1968] 
Roth & Cohen — Chromosomes of Pycnoscelus 
69 
Explanation of Figures 13-26 
Figs. 13-14. Pycnoscelus surin amen sis. Chromosomes of females from 
Florida (X 1300). 13. 53 chromosomes. 14. 106 chromosomes. 
Figs. 15-17. Pycnoscelus surinamensis. Chromosomes of females (X 1300). 
15. Belem (Brazil), 53 chromosomes. 16. Changuinola (Panama), 54 chro- 
mosomes. 17. Jamaica, 54 chromosomes. 
Figs. 18-19. Pycnoscelus indicus. Karyotypes of females from Hawaii 
(X 2600). 18. 2n M 36. 19. 2n = 38. 
Figs. 20-21. Pycnoscelus surinamensis. Karotypes of females (X 2600). 
20. Brazil (Serra Tamendaui), 34 chromosomes. 21. Thailand (Pak Thong 
Chai County), 35 chromosomes. 
Figs. 22-23. Karotypes of Pycnoscelus surinamensis (X 2600). 22. Fe- 
male from Australia, 34 chromosomes. 23. Male from Thailand (Pak Thong 
Chai County, Sakaerat District), 33 chromosomes. 
Figs. 24-25. Karyotypes of Pycnoscelus surinamensis females (X 2600). 
24. From Panama (Changuinola), 54 chromosomes. 25. From Indonesia 
(Bogor), 37 chromosomes. 
Fig. 26. Karyotype of a female Pycnoscelus surinamensis from Florida, 
with 53 chromosomes. Top 3 rows are medians; fourth row, submedian; 
bottom row, subterminal (X 2600). 
