62 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 4 



16. Elementary Economic Entomology. First term. Two liours. Lectures (2) 

 T, Th, 9. Main 392. Assistant Professor Herrick. 



Prerequisites. None. A course designed for special students. Not open to 

 students who are prepared to take Entomology 8. 



Discussion of insect pests in general, with remedial suggestions. Occasionally) the 

 class will be taken to the field to observe insect pests at work. 



[17. Literature of Systematic Entomology. First term. Two hours. Lectures 

 (2) W, F, 8. Main 392. Not given in 1910-1 1 . Assistant Professor MacGillivray.] 



Prerequisite. Entomology 5. 



A systematic study of bibliographies, indexes, and general entomological literature; 

 the preparation of catalogues of insects; the evolution of the rules of zoological 

 nomenclature; and the methods of determining the priority of generic and specific 

 names. 



[18. Embryology of Insects. Second term. One hour. Lectures (1) Th, 9. 

 Main 392. Not given in 1910-11. Assistant Professor W. A. Riley.] 



Prerequisites. Entomology 3, 4, and 5. Alternates with Course 12. 



19. General Limnology. Second term. Three hours. Lectures (1) at an hour 

 to be arranged. Practice (2), laboratory or field work T, 2-4:30, and a second period 

 by appointment. Main 302 and Biological Field Station . Assistant Professor Need- 

 ham and Mr. Lloyd. 



Prerequisites. Open only to students who have taken or are taking General 

 Biology 1 and Entomology 3. 



An introduction to the stud}' of the life of inland waters. Aquatic organisms in 

 their qualitative, quantitative, seasonal, and ecological relations. 



20. Research in Limnology. Throughout the 3^ear. Three or more hours. Prac- 

 tice by appointment. Main 302 and Biological Field Station. Assistant Professor 

 Needham. 



Prerequisite. Entomology 19 or its equivalent. 

 A course consisting of laboratory and field work. 



22. Animal Parasites and Parasitism. First term. Two hours. Lectures (1) T, 

 8. Practice (1) M or T, 2-4:30. Main 392. Assistant Professor W. A. Riley. 



Prerequisite. Must be preceded or accompanied by Biology 1 or Zoology 1. 

 Entomology 3 is also advised. 



A consideration of the origin and biological significance of parasitism, and of the 

 structure, life-history, and economic relations of representative animal parasites. 



23. The Relations of Insects to Disease. Second term. Two hours. Lectures 

 (1) T, 8." Practice (1) T, 2-4:30. Main 392. Assistant Professor W. A. Riley. 



Prerequisites. Must be preceded or accompanied by Biology 1 or Zoology 1. 

 Entomology 3 is also advised. 



Considers primarily the agency of insects and other arthropods in the causation or 

 the transmission of diseases of man and animals. 



24. The Classification of Immature Insects. Second term. Two hours. Lectures 

 none. Practice (2) by appointment. Main 301. Assistant Professor MacGillivray. 



Prerequisite. Entomology 5. 



A course in the taxonomy of nymphs, larvae, and pupse. 



27. Research in Morphology of Insects. Throughout the year. Three or more 

 hours. Lectures, none. Laboratory open daily ex. S, 8-5, S, 8-1. Main 391. 

 Professor Comstock and Assistant Professor W. A. Rilej\ 



Prerequisites. Entomology 3, 4, and 5. 



Specialworkarranged with reference to the needs and attainments of each student. 



28. Research in Systematic Entomology. Throughout the year. Three or more 



