Jß P i K c c s f ü r 1 1 4 : 



zubcugen, muß vermieden werden: Mast der Mutterfische, Ver- 

 wendung zu junger Mutterfische, Bastardierung wenig verwandter 

 Arten, äußerer Druck und Stoß, Temperaturstürze, Sauerstoff- 

 mangel usw. 



' Nelson, Jan I. Hatchery Results at Glen Etive. Fisheries 

 Scotland, Salmon Fish.. 19U, I and II (Oct. 1914), G pp., 1 pl. — 

 Künstliche Zucht von Trutta solar und Tr. trutta im Etive in 

 Argyllshire, Schottland. Markierungsversuche. 



* tNeumayer, L. Vergleichende Anatomie des Darmkanals der 

 Wirbeltiere. Verh. anat. Ges. Vers. 28, p. 126—129. — Dem Spiral- 

 darm rezenter Formen homologe Bildungen bei den fossilen Fischen. 

 ' Newman, H. H. Modes of inheritance in teleost liybrids. 

 Journ. exper. Zool., Vol. 16, p. 447—499. 



Nichols, J.T. (1). On a New Swell-Fish from Florida. Bull. 

 Amer. Mus. nat. Hist., Vol. 33, p. 81 — 83. — S-pheroides harperi n. sp. 



»■ — (2). Gohiosoma longum and Rivulus heyei, new Fishes from 

 the West Indian Fauna. Bull. Americ. Mus. Nat. Hist. XXXIII, 

 p. 143—144, 1 Fig. 



- — (3). A New Scorpaena and a rare Ray from North Carolina. 

 Bull. Amer. Mus. nat. Hist., Vol. 33, p. 537—538, 1 Fig. — Scorpaena 

 colesi n. sp. 



Nichols, John T., and Mowbray, Louis L. A new Angel-Fish 

 {Angelichthys townsendi) from Key West. Bull. Americ. Mus. Nat. 

 Hist. XXXIII, p. 580 — 583. — Angelichthys townsendi n. sp., 

 A. ciliaris, A. isabelita. 



• Nichols, J. T. and Murphy, R. C. Fishes from South Trinidad 

 Islet. Bull. Americ. Mus. Nat. Hist. XXXIII, p. 261—266, 3 Figg. 



— Neue Arten: Anisotremus sarugo, Batistes vetula trinitatis 

 subsp. nov. 



' Nilsson, D. A contribution to the biology of the mackerei, 

 Investigations in Swedish waters. Copenhague Public, de circ. 69, 

 68 pp., 2 pls. 



** Nordgaard, 0. Beretning om fors0k med utklaekking av guld- 

 flyndre {Pleuronectes platessa L.) ved Trondjems biologiske Station 

 i aarene 1910—1914. Kgl. norske Vid. Selsk. Skrift. 1913, No. 6, 

 104 pp., 37 Figg. 



A Nordquist, Harald. Bidrag tili känncdomen om vära söt- 

 vattensfiskars larvstadier. Arkiv för Zoologi 9, 49 pp., 4 pl., 1 Fig. 



— Leuciscus rutilus, Phoxinus aphya, Tinea vulgaris, Abramis 

 hrama, Alhurnus hicidus, Cyprinus carpio, Lota vulgaris, Perca 

 fluviatilis, Cottus quadricornis , Coregonus albula. 



' O'Donoghue, Chas. H. Notes on the circulatory stystem of 

 Elasmobranchs. I The Venous System of the Dogfish {Scyllium 

 canicula). Proc. Zool. Soc. London, p. 435-^55, 2 pls., 4 Figg. 

 Okkelberg, Peter (1). Volumetrie Changes in the Egg of the 

 Brook Lamprcy, Eniosphenus [Lampcträ) wilderi (Gage), after 

 Fertilization. — Biol. Bulletin Woods Hole XXVI, p. 92—99, 

 2 Figg. 



