GEOGJBAPflICAL DISTRIBUTION. 
MolU 29 
3. Mediterranean. 
Notes on several critical species living in the coral zone of the Medi- 
terranean Sea, including two heretofore only known as fossil, by A. dt 
Monterosato, Bull. Soc. mal. Ital. vi. pp. 243-259. 
N. Tiberi finishes his list of the Mediterranean Nudihrancliia, dis- 
cussing the Molididm, Hermoeidce^ CalipJiyllacea, and Elysiidm ; Bull. Soc. 
mal. Ital. vi. pp. 224-242. 
Bivalves of the ‘ Porcupine ’ Expedition ; vide supra. 
Note on some marine shells from Cannes, Southern France, by Daut- 
ZENBERG, in Feuil. Nat. 1881, pp. 117-121 {Purpura, lapillus and Bela 
turricula., hero enumerated, are not known else from the Mediterranean), 
and some additions to them by Monterosato, Nat. Sicil. i. pp. 2-4. 
4. East Coast of North America. 
Great Dank of Newfoundland. Account of a visit to it, and list of 36 
species of Gastropods and 38 of Bivalves found there, by T. A. Ver- 
KRUZEN, JB. mal. Ges. viii. pp. 82-100. 
Southern Coast of New England. List of Mollusca obtained chiefly by 
dredging on the outer banks, among which are nearly fresh shells of 
Argonauta argo and several new species ; A. E. Verrill, P. U. S. Nat. 
Mus. iii. p. 465 et seq., and Am. J. Sci. (3) xxii. pp. 297-303. See also 
descriptions and notes on the Mollusca^ &c., collected by the U. S. Fish 
Commission, by Verrill, P. U. S. Nat. Mus. iii. pp. 356-464 [1880-81]. 
S. Carolina. See Melvill, J. of Conch, iii. pp. 155-173. 
5. Tropical Atlantic. 
Florida. 12 marine species added by Calkins to his former list. 
Valley Nat., Nov. 1880. — Shells from Florida, chiefly from Key West ; 
Melvill, J. of Conch, iii. pp. 155-173. 
Gulf of Mexico^ Florida^ and Caribbean Sea. W. Ball enumerates 
and describes a largo number of shells, including many new, dredged by 
the U. S. Survey Steamer ‘Blake’ in 1877-79, from various depths to 
1568 fath. ; the general views on the bathymetrical distributions, given 
by the author previously, 1878 (Zool. Bee. xv. Moll. p. 25), are confirmed 
by the detailed study of the specimens. Bull. Mus. C. Z. ix. pp. 33-144. 
Senegal. A few observations on its marine Mollusca by H. V. Maltzan, 
Ber. senck. Ges. 1881, pp. 125 & 126. 
Ascension Island. Purpura ascensionis (Q. G.), hcemastoma (L.), Nerita 
ascensionis (Gm.), Cyprcea lurida (L.), spurca (L.), Hipponyx antiquata 
(L.), Malleus regula (Forsk.), the first peculiar to this island, of the others 
3 Mediterranean and West African, and 3 also in the West Indies. E. A. 
Smith, Ann. N. H. (5) viii. pp. 430 & 431. 
6. Indo- Polynesian Seas. 
Several new or critical species of small size described by G. Nevill, 
J. A. S. B. 1. pt. 2, pp. 161-166. 
