6^2 
ZOOLOGICAL LITEllATUllE. 
Ascidicola rosea (Thorell) = Oos/ebcoifa setigea'a (Hesse) observed at Naples 
by Buchholz, 1 . c. p. 160. 
Zichomolgus (Thorell) elongatus, sp, n., Buchholz, /. c. p. 151, pi. 11. fig. 9, 
Naples. 
Ascomyzon echimcolaj sp. n., Norman, Hep. Brit. Assoc, for 1868, p. 300, 
Shetland Islands, parasitic on Echinus esculentus. 
SIPHONOSTOMA. 
Caligidae. 
Nogagus liitkenUf sp. n., Norman, Hep. Brit. Assoc, for 1868, p. 300, Shet- 
land Islands, on a Skate. 
Leenasidae, 
Nereidicola bipartita, sp. n., Grube, Verhandl. schles. Gesellsch. vaterl. 
Kultur, 1869, p. 33, pi. 1. fig. 2, St. Vaast-la-Hougue, on Nereis cidtrifera. 
Lerncea. A. Metzger’s paper on the male and female before the com- 
mencement of the retrograde metamorphosis, written in German (Zool. Record, 
vol. V. pp. 612, 633), has been translated into English by W. S. Dallas, Ann. & 
Mag. Nat. Hist. iii. pp. 164-167. 
Lemea gadus minxdus [sic!], sp. n., found on the gills of Gadus mimitus, de- 
scribed by M. Hesse, Ann. Sci. Nat. xiii. 1870, pp. 1-30, pi. 1. The author had 
two full-grown females and two younger ones. He describes some stages of 
the embryonic development, and enters into the physiology and metamor- 
phoses of these Crustacea. His statements that the heart is a tube closed on 
all sides, and that the fluid contained in it is different from the nourishing 
fluid in the other parts of4he body, is contradicted in a concluding remark by 
Alph. Milne-Edwards. 
SUCTOIIIA. 
Sacculina, On the development of the eggs within the ovary, Gerbe, 
Compt. Rond. Ixviii, pp, 460-462 j Am). & Mag. Nat. Hist. iii. pp. 321, 322 ; 
Revue et Mag, Zool, 1869, p. 80, 
CIRRIPEDIA. 
Paradolepas, gen. nov., allied to Lepas and Dichelasjjis, having flve con- 
tiguous plates like the former, transparent in their general extent, but 
strengthened by the deposit of shelly matter, like the rudimentary valves of 
Dichelaspisj without, however, overlapping each other. — V. ncptuni, sp. n,, 
Macdonald, Proc. Zool. Soc. 1809, pp. 440-444, pis. 33, 34, parasitic on the 
branchiae of Neptunus pelagicus (L.) in More ton Bay. 
Balanus improvisus (Darwin), var. gryphicus (Munter), is fully described, 
■with many observations on its development, by Dr. Buchholz, Mittheilungen 
aus dem naturwissenschaftlichen Vereine von Neuvorpommern und Riigen, i, 
pp. 4-40, with 2 plates. 
PYCNOGONIDA. 
Observations on the development of Pycnogonum littorale, 
Achelia leevis, and Phoxichilidium, sp., have been published by 
