Abstract
As I have frequently done in the past, I am again expressing my deep appreciation for the continued help and encouragement in the pursuit of my studies extended to me by the staff of the Museum of Comparative Zoology, Harvard University. The National Science Foundation has aided me very materially by awarding me Grants GB-18o1 and GB-5o13. Other foundations, not specifically mentioned here, have also aided me in my studies and collecting trips in Central America and the West Indies. Dr. J. G. Sheals and Mr. D. J. Clark, British Museum (Natural History), have kindly loaned me males and females of Trachelas femoralis Simon from St. Vincent, B. W. I.