36 treff

Nature lore or listen to the voice of nature
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1936
Aquiculture and agriculture
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1934
An inexpensive balanced diet for trout and salmon
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1934
Qualitative and quantitative analyses of food for salmonides reared artificially
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1934
When do the rainbow trout spawn?
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1934
The economic value of treated effluent in wild-life conservation : with special reference to fish and waterfowl
Radebaugh, Gus H.
Bok Engelsk 1934
salient problems in the artificial rearing of salmonoid fishes : with special reference to intestial fungisitosis and the cause of white-spot disease
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1933
The relation of temperature to continuous reproduction in the pulmonate snail, Physa gyrina Say +4
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1932
The biology of a "tropical stream" ina frigid country
H.P.W.K. Agersborg, William J. Downer
Bok Språk ikke angitt 1931
Does high temperature in a frigid country limit diversification of the species
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1930
The influence of temperature on fish
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1930
The biology of sewage disposal : a preliminary study
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1929
The biology of sewage treatment plant : a preliminary survey - Decator Illinois
H.P.W.K. Agersborg, Hatfield, W.D.
Bok Språk ikke angitt 1929
Factors in evolution of the prosobranchiate Mollusc, Thais lapillus
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1929
Factors in ther evolution of the prosobranchiate mollusc, Thais Lapillus
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1929
How may our large mammals be protected?
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1927
Studies on the effect of parasitism upon the tissues. 2. with special reference to a new diplostomous trematode found in the monnow notropis anogenus Forbes
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1926
Et Glashus : or an avocation of a biologist
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1925
The sensory receptors and the structure of the oral tentacles of the nudibranchiate mollusk, Hermissenda crassicornis (Eschscholtz 1931) syn. hermissenda opalescens Cooper, 1862, 1863
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1925
A proposed biographical entomological dictionary
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1924
Studies on the effect of parasitism upon the tissues. 1. with special reference to certain gastropod molluscs
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1924
Gymnosomatous pteropoda from Friday Harbour, Washington
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1923
The morphology of the nudibranchiate mullusc Melibe (Syn. Chioraera) leonina (Gould)
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1923
Notes on a new Cladohepatic nudibranch from Friday Harbor, Washington
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1923
Notes on the locomotion of the nudibranchiate mollusc dendronotus giganteus o donoghue
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1922
Observations on stimulations in nudibranchiate mollusks with reference to the role of the Rhinophores
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1922
The relation of the madreporite to the physiological anterior and in the twenty-rayed starfish, pycnopodia helianthoides (Stimpson)
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1922
Contributions to the knowledge of the nudibranchiate mollusk, Melibe leonina (Gould)
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1921
The utilization of echinoderms and the gasteropod mollusks
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1920
The teaching of natural science in the primary and secondary schools of Norway
Agersborg, H.P.W.K.
Bok Språk ikke angitt 1919