l80 CARRIE I. WOOLSEY. 



Plate III. 

 Jamaicana subgnttala Walker. 



Spermatogonia! figures from two other individuals of this species. The number 

 of chromosomes in 438, is thirty-five. In 503 there aie thirty-three simple chro- 

 mosomes plus a V-shaped multiple. 



Figs. 27-29. Polar view, metaphase spermatogonia! figures of individual No. 



438. 



Figs. 30-36. Polar view, metaphase spermatogonia! figures of No. 503. The 

 V-multiple chromosome is conspicuous on the periphery. 



Fig. 37. First spermatocyte, late prophase showing the long V bi-tetrad of 

 the one-V type. 



