560 Zoologie. — Mollusca. 
8400 Allis, E. P., Morphology of the Petrosal Bone and of the Sphenoidal Region of 
the Skull of Amia calva. (Boston, Zoolog. Bull.) 1897. roy. 8. 26 pg. Mark 2 
8401 BallOWitZ, E., Zur Anatomie des Zitteraales, Gymnotus electricus L., mit be- 
sonderer Berücksichtigung seiner elektrischen Organe. (Bonn, Arch. mikr. Anat.) 
1897. gr. 8. 65 pg. m. 3 Tafeln in-4. 6 
8402 Bulletin of the United States Fish Commission for 1896. Volume XV. J. J. 
Brice, Commissioner. Washington 1897. Imp. 8. 8 and 428 pg. with 14 
maps, 120 plates and 81 illustrations. cloth. 20 
Cont.: Ste.jneger, L., The Russian Fur-seal Islands (with 13 maps and 53 plates). — Ever- 
m ann, B. W., Report upon Salmon investigations in the headwaters of Columbia River, in the State 
of Idaho, in 1895 (with 1 map and 5 plates). — Stone, L., The artificial propagation of Salmon 
on the Pacific Coast of the United States (with 14 plates). — Seagle, G. A., The artificial propa- 
gation of the Rainbow Trout (with 8 plates). — Tanner, Z. L., Deep-sea exploration •. General 
description of the steamer Albatross, her appliances and metbods (with W plates). 
8403 GadOW and Abbott. — Hay, 0. P., Gadow and Abbott on the Vertebral Golumn 
of Fishes. (Boston, Zoolog. Bull.) 1897. roy. 8. 11 pg. Iöo 
Gadow, H,, and Abbott, E. C, On the evolution of the vertebral column of Fishes. (Philos. 
Trans.) 1895. 4. 59 pg. with 74 illustrations. M. 2.60. 
8404 Gregory, E. R., Origin of the Pronephric Duct in Selachians. (Boston, Zoolog. 
Bull.) 1897. roy. 8. 7 pg. with 8 figures. l6o 
8405 Müller, F. W., Ueber die Entwicklung und die morphologische Bedeutung der 
„Pseudobranchie" und ihrer Umgebung bei Lepidosteus osseus. Berlin 1897. 
8. 41 pg. 180 
Dissertation. — Dieselbe Abhandlung m. 2 Tafeln — siehe Nr. 4567. 
8406 Roche, G., La Culture des Mers en Europe. (Pisciculture, Piscifacture, Oströi- 
culture.) Paris 1897. 8. av. gravures. teile. 52o 
8407 Undersögelser, Videnskabelige, paa Fiskeriernes Omraade. Udgivne af Dansk 
Fiskeriforening, redigerct af W. L u n d b e c k. Del I. Kjöbenhavn 1897. 4. 
45 pg. m. 5 Tafeln. 52o 
8408 Wheeley, C. H,, Coarse Fish. Notes on Taxidermy, Fishing in lower Thames etc. 
London 1897. 8. 276 pg. with illustrations. cloth. Ö3o 
Mollnsca (et Mollnscoidea) . 
8409 Borgert, A.^ Die Doliolum-Ausbeute des „Vettor Pisani". (Jena, Zoolog. Jahrb.) 
1896. gr. 8. 6 pg. 1 
8410 Gräffe, E., Vorläufiger Bericht über die mikroskopischen Organismen des aus der 
Tiefe des Rothen Meeres gedredschten Schlammes der Expedition S. M. Schiffes 
„Pola" in den Jahren 1895 bis 1896. (Foraminiferen u. Pteropoden.) (Wien, 
Sitzungsber. Akad.) 1897. gr. 8. 8 pg. O20 
8411 Grifün, L. E., Notes on the Anatomy of Nautilus pompilius. (Boston, Zoolog. 
Bull.) 1897. roy. 8. 15 pg. with 5 figures. Iso 
8412 Hidalgo, J. G., Obras Malacologicas. Atlas. Entrega 2| con 15 laminas en color. 
Madrid 1897. 4. 16 
Liste des livraisons parues — voir No. 6293. 
8413 Holmes, S. J., Preliminary account of the Gell-lineage of Planorbis. (Boston, 
Zoolog. Bull.) 1897. roy. 8. 7 pg. with 3 figures. I20 
8414 Journal de Conchyliologie, comprenant l'ötude des Mollusques vivants et fossiles. 
Publik sous la direction de H. Crosse et IL Fische r. Volume 45. No. 2. 
Paris 1897. 8. pg. 89—152 av. 3 planches (1 coloriöe). 
Cont.: Hervier, J., Description d'espices nouvelles de Mollusques, provenant de l'Archipel de 
la Nouvelle-Caledonie, suite (av. 1 piche.). — Drouet, H., Unionidae nouveaux ou peu connus XI. 
— Mayer-Eymar, C, Descriptions de Coquilles fossiles des terrains tertiaires sup6rieurs, suite 
(av 2 plchs.). 
Prix du volume complet (4 nos.) M. 14.50. 
8415 Martens, E. V., Conchologische Miscellen. Theil II (Über einige Olividen ; Go- 
lumbella u. Nassa; Scalaria, Lippistes u. Laciniorbis; A^oluta u. Mitra.) (Berlin, 
Arch. Naturgesch.) 1897. gr. 8. 24 pg. m. 3 Tafeln. 
Theil I. 12 pg. m. 4 Tafeln. 
8416 Metealf, M. M., The Neural Gland in Ascidia atra. (Boston, Zoolog. Bull.) 1897. 
roy. 8. 4 pg. with 4 figures. Ose 
Naturae Novitates. Jahrg. XIX, No. 23. R. Friedländer & Sohn in Berlin. 
