256 
ZOOLOGICAL LITERATURE. 
Melania {Pachychilus) schiedeana (Phil.) redescribed by Martens, Mai. 
Blatt. xii. p. 61, Mexico. 
Melania millepanctata, Tryon, 1. c. p. 217, pi. 22. fig. 3, Amazon River. 
Clmiella, see above, p. 250 (Pleurotomidje). 
Litorinidas. 
Litai'ina aarea, sp. n.. Bonnet, Rev. Zool. 1864, p. 281, pi. 22. fig. 4, 
locality unknown. 
PLANAXIDiE. 
Planaxis hreviculus (Desk.), fig. by Issel, Mem. Accad. Torin. xxiii. pi. 1. 
figs. 5 & 6. 
Planaxis ahhreviataj sp. n.. Pease, Proc. Zool. Soc. 1865, p. 515, Central 
Pacific. 
RiSSOIDiE. 
Rissoa cooperij sp. n., Tryon, Am. Journ. Conch, i. p. 222, pi. 22. fig. 13, 
California ; R. compacta, sp. n., Carpenter, Proc. Acad. Nat. Sc. Philad. 
1865, p. 62, Puget Sound. 
Rissoina expansa, sp. n.. Carpenter, Ann. & Mag. Nat. Hist. xv. p. 399, 
Mazatlan. 
Amphithalamus, g. n.. Carpenter, 1. c., p. 181. Testa Rissoidea, nucleo 
magno j apertura labio producto, labro subpostice juncto, subito in adulta 
contracto. A. inclusns, sp. n., Sta. Barbara, California. Bears the same 
relation to Rissoa as Stoastoma to Jlelicina” 
A. ohesus and pupoideus, sp. n., A. Adams, Proc. Zool. Soc. 1865, p. 754, 
Lord Hood's Island. 
JBarleeia suhtenuis, R. (P suUemiis var.) rimata^ and R. lialiotiphila^ sp. n.. 
Carpenter, Journ. Conch, xiii. pp. 143 & 144, California. 
Hydrohia, Besides the species mentioned already in our former Record, 
Bourguignat describes and figures, in the ^ Malacologie de PAlg^rie,’ the 
following from Algeria j none of them are entirely new, but some figured for 
the first time, or were confounded by former authors with European species : — 
Hydrohia elachista (Bourg.), nana (Terver), dolichia (Boiirg.), Amnicola si- 
milis (Drap.), luteola (K-UQt.)) desertorum (Bom'g. = viridis, Tei'vev), pycno- 
cheilia (Bom'g.),pyenolena (Bourg.), dapotetiana (Foxh%s),perfo7'ata (Bourg.), 
letonrneuxiana (Bourg.), seminium (Morelet). In the ‘^Addenda,” p. 314, 
a new species, H. challameliana (Bourg.), is described but not figured. 
Mr. W. Stimpson has published “ Diagnoses of newly discovered genera of 
Gasteropoda, belonging to the subfamily Ilydrohiince of the family RissoidceP 
Am. Journ. Conch, i. pp. 62-54. These genera are : Cochliopa for Amnicola 
rowelli (Tryon), California, fresli water j Flmninieola for Paludina nnttalliana 
and virens (Lea), P. seminalis (Hinds), and A. hindsii (Baird), Oregon and 
California, freshwater j Gillia for Melania altilis (Lea), Pennsylvania to 
Georgia, freshwater j Potamopyrgus for A. corolla (Gould), New Zealand, 
freshwater ; Tryonia for a new species, T. clathrata (Stimps. pi. 8. fig. 1), 
Colorado desert. — The lingual dentition of each of these so-called new genera 
is described, as well as the outer form of the foot, rostrum, tentacles, and verges. 
The following species are figured by Von Erauenfeld in Yerhandl. zool.- 
