Oct.  igoo.  Annual  Report  of  the  Director.  435 
Following  is  the  twelfth  course,  delivered  in  October  and 
November,  1899  : 
Oct.    7. — "The  Cliff  Dwellers  of  Colorado,  Utah,  Arizona  and  New 
Mexico  "  (Illustrated). 
Mr.  E.  H.  Cooper,  Denver,  Colorado. 
Oct.  14. — "Hawaii"  (Illustrated). 
Mr.  R.  J.  Bennett,  Chicago,  111. 
Oct.  21. —  "A  Cruise  Among  the  Antilles — Porto  Rico  "  (Illustrated). 
Dr.   C.    F.   Millspaugh,   Curator,   Department  of 
Botany. 
Oct.  28. — "A  Cruise  Among  the  Antilles— Cuba  "  (Illustrated). 
Dr.   C.   F.   Millspaugh,   Curator,    Department  of 
Botany. 
Nov.    4.  —  "Some  Curious  Insects"  (Illustrated). 
Mr.   E.   B.    Chope,   Assistant  in  Department  of 
Zoology. 
Nov.  11.  —  "Fishes  and  Fishing  on  the  Pacific  Coast"  (Illustrated). 
Dr.  S.  E.  Meek,  Assistant  Curator,  Department  of 
Zoology. 
Nov.  18. — "The  Katcinas  of  the  Hopi  Indians"  (Illustrated). 
Rev.  H.  R.  Voth,  Missionary  to  the  Hopi  Indians. 
Nov.  25.  — "The  Eskimo"  (Illustrated). 
Dr.  George  A.  Dorsey,  Curator,   Department  of 
Anthropology. 
The  following  is  the  thirteenth  course,  delivered  in  March  and 
April,  1900  : 
March    3.—"  The  Age  of  Steel  "  (Illustrated). 
Mr.  H.  W.  Nichols,  Assistant  Curator,  Department 
of  Geology. 
March  10.  —  "Conditions  of  Life  in  Inland  Lakes"  (Illustrated). 
Dr.  E.  A.  Birge,  Professor  of  Zoology,  University 
of  Wisconsin. 
March  17.  —  "Gigantic  Fossil  Reptiles  from  the  Jurassic  of  Wyo- 
ming" (Illustrated). 
Mr.  E.  S.  Riggs,  Assistant  Curator  of  Paleontology. 
