EXPLANATION OF PLATE XIX. 



Fig. 1. Uc(i radrioiifs, Desra., var. comerls, vav. nov. An adult male, 26 

 mm. wide at the outer angles of the orbits, from Trial Ba\', 



New South Wales. 



,, 2. Front and orbits of the same specimen as Fig. 1. 



,, '^. Chela of the same specimen as Fig. 1. 



,, -i. Chela of an adult male of var. vomeris, from Trial Bay, New 

 South Wales. 



,, 5. Chela of an adult male of var. vumeriti, from Trial Bay, New 

 South Wales. 



,, 6. Chela of a half grown male of var. vomeris, from the Endeavour 

 River estuary at Cooktowu, Queensland. 



,, 7. Chela of an adult male, intermediate between var. roiiit'rit< and 

 var. ti/pira, from the Solomon Islands. 



,, 8. Cliela of an adult male, intermediate between var. voinerit< and 

 var. ti/])ic((, from Trial Bay, New South Wales. 



,, 9. Chela of an adult male, intermediate between var. voiin'rli< and 

 var. typlcu, from Trial Bay, New South Wales. 



,, 10. Cliela of an adult male of var. typicd, from the Endeavour Kiver 

 estuary at Cooktown, Queensland. 



,, 11. Cliela of an adult male of var. Itjpii-a, from Fiji. 



