37 



Nos. 11 to 23 showed no alteration in size of the carapace, and this 

 was found to be the case also for Nos. 31 to 42, " the whole of which 

 were measured and were found to be 12 mm. by Dr. Caiman and 

 myself." 



TABLE Vl.—LEANDER {FABRIC II) ADSPERSUS. 



During a period of six years and three months this example 

 only increased in length from about 42 mm. to about 49 mm., 

 and had cast its cuticle forty-three times. The series evidences 

 that in certain cases moulting takes place quite independently 

 of growth. It will be noted that while the ecdyses occurred without 

 interruption during the long period they were particularly numerous 

 in 1901, 1903 and in 1906, that on the whole they were diminishing 

 in frequency. If the cuticle is shed so frequently in this and 

 probably in similar Macrurous Decapods without reference to 

 growth except incidentally, and probably also without there being 

 a necessity for freeing the body from external growth, it is difi&- 



