281 



Well developed young were found in the marsupia of the 

 females during the first half of September. Many half grown 

 specimens were taken. 



Fig. 



1. Armadilloniscus ellipticus 



, dorsal view of female. 



Fig. 



2. 



second antenna of male. 



Fig. 



3. 



left mandible of male. 



Fig. 



4. 



first maxilla of male. 



Fig. 



5. 



tip of endopod of first maxilla of male 



Fig. 



6. 



second maxilla of male. 



Fig. 



7. 



maxilliped of male, distal portion. 



Distribution. — Armadilloniscus ellipticus is reported from New 

 Haven, Conn., (Harger 1878) and Bermuda (Richardson 1902). 

 I have taken it at Woods Hole (Bathing Beach and around Great 

 Harbor) and at the head of Quisset Harbor. 



