, 1892. 



