Oct.  1899.  Annual  Report  of  the  Director.  353 
Nov.  12. —  "Biology  of  the  Great  Lakes"  (Illustrated). 
Prof.  Jacob  Reighard,  University  of  Michigan. 
Nov.  19.  —  "  The  Magic  Earth." 
Mr.  Edward  Kemeys,  Bryn  Mawr,  111. 
Nov.  26. —  "From  Columbus  to  Cervera"  (Illustrated). 
Prof.  Edwin  E.  Sparks,  University  of  Chicago. 
Following  is  the  Eleventh  Lecture  Course  : 
March  4.  —  "Cuba  and  the    Cubans"    (Illustrated).     Repeated  by 
request. 
Dr.  R.  S.  Martin,  Chicago. 
March  11. — "Blind  Fishes  of  North  American  Caves"  (Illustrated). 
Dr.  Carl  H.  Eigenmann,  Director  Biological  Sta- 
tion, Bloomington,  Ind. 
March  18.  — "  Religious  Ceremonies  of  the  Hopi  Indians  of  Arizona" 
(Illustrated). 
Dr.    George  A.  Dorsey,   Curator  Department  of 
Anthropology. 
March  25.  —  "Colors  of  Flowers  and  Fruits"  (Illustrated). 
Prof.   W.   H.   Dudley,    Wisconsin    State  Normal 
School. 
April  1.  —  "Russia  and  the  Russians"  (Illustrated). 
Prof.  A.  M.   Feldman,  Armour  Institute  of  Tech- 
nology. 
April  8.  — "The  Bad  Lands  of  South  Dakota"  (Illustrated). 
Prof.   O.   C.   Farrington,   Curator  Department  of 
Geology. 
April  15. — "  Extinct  Vertebrates  of  the  Bad  Lands"  (Illustrated). 
Mr.   E.    S.   Riggs,   Assistant  Curator  of  Paleon- 
tology. 
April  22.  —  "Animal  Messmates  and  Parasites"  (Illustrated). 
Prof.  H.  M.  Kelly,  Cornell  College,  Mount  Vernon, 
Iowa. 
April  29.  —  "Aboriginal  Methods  of  Manufacturing    Weapons  and 
Implements"  (Illustrated). 
Prof.  George  L.  Coliie,  Beloit  College,  Wis. 
