1SOPODS OF NORTH AMERICA. 



659 



The outer branch is minute and is placed at the inner post-lateral angle 

 of the peduncle. The inner branch can only be seen from the under 

 side, where it is inserted at the upper inner angle of the peduncle, and 

 extends the length of the peduncle, but does not quite reach the 

 extremity of the terminal abdominal segment. 



Th ree specimens of this species were collected by the Bahama expe- 

 dition, August 1, 1904, at Mangrove Cay, Andros. 



This species differs from /-*. carinulatus Saussure in having the 



FIG. 701. PSEl'DARMADILLO DOLLFUSI. a, SECOND MAXILLA. X 51|. 6, OUTER LAMELLA OF FIRST 



MAXILLA, x 51|. c, INNER LAMELLA OF FIRST MAXILLA, x 51|. d, LATERAL VIEW OF ABDOMEN 



AND LAST THORACIC SEGMENT. X 9f. 6, MAXILLIPED. X 27J. /, FIRST MAXILLA. 27. g, MAN- 

 . DIBLE. X 27J. 



epimera of the first thoracic segment ending in a bifurcate process, 

 in having in the median line on the terminal abdominal segment one 

 tubercle followed by two in a transverse series instead of one, in hav- 

 ing the tubercle on the fifth segment of the abdomen largest, and in 

 not having the tubercles of the seventh thoracic segment ""triquetres." 



The types are in the Museum of Comparative Zoology at Harvard 

 University. Cat. No. 6731. 



This species is named in honor of Prof. Adrien Dollfus, who has 

 done much work on the terrestrial isopods. 



