Pearse—On the Habits of Uca Pugnax. 
797 
lipeds to attract the attention of the female, but I am not con¬ 
vinced that she is pleased or that he has any cognisance that his 
claw is brightly colored. 
Females were observed to enter the burrows of males on sev¬ 
eral occasions, and once a female was watched who coquetted 
with a male for three quarters of an hour. The last case oc- 
Fig. 5. Uca puffilator. Waving at mouth of burrow. Drawn from a 
photograph taken at West Falmouth, Massachusetts. 
curred on July 11 and the participants in the romance were two 
Uca pugilators. The male waved and at 12 :17 p. m. the object 
of his attention approached and went part way into his burrow; 
he rushed up and tried to push her in, but she resisted. He 
then retired three inches and stood motionless for three minutes, 
with his claws outstretched in front, then sneaked up and again 
tried to push the female down into his burrow. She again, re¬ 
sisted, he retired, and both were quiet for two minutes. The 
