Molluscan Fauna of New England. 218 
given a revised list of the species described in Binney’s Gould, 
and has referred the species to the recently proposed genera of 
the Messrs Adams and others, but not always correctly, even if 
we admit the validity of the genera recognized by him. _Correc- 
tions have also been made by others, which are here omitted. 
Nassa vibex, var. jretensis = N. vibex (pars) Say ; Binney =. /re- 
tensis Perkins, 
Astyris lunata = Columbella lunata (Say) +B. Wheatleyi Dekay 
(var.) =C. Gouldiana Ag. 
Lunatia heros = Natica heros Say +N. triseriata Say (var). 
Elysiella catulus (gen. nov.) Plate vii, figs. 5, x3 diam., and 5", 
=Placobranchus catulus Ag. 
Onchidoris tenella V., this Jour., vol. 1, p. 407, =Doris tenella Ag. 
Onchidoris grisea V., 1. v. = Doris grisea Stimp. (MSS.) in Gould. 
Onchidoris pallida V., 1. ¢. = Doris pallida Ag., in Gould. 
Ensatella Americana (Gould, nom. prov.) = Solen ensis Gould 
(non Linn. 
Periploma papyracea. Plate vii, figs. 1, 1", x4 diam., 1, x30 
- diam.; pl. viii, fig. 1 (anatomy) =Anatina papyracea Say. 
Turtonia nitida V. (sp. nov.) Plate vii, fig. 4, x40 diam., and 
G44, 7: hors). 
Astarte undata Gould (nom. prov.)=.A. suleata Gould, pars (not 
Astarte quadrans Gould= A. quadrans, +A. Portlandica Migh. 
Pecten tenuicostatus =P. tenuicostatus, +P. fuscus Linsl. (young). 
Anomia glabra V. =A. ephippium (pars) Linn. ; Gould, +A, elee- 
trica Binney (non Linn.), +A. sguamula Gould (non Linn.), 
young. 
Ostrea Virginiana Gm. = 0. Virginica Lam. + 0. borealis Lam. 
+0. Canadensis Lam. 
Leptoclinum luteolum V. = Didemnium roseum Binney (non Sars). 
Botryllus Gouldii V., 1. c. =B. Schlosseri Gould (non Pallas). 
Molgula Manhattensis V., \. c. =Ascidia Manhattensis Dekay +A. 
amphora Ag. ; 
olgula psammophora V. =A. psammophora Ag. ; Binney. 
Eugyra glutinans V. (Moll. sp.) = Glandula jfibrosa B., pars (spe- 
cies figured), not of Stimpson. 
Glandula mollis Stimp. = @. moilis B., pars (not the figures). 
Pera crystallina V. (Mill. sp., 1845)=Pera pellucida Stimp. 1852. 
ae ia partita Stimp. PI. xi fe ‘ =C. partita, +? C. rugosa. 
. (MSS.) + C. stellifera V. (var. 
ress cage 2 # beh’? earnea Ag. + C. gutta Stimp. +¢ 
placenta (pars) Pack. (species figured by Binney). 
