144 



FERNANDUS PAYNE. 







V 









* ** L 



*. 







p 



FIG. 10. Acholla multispinosa De Geer. A-C, female groups showing 

 30 chromosomes, six of which are small ; D-F, male groups, 26 chromosomes, 

 one of which is very large and three small ; G, prophase of the first division 

 showing the chromosome complex ; H-J , metaphase figures of the first division 

 with 16 chromosomes the chromosome complex is still present; K, a side 



