584 KEPOET OF COMMISSIONER OF FISH AND FISHERIES. 



Bay of Fundy, in 40 fathoms, mud. It was dredged near St. George's 

 Bank in 85, 110, and 150 fathoms, mudj by Dr. A. S, Packard, on the 

 "Bache," 1872. '-^^^i^l' 



L/ EuMiDiA Americana Yerrill, sp. no v. (p. 191.) 



Body long and slender. Head triangular, subcordate, broad and 



slightly emarginate posteriorly, the sides rapidly converging, the front 



end narrow and rounded, with four slender auteuuie, which are as long 



as the head ; odd median antenna long and slender, tapering, as long as 



or longer than the head. Eyes moderately large, round, convex, near 



the posterior margin of the head. Tentacular cirri long and slender j 



crowded. Proboscis elongated, subclavate, enlarging to the end, which 



is surrounded by about fourteen triangular papilhe ; the basal two-thirds 



covered with small, slender, prominent papilhe, which are not crowded, 



but arranged in longitudinal rows ; this part of the proboscis is, in the 



jireserved specimens, longitudinally ridged and transversely wrinkled ; 



the terminal third is nearly smooth, but usually minutely granulous. 



The lateral lamella?, or branchiie, are ovate-lanceolate, leaf-like, with 



curved tips ; ijosteriorly they are larger and more acute. Length up to 



50mm . breadth, 1.5'"™. 



^Vineyard Sound, 8 to 12 fathoms, among compound ascidians. 



"^ n' ^ ' ' .^ - ■ 

 EuMiDiA viViDA Yerrill, sp. uov. 



Head relatively a little longer than in the jireceding species, with the 

 sides more convex, and the front rounded ; autennie long and slender. 

 Eyes brownish, very large, about twice as large as in the preceding 

 species. Proboscis long, slender, clavate, nearly smooth, but with a 

 few minute, distant papilhie ; the terminal orifice surrounded by about 

 eighteen very small papilliform denticulations. Branchia? of the ante- 

 rior segments long and narrow lanceolate ; of the middle segments 

 ovate. Length up to 15'"'" ; breadth, 1.5""". 



Vineyard Sound, 8 to 12 fathoms, among ascidians. 



^ EuMiDiA PAPILLOSA Yerrill, sp. nov.' 



Head short, rounded, convex, emarginate posteriorly, the sides 

 convex; antennae not very slender; median odd one stout, tapering, 

 acute, as long as the head. Eyes large ; brown. Tentacular cirri 

 rather stout, those of the two posterior pairs more than twice as long as 

 the others. Proboscis long, clavate, densely covered with short, 

 rounded papilhe, and with a circle of minute papilhe at the orifice. 



Length up to 10"""^ ; breadth, 2""". 



Yineyard Sound, 6 to 10 fathoms, among compound ascidians. 



EULALIA PISTACIA Yerrill, sp. nov. 



Body moderately slender, depressed. Head convex, shorter than 

 broad ; in jireserved specimens, sides well rounded, posterior margin 

 slightly emarginate ; median odd antenna small, slender, considerably 



