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

Creator:: Bennington, Elwin Everrett
Resource Type:: Dissertation
Full Text:: difficult to see. It is an extension of the upper part of the uterine tube. At times, in some flukes

Fine structure and histochemistry of the cuticle of the cercaria of Acanthatrium oregonense (Macy)

Creator:: Inhelder, Carol Marie
Abstract:: The cuticle of the cercaria of Acanthatrium oregonense was studied by means of electron microscopy and histochemistry. The integument of this cercaria has a definite ultrastructure which varies in different regions of the body. The body cuticle is a syncytium containing vesicles and mitochondria. It is bounded externally by a...
Resource Type:: Masters Thesis
Full Text:: were identified by the characteristic flexing and extension of the body, bringing the acetabulum into

The ecology of Lepidurus apus in northern Utah and some limnological requirements for hatching

Creator:: Braswell, Audrey Lee Jr
Abstract:: A survey of the major bodies of water, temporary and perennial, in the region of Northern Utah revealed a limited distribution of the Notostraca. Lepidurus (Linn.), the only representative found, was restricted to a single temporary shallow lake. Dry Lake, in the southern end of Cache County. Dry Lake occupies...
Resource Type:: Dissertation
Full Text:: . Extension of the pre-incubation cold treatment up to 31 days resulted in a consequent reduction (not

Some hemiurid trematodes of Oregon marine fishes

Creator:: McCauley, James Elias
Resource Type:: Dissertation
Full Text:: Some hemiurid trematodes of Oregon marine fishes SOMI

Life cycle and host specificity of Diclidophora sp. (Monogenea-Diclidophoridae), a parasite of embiotocid fishes

Creator:: Hanson, Alfred Warren
Abstract:: The life cycle of a monogenean, Diclidophora sp., was studied with special attention to the time required for developmental stages to occur. Eggs are produced by adult worms at the rate of one every 13.5 minutes and require 32 days to hatch when incubated at 12.5°C and 30.9‰ salinity. Rate...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Alfred Warren Hanson for the

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:: this species. It is longer than the entire antenna and may be merely an extension of the second

Digenetic trematodes of Ascaphus truei in western Oregon

Creator:: Anderson, Glenn Arthur
Abstract:: The Tailed Frog Ascaphus truei, the only species in the family Ascaphidae found outside New Zealand, is a common inhabitant of the mountain streams of the Northwestern United States and British Columbia. The anatomical peculiarities of this primitive anuran have been investigated, but no literature is available on the digenetic...
Resource Type:: Dissertation
Full Text:: extension of the excretory bladder, the proximal ends of the excretory tubes had rnoved cephalad (Figure 7

Description and life history of Cardicola alseae sp.n. (Trematoda : Sanguinicolidae)

Creator:: Meade, Thomas Gerald
Abstract:: Cardicola alseae is a blood dwelling trematode found in the fishes Salmo clarki henshawi and Salmo gairdneri gairdneri. Eggs which were ovoid in shape and non-operculate left the adult and passed to the gill capillaries of the secondary lamellae. The miracidium was ovoid, 0.070 mm. long by 0.052 mm. wide,...
Resource Type:: Dissertation
Full Text:: vesicle and male gonopore. The seminal vesicle was a somewhat expanded extension of the vas defer- ens

The early embryology of the nudibranch Archidoris montereyensis MacFarland

Creator:: McGowan, John Arthur
Resource Type:: Masters Thesis
Full Text:: conical extension of the hermaphrodite duct into the vas deferens (Plate VI, figure 15). The cellular

The morphology of Ismaila monstrosa Bergh (Copepoda)

Creator:: Belcik, Francis Peter
Abstract:: The morphology of a rather rare parasitic copepod was studied. Ismaila monstrosa Bergh, an endoparasitic copepod was found in the nudibranch, Antiopella fusca, at Coos Bay, Oregon. Many anatomical features were found, which were different from previous descriptions. Males were described for the first time. Young males lacked the gonadal...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF FRANCIS PETER BELCIK for the (Name

ScholarsArchive@OSU

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

Fine structure and histochemistry of the cuticle of the cercaria of Acanthatrium oregonense (Macy)

The ecology of Lepidurus apus in northern Utah and some limnological requirements for hatching

Some hemiurid trematodes of Oregon marine fishes

Life cycle and host specificity of Diclidophora sp. (Monogenea-Diclidophoridae), a parasite of embiotocid fishes

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

Digenetic trematodes of Ascaphus truei in western Oregon

Description and life history of Cardicola alseae sp.n. (Trematoda : Sanguinicolidae)

The early embryology of the nudibranch Archidoris montereyensis MacFarland

The morphology of Ismaila monstrosa Bergh (Copepoda)

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