of the Virginian Coast. 



263 



The few examples which were found, were of small size. 



PISTA Jfgrn. 

 PiSTA CRISTATA 3Igrn. 



Malmgren. Nord. Hafs-Ann., p. 382, pi. xxii, f. 59. 

 Verrill. Amer. Journ. Sci. Arts, Third Ser., vol. x, p. 40. 



A single imperfect specimen was collected, consisting of 

 the anterior half. 



LEPR^A Jfgrn. 



Leprjea rubra Verrill. 



Invert/ Aninials^of Vineyard Sound, etc., p. 615. 



Common, but all of the specimens were of small size. 



POLYCIRRUS (Grube) Mgm. 



PoLYCiRRUS EXiMius Verrill. 



Torquea eximia Leedt. Marine Invert. Fauna R. I. & X. J., p. 14, pi. 

 xi, figs. 51, 52. 



Polycirrus eximius Verr. Invert. An. Tin. Sound, etc., p, 616, pi. xvi, f. 85. 

 ENOPLOBRANCHUS VerriU. 



Enoplobranchcs SANGUINEUS Vert. 



ChcBtobranehus sanguineus ynnB,. Inven. An. Tin. Sound, etc., p. 616. 



Enoplobranchus sanguineus Terr. Check Li.st of Marine Inven. of the 

 Atlantic Coast froni Cape Cod to the Gulf of 

 St. Lawrence, p. 10 (advance sheets). 



LYSILLA Mgrn. 

 Lysilla alba n. sp. 



PLATE X, FIG. 148. 



Frontal membrane divided into five lobes by deep in- 

 cisions, each lobe being scolloped or deeply folded. 



Cirri, long, white with colorless centre ; some filiform, 

 others enlarged and flattened in their outer third. 



Body, first third swollen, then tapering uniformly but 

 very slightly. Anterior two-thirds white, transparent ; in- 



