350 Miscellaneous, Revision of Amphipoda . By the Kev. Thomas li. 11. Stebbi>^g, M.A., F.E.S. In the Ann. & Mag. Nat. Hist, for March 1899, at p. 241, a new goims was defined for the reception of CoropJiiian crcavatum, Thomson, but, b}-inadvertence, the name of the genus was omitted. It is Paravoroplninn. On p. 239, 1. 15, for Darivinii (Eate) should be read variegatas^ Leach. This opportunity may be taken for announcing some other changes which 1 consider necessary in the nomenclature of the Amphijioda. Micrudetdopus chelifer, Haswell, I propose to call Microdcutopus JIasivelli, and to transfer his JSlicrodeutopus australis to the genus Lcmhoides ; the Axdonoe lonrfidigitans of Bonnier to the genus Lemhos : Ma'roides Thomp>soni, Wallier, Mcera crassipe/^, Haswell, Mara dentifera, Haswell, Mm-a Chiltoni, G. ^\. Thomsoi), Paranania lonrjimanKS, (^\\i\io\'\, and Podoceroptsis pahnata, Stebbing and Eobertson, all to the genus Gammaropsis. Leptodieirus pilosu^,, Delia Valle, seems to be distinct from the species so-named by Zaddach, and may be distinguished as Lcjdocheirus DeUavrdlei. Biancolina alr/icoht, Delia Valle, appears to be identical with AmjdtitJioe minicvhis, and will become Biancolina cunicvlvs. Mara IJasweUi, G. M. Thomson, should, 1 think, be placed in Haswell's genus Wyvillea, a genus about which, however, more precise infor-mation is desirable. Podocerus dtntex, Czerniavski, may, as Jassa dtntex, include in its synonymy Podocerus Herdmani, Walker, and Podocerus odontonyx, Sars. The SipJionoecetes typicus described by Delia Valle does not suit well with Kroyer's species, and deserves the independent title of SipJionoecetes Dellavalhi. Dates of Charles d'Orhignyh ' Dictionnaire Uuiversel d''Histoire Naturelle,^ 1839-1849. By C. Davies Sheebokn and T. S. Palmer. Careful collation of five copies of this ' Dictionnaire ' shows that with the exception of volume i. there was only one composition — that is to say, if we take p. 100, for instance, the last word in every copy of every volume is identical. There was are-composition of volume i., for one of us has examined an original copy in the U.S. Nat. Museum which differs in that the " Discours" is paged in roman (i-ccxl) and p. 100 terminates with " qui est," two words towards the end of the article " Acrodou." The other four copies of vol. i. which have been examined by us are themselves alike, but differ in that they have a new printer, some changes in authors, and a slightly difierent title-page. It is quite possible that there were reprints of some of the other volumes as they were exhausted, but there is nothing to show, so far us our researches go, that any re-setting of the type took place in any volume but volume i. Of the five sets examined, that of the U.S. Nat. Museum is the most valuable, as, with the exception of vol. ii., it is apparently an orio-inal issue. It belonged to Professor S. Y. Baird. The Zoolo-gical Society's copy shows what are probable reissues of the first five volumes.
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