CURRENT LITERATURE. 



Baker, F. C— The Molkiscan Fauna ol the- Dells ui Winconsin. Trans. Ac. Sc. St. 

 Louis, 1904, vol. xiv, pp. 99 — 105. 



Baker, F. C. — N'otes on I'lanorbis Iniiuatus Miles. Ibid., pp. 107— no. 



The writer is of opinion, after examining several thousand specimens of P. trivolvis 

 and comparing them with eximples of P. fnnicatiis, that the latter is the ancestral form 

 of the former species, and not rice versa as he has previously stated. 



Baker, F. C. — The Arrangement of the Collection of Mollusca in the Chicago Academy 

 of Sciences. Musems Journ,, 1904, vol. iii, pp. 354— 3^o. P'- >^l'v. 



Girty, George H— New Molluscan Genera from the Carboniferous. Proc. U.S. Nat. 

 Mus., 1904, vol. xxvii, pp. 721—736, pis. xlv— xlvii. 

 The new genera and species described and figured are : Liinipecteii kwiviiis, Pleii- 

 rophonila papilloma, Clavitliics lioicanieiisis, and SclnicliertelLi, n. nom., "proposed for 

 shells havin.i,' the type of structure for which the name Oitliotketcs is at present in use." 

 Type S. lens, White. 



Hedley, C — The Effect of the Bassian Isthmus upon the existing marine fauna : a 

 study in ancient geography. Proc. Linn. Soc. N.S.W., 1903, pp. 876 —883. 



Hedley, Charles. — Additions to the Marine Molluscan fauna of New Zealand. Kcc. 

 Aust. Mus., 1904, vol. v, pp. 86—97, figs. 14—25. 



The new genera and species are: Pleiirodon iiiaoriaiiiis ; Vciticipivnns niytiliis, 

 gen. and sp nov., referred with some doubt to the Caniitidac ; Scliisniopc brevis and 

 S. rosea ; Iiicisiira, nov. gen., type Scissiirella lyflletoiieiisis, Smith ; Puiictiirella deiiiissa, 

 Liotiapolypleuni,Caecitm diiiitiilinu, Coiithoiiyia comii^ata, Rissoa sitteri, Eiiliiua paxilliis, 

 and Leiostraca iniirdochi. 



Pecteii aviculoides, Smith, is transferred to the genus Cyelopceteii, Cardilella delta, 

 Tate and May, to Cnna, and Daphiiella siibstriata, Suter, to Mitroinorplia, thus adding 

 three genera and two species new to the New Zealand fauna. 



Sykes, E. R. — Description of two new species of Mclania from the New Hebrides. 

 Proc. Malac. Soc. Lond., 1904, vol. vi, pp. 13, 14, figs. 1,2. 

 The two new species are M. inorti and ^1/. ciiigidifera. 



Sykes, E. R. — On the Mollusca procurred during the "Porcupine" Expeditions, 

 1869 — 1870. Supplemental Notes, Part I. Ibid., pp. 23 — 40, pi. iii. 



This is an exceedingly valuable piece of work, and no one is better qualified to 

 undertake it than Mr. Sykes. 



Numerous points in nomenclature are dealt with, two new species are described 

 and figured, viz., Retnsa uiarslialli and Cj//c/n;a tj6.sc/n-a, and figures are given of C. 

 hoeniesi (Weinkauff), C. elongata (Jeffreys), Acieon globuliniis (Forbes), Bulla slriatnla, 

 (Forbes), Retnsa lactea (Jeffreys), and R. cxcavata (Jeffreys). 



Sykes, E. R. — The Hawaiian species of Opeas. Ibid., pp. 112, 113, figs. 1—4. 



Figures of 0. jnncens (Gould), 0. pyrgiscns (Pfr.), and descriptions and figures of 

 0. hcnshaici, n. sp., and 0. prestoni, n. var. hawaiicnsis. 



