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A biological and taxonomic study of selected myxosporida of some Oregon fresh-water fishes

Creator:: Wyatt, Ellis Junior
Abstract:: Biological studies were conducted on a histozoic myxosporidan Myxobolus insidiosus (Wyatt and Pratt, 1963) from the musculature of Oncorhynchus tshawytscha (Walbaum). This organism is known to occur in spring chinook salmon in Oregon and coho salmon O. kisutch (Walbaum) in Washington. In addition Myxobolus kisutchi (Yasutake and Wood, 1957) was...
Resource Type:: Dissertation
Full Text:: of some Oregon fres-water fishes AN ABSTRACT OF THE THESIS OF ELLIS JUNIOR WYATT for the DOCTOR OF

Nematode associates and parasites of the Douglas fir beetle Dendroctonus pseudotsugae Hopkins with notes on biological control

Creator:: Martin, Gordon Wyatt
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF GORDON WYATT MARTIN for the M

A myxosporidian from the musculature of spring Chinook salmon

Creator:: Wyatt, Ellis Junior
Resource Type:: Masters Thesis
Full Text:: Salmon A MYXOSPORIOIAN FROM THE MUSCULATURE OF SPRING CHINOOK SALMON by Ellis Junior Wyatt A

Life history of the caligid copepod Lepeophtheirus hospitalis Fraser, 1920 (Crustacea:Caligoida)

Creator:: Voth, David Richard
Abstract:: Specimens of the starry flounder, Platichthys stellatus (Pallas, 1811) Girard, 1854, were collected in Yaquina Bay near Newport, Oregon, from July, 1970, to August, 1971. Fish infected with Lepeophtheirus hospitalis Fraser, 1920, were transported to Corvallis, Oregon, and maintained in a sea water system at 15°C. Isolated copepods were studied...
Resource Type:: Dissertation
Full Text:: herein suggested that the post oral proc- ess serves to protect the mouth cone. LIFE HISTORY OF THE

Zoogeography of pelagic shrimps (Natantia: Penaeidea and Caridea) in the North Pacific Ocean

Creator:: Wasmer, Robert Allen
Abstract:: A study was done on the zoogeography of species of oceanic shrimp in the North Pacific from 22°N to 56°N and from 124°W to 145°E, using samples of shrimp collected from 1954 to 1969. These collections were made during the following cruises: John R. Manning Cruise 22, and the Hugh...
Resource Type:: Dissertation
Full Text:: shrimp in the North Pacific from 22°N to 56°N and from 124°W to 145°E, using samples of shrimp collected

Parasites of the grunion, Leuresthes tenuis (Ayres)

Creator:: Olson, Andrew Clarence
Resource Type:: Dissertation
Full Text:: . Wyatt Cone, Mr. Alan Dray, and Mr. Kenneth Sims. '!he United States Fish and Wildlife Service and

The life history of Nectobrachia indivisa Fraser, 1920 (Copepoda : Lernaeopodoida) a parasite of the starry flounder

Creator:: Wilkes, Stanley Northrup
Abstract:: The stages in the life history of the parasitic copepod Nectobrachia indivisa Fraser, 1920, have been described. The adult female lives permanently attached to the gills of the starry flounder, Platichthys stellatus (Pallas, 1811) Girard, 1854. The adult male is a dwarf, which usually lives attached to the genital process...
Resource Type:: Dissertation
Full Text:: maxillipedal sleeves extended and anchored to pupal case 62 10 Oral view of mouth cone 62 11 Dorsal view of

Neorickettsia helminthoeca in cell culture

Creator:: Noonan, William Edward
Abstract:: The etiologic agent of salmon poisoning disease was found to be Neorickettsia helminthoeca, although a second organism, the Elokomin fluke fever agent, may also be involved in other areas. Primary cultures of dog leucocytes were found to support the in vitro cultivation of Neorickettsia helminthoeca as were canine sarcoma 503...
Resource Type:: Dissertation
Full Text:: forms of the mature fluke found in the intestine of affected dogs. 4 Wyatt (1925) attempted to

The morphology and sexual maturation of Philometra americana Ekbaum, 1933 (Dracunculoidea:Philometridae)

Creator:: Carter, Richard Thomas
Abstract:: The female Philometra americana Ekbaum, 1933 is a common subcutaneous parasite of the starry flounder, Platichthyes stellatus (Pallas) of Yaquina Bay, Lincoln County, Oregon. Maturation of this worm produces noticeable red cysts subcutaneously between the fin and tail rays and similarly on the operculum. The gravid female penetrates the epidermis...
Resource Type:: Masters Thesis
Full Text:: specimens. Mr. Ellis Wyatt provided excellent critical advice during discussions. I"1r. John Dropp lent

The life history of the salmon poisoning fluke Troglotrema salmincola (Chapin)

Creator:: Bennington, Elwin Everrett
Resource Type:: Dissertation
Full Text:: amebae which caused the disease in dogs. Mr. Thomas Wyatt (13, p. Li.2) in l92 reported that he

ScholarsArchive@OSU

A biological and taxonomic study of selected myxosporida of some Oregon fresh-water fishes

Nematode associates and parasites of the Douglas fir beetle Dendroctonus pseudotsugae Hopkins with notes on biological control

A myxosporidian from the musculature of spring Chinook salmon

Life history of the caligid copepod Lepeophtheirus hospitalis Fraser, 1920 (Crustacea:Caligoida)

Zoogeography of pelagic shrimps (Natantia: Penaeidea and Caridea) in the North Pacific Ocean

Parasites of the grunion, Leuresthes tenuis (Ayres)

The life history of Nectobrachia indivisa Fraser, 1920 (Copepoda : Lernaeopodoida) a parasite of the starry flounder

Neorickettsia helminthoeca in cell culture

The morphology and sexual maturation of Philometra americana Ekbaum, 1933 (Dracunculoidea:Philometridae)

The life history of the salmon poisoning fluke Troglotrema salmincola (Chapin)

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