4o8 



DISCOVERY REPORTS 



found may be due to a mixture of species, but I have not been able to find any evidence 

 of such a mixture. 



Fig. 17. Panulirus A, 9 mm. St. 692. 



The earUest stage seen already had the antennular peduncle divided into three 

 segments, a condition which is reached in stage IV in Paliniirus vulgaris (Bouvier), but 

 not till stage VI in Scyllariis arctus (Stephensen). Stage IV in Palinurus vulgaris has 

 the abdomen much more developed and stage VI of Scyllarus arctus corresponds in 



