2,22 REPORTS OF* INVESTIGATIONS AND PROJECTS. 



Reports upon the principles and practice of federal intervention and upon 

 the political influence of the federal government on the provinces are in 

 course of preparation. 



Throughout the work essential points of contrast between the constitutional 

 practices in Argentina and in the United States are considered. 



PSYCHOLOGY. 



Franz, Shepherd Ivory, Government Hospital for the Insane, Washington, 

 District of Columbia. Grant No. 80. Por investigation of the func- 

 tions of the cerebrum, with special reference to the functions of the 

 association areas. (For previous reports see Year Books Nos. 4, 5, 

 and 6.) $1,000. 



Dr. Franz reports general progress on his work under the above grant. 

 The work on the parieto-occipito-temporal association area has been con- 

 tinued, and he has had the opportunity of examining Dr. C. B. Farrar's 

 specimens of monkey brains used in a previous research on frontal lobes, but 

 no new results have appeared in this examination. 



During the year Dr. Franz has published three articles in which results on 

 the frontal lobes are further discussed. (See bibliography, pp. 45-52.) 



ZOOLOGY. 



Castle, W. E., and Mark, E. L., Harvard University, Cambridge, Massa- 

 chusetts. Grant No. 492. Continuation of experimental studies in 

 heredity. (For previous reports see Year Books Nos. 3, 4, 5, and 6.) 



$500. 



Dr. Castle states that the study of color inheritance during the past year 

 has shown the existence of several new color factors, and has led to simpli- 

 fied methods of expressing gametic and zygotic formulse and to a simpler 

 conception of the material basis of heredity factors. Hybrids between Cavia 

 aperea and the guinea-pig, though regularly sterile in the male sex, have been 

 found to be commonly fertile in the female sex, with the guinea-pig male, and 

 to some extent at least with the aperea male. Cuenot's theoretically im- 

 portant discovery that dark-eyed yellow mice are regularly heterozygous has 

 been confirmed. Other investigations are in progress, two papers are in 

 manuscript, ready for publication, and two brief papers have been published 

 during the year. Five students have assisted in the investigations. 



Dr. Mark reports that, as contemplated, his work has been extended to the 

 study of insects. 



(i) Investigations on the spermatogenesis of certain Hymenoptera 

 (honey-bee and mud- wasp) carried on in conjunction with Dr. Manton Cope- 



