ENVIRONMENTAL ENGINEERING SCIENCES / 163

research on insects of medical importance. Conducted principally in the U.S.D.A.
Entomology Research Laboratory.
EY 626-AQUATIC INSECTS. 5 credits
 Prerequisite: EY 460. Life histories and ecologies of aquatic insects.
EY 630-PLANT PARASITIC NEMATODES. 5 credits
 Identical with PT 630. Prerequisite: EY 303. Morphology, taxonomy, life cy-
cles, pathogenicity, and control of the plant parasitic nematodes.
EY 631-MORPHOLOGY AND PHYSIOLOGY OF NEMATODES. 5 credits
 Prerequisite: EY 303. Anatomical study of the organs of nematodes and their
 vital functions.
 EY 632-TAXONOMY OF NEMATODES. 5 credits
 Prerequisite: EY 631. Taxonomy and identification of members of the Phylum
Nemata.
EY 634-RADIATION IN INSECT STUDIES. 5 credits
 Prerequisite: BLY 565. Specialized topics and current research on radiation in
 entomology.
 EY 635-INSECT RESISTANCE IN CROP PLANTS 1. 3 credits
 Principles of plant resistance to insects.
 EY 636-INSECT RESISTANCE IN CROP PLANTS 2. 3 credits
 Methods of developing plant resistance to insects.
 EY 637-VETERINARY ENTOMOLOGY. 5 credits
 Prerequisite: EY 420 or consent of instructor. Arthropods parasitic on
 animals: biology, control, and host arthropod interaction. Collection, identification,
 and bionomics of arthropods affecting animals other than man.
 EY 697-SUPERVISED RESEARCH. 1 to 5 credits
 Credit not applicable toward degree. May be repeated.
 EY 698-SUPERVISED TEACHING. 1 to 5 credits
 Credit not applicable toward degree. May be repeated.
 EY 699-MASTER'S RESEARCH. 1 to 17 credits
 EY 799-DOCTORAL RESEARCH. 1 to 17 credits


 ENVIRONMENTAL ENGINEERING
 SCIENCES

 (College of Engineering)
 GRADUATE FACULTY 1971-72
 PYATT, E. E., Chairman; BEVIS, H. A.; BOLCH, W. E., JR.; BREZONIK, P. L.;
 DUNAVANT, B. G.; Fox, J. L.; FURMAN, T. DES.; HEANEY, J. P.; HUBER, W. C.;
 MAUDERLI, W.; MORGAN, W. H.; ODUM, H. T.; PUTNAM, H. D.; SINGLE,
 J. E.; SUSAG, R. H.; URONE, P.
 Graduate Coordinator: H. A. BEVIS
 Graduate study is offered leading to the degrees of Master of Engineering,
 Master of Science, Engineer, and Doctor of Philosophy in the field of en-
 vironmental engineering sciences. Areas in which the student may specialize
 include air resources, water supply and water pollution control, water re-