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Articles 91 - 103 of 103

Full-Text Articles in Life Sciences

Protozoan And Helminth Parasites Of White-Tailed Deer (Odocoileus Virginianus) In Southern Illinois, Sarah M. Mugwanya Jan 1971

Protozoan And Helminth Parasites Of White-Tailed Deer (Odocoileus Virginianus) In Southern Illinois, Sarah M. Mugwanya

Masters Theses

No abstract provided.


Reproductive Cycle Of The Male Snapping Turtle, Chelydra Serpentina Serpentina (Linné), Harold Edward Benny Jan 1971

Reproductive Cycle Of The Male Snapping Turtle, Chelydra Serpentina Serpentina (Linné), Harold Edward Benny

Masters Theses

Thirty-seven male Chelydra s. serpentina were collected from Illinois, Louisiana, Mississippi, Tennessee, and Wisconsin during months of activity from May, 1969 to June 1971. Carapace length for each specimen was measured, and testes and epididymides were dissected out, weighed, measured, fixed, and preserved in Baker's neutral formalin within seven days of capture. Paraffin sections were stained with hematoxylin and eosin. Frozen sections were stained with Sudan IV.

The spermatogenic cycle was similar to those of other Chelonians and reptiles exhibiting post-nuptial spermatogenesis. In Illinois spermatocytogenesis begins in late March or early April. Meiosis is evident throughout May and early ...


An Experimental Study Of The Food Plant Preferences Of The Black Cutworm, Agrotis Ypsilon (Hufnagel), Alan C. York Jan 1970

An Experimental Study Of The Food Plant Preferences Of The Black Cutworm, Agrotis Ypsilon (Hufnagel), Alan C. York

Masters Theses

No abstract provided.


A Histochemical Study Of The Ovary Of The Milkweed Bug Oncopeltus Fasciatus (Dallas), With Special Reference To The "Intermediate" Cell, Khian Kioe Liem Jan 1970

A Histochemical Study Of The Ovary Of The Milkweed Bug Oncopeltus Fasciatus (Dallas), With Special Reference To The "Intermediate" Cell, Khian Kioe Liem

Masters Theses

No abstract provided.


Aging Illinois White-Tailed Deer By The Tooth Replacement And Wear And The Cementum Annuli Techniques, James B. Bertoglio Jan 1970

Aging Illinois White-Tailed Deer By The Tooth Replacement And Wear And The Cementum Annuli Techniques, James B. Bertoglio

Masters Theses

No abstract provided.


Studies On The Nutritional Aspects Of Tubificid Worms, Thomas Nelson Seng Jan 1970

Studies On The Nutritional Aspects Of Tubificid Worms, Thomas Nelson Seng

Masters Theses

No abstract provided.


The Comparative Morphology Of The Female Gonads Of Two Members Of The Nematode Order Tylenchida, Owen G. Coker Jan 1970

The Comparative Morphology Of The Female Gonads Of Two Members Of The Nematode Order Tylenchida, Owen G. Coker

Masters Theses

No abstract provided.


Forelimb Regeneration Study In The Adult Small-Mouthed Salamander (Ambystoma Texanum), John Farrell Williams Jan 1969

Forelimb Regeneration Study In The Adult Small-Mouthed Salamander (Ambystoma Texanum), John Farrell Williams

Masters Theses

No abstract provided.


Some Histological And Physiological Aspects Of The Posterior Adductor Of Quadrula Quadrula, George Gust Poulos Jan 1969

Some Histological And Physiological Aspects Of The Posterior Adductor Of Quadrula Quadrula, George Gust Poulos

Masters Theses

No abstract provided.


A Survey Of The Incidence Of Salmonellosis In Three Groups Of Wild Animals, James T. Heiberger Jan 1969

A Survey Of The Incidence Of Salmonellosis In Three Groups Of Wild Animals, James T. Heiberger

Masters Theses

No abstract provided.


Cocoon Production And Development In The Turbellarian Procotyla Fluviatilis, Terry M. Wunderle Jan 1969

Cocoon Production And Development In The Turbellarian Procotyla Fluviatilis, Terry M. Wunderle

Masters Theses

No abstract provided.


Studies On The Planktonic Protozoa And Other Microbiota Of A Eutrophic Lake, Neil Howard Chance Jan 1968

Studies On The Planktonic Protozoa And Other Microbiota Of A Eutrophic Lake, Neil Howard Chance

Masters Theses

No abstract provided.


Studies On The Effects Of Toxic Materials On The Respiration Rate Of Tubificidae, Richard A. Sikora Jan 1967

Studies On The Effects Of Toxic Materials On The Respiration Rate Of Tubificidae, Richard A. Sikora

Masters Theses

A study was made to determine the effect of lead, nickel and pentachlorophenol, at varying pH levels, on the respiration rate of this family of aquatic oligochaetes. Respiration was measured as the ul. of oxygen consumer per mg. of live tissue per hour of exposure.

Worms were found to decrease their rate of respiration in the presence of lead nitrate. This was demonstrated at three pH levels: 6.5, 7.5 and 8.5. It was concluded that this drop was due to the action of lead on the enzymes of the metabolic systems and on the characteristic of lead ...