Turritide, 201. 
Typhlops, 175. 
U-boats, 149, 169, 245, 249. 
Uea leptostyla, 182. 
Ucides cordatus, 183, 184, 186. 
United States, entrance in world war, 10. 
United States National Museum, visit to, 
LS 
Ultimus gibbosus, 200. 
Urocaptis, 96. 
Urosalpinx, 200. 
Van Horn, Dr. 250. 
Van Wagenen, Gertrude, 
208, 246, 262, 265. 
Venus, 126. 
Vermes, 97. 
Verrill, A. E., 93, 110, 209. 
Vertebrates, of Antigua, 174. 
Vinca, 222. 
Vitrea, 96. 
19) 29), - 105, 
IOWA STUDIES IN NATURAL HISTORY 
Voluta, 126. 
Voluta musica, 89. 
Versluysia, 111, 112. 
War condition, at Antigua, 234; at Bar- 
bados, 134. 
War Trade Board, 28. 
Wasps, 119. 
Watson, Reverend N. B., 118, 126; col- 
lection of, 90. 
Watts, Sir Francis, 6, 11, 14, 16, 169. 
Wehman, H. J., 19, 29, 58, 62, 153, 
ETL, S265. 
Wickham, H. F. 8, 18. 
Women admitted to expedition, 12. 
Xiphogorgia, 208. 
Yellow-tail, 69. 
Zoology Club, 18, 19. 
