32 Moll . 
MOLLUSCA. 
Paludestrina australis, Mytilus sp. indet., and Solen scalprum, mhtoss^\\ 
on the bank of the brackish lagoon Marra-Co, Southern Argentine 
States ; Doring, Informe Comis. R. Negro, i. Zool. p. 74 & 75. 
Historical Remains and Changes. 
6 species of land shells found among the remains of Roman buildings 
near Homburg, and 9 others, partly from Roman antiquities near Gon- 
zenheim ; several of them, as Helix strigella, incarnata and fruticum, do 
not at present live near those places, and appear to indicate a less culti- 
vated character of the country. Rolle, JB. mal. Ges. viii. pp. 44-50. 
Helix fruticum found living in the Taunus at Eppstein ; Heynemann, 
Nachr. mal. Ges. 1881, p. 62. 
P Mnus detritus (Mull.), found in 1821 by C. Pfeiffer in the neigh- 
bor , of Cassel, no longer occurs there; Diemar, Ber. Ver. Cassel, 
XX •.-p.'lOS. 
[^Spnogyra'] Bulimus goodalli (Millet) has lived for many years past in 
the Orchid houses of Mr. Day, of Tottenham ; Ashford, J. of Conch, iii. 
p. 240. 
Bitkynia tentaculata (L.) found at Oswego, N. Y., and in the Champ- 
lain Canal, 1879, in the Erie Canal at Syracuse, 1880, plentifully ; Beau- 
champ & Ballon, Am. Nat. xiv. [1880], p. 523. 
Pupilla hadia (Ad.) found at Oak Island, Chelsea, and on Lowell 
Island, Salem, where it probably not existed before ; E. Morse, Bull. 
Essex Inst. xii. [1880] p. 173. 
Zonites [^Hyalina'] cellarius (Miill.) and an undetermined imported 
species of Limax in greenhouses at St. Louis, the latter destructive 
to foliage plants; L. B. Case, Valley Nat. ii. Sept. 1880. 
Helix aspersa (Miill.) living near S. Jose, Santa Clara County, Calif., 
where it has been introduced by man 23 years ago ; the other recorded 
locality, Santa Barbara, appears to be erroneous. Stearns, Ann. N. York 
Ac. ii. pp. 129-131. 
A. Granger states that Tritonium nodiferum, Turbo rugosus, Venus 
verrucosa, Artemis exoleta, Pecten opercularis, and Avicula tarentina have 
disappeared from the Mediterranean coast of France, where they had 
been observed in former times, the four latter exterminated by man, the 
two former without known cause ; Act. Soc. L. Bord. xxxiv. p. 335. 
Gryplma angulata (Lam.) accidentally introduced on the coast of the 
Gironde, has now so multiplied, that it is feared it may supplant the true 
oyster ; M. Brocci, in a report published in the French Journal Officiel ; 
abstract in Ann. Sci. Nat. (6) xii. art. 6, 1 p. 
Litorina litorea (L.). Its gradually advancing distribution on the 
shores of New England, from Maine, 1870, to New Haven, 1880, pointed 
out by E. Morse, Bull. Essex Inst. xii. [1880] pp. 173-176 ; and Verrill, 
Am. J. Sci. (3) XX. p. 251. Gray’s statement concerning 1879 [Zool. 
Rec. xvi. Moll. p. 49], also in J. of Conch, iii. p. 183. 
Truncatella truncatula (Dr.), Alexia myosotis (Dr.), and Assiminea 
grayana (Leach), European brackish -water shells, found at Newport, 
Rhode Island, Verrill, P. U. Nat. Mus. iii. p. 376, and Am. J. Sci. (3) 
