MONOGRAPH OF THE EXISTING CRIXOIDS. 



353 





Fio. 448. 



FIG. 447. 



FlQ. 449. 



FlO. 450. 



FIG. 451. 



FlO. 152 



FlGS. 447-452. 147, DORSAL VIEW OF THE RADIAL PENTAGON OF A SPECIMEN OF COMATELLA NIGRA FROM THE PHILIPPINE ISLANDS. 



44S, DORSAL VIEW OF THE RADIAL PENTAGON OF A SPECIMEN OF COMATELLA STELLIGERA (AFTER P. II. CARPENTER). 449, 

 DORSAL VIEW OF THE RADIAL PENTAGON OF A SPECIMEN OF COMATELLA MACVLATA FROM QUEENSLAND (AFTER T. II. CAR- 

 PENTER). 450, DORSAL VIEW OF THE RADIAL PENTAGON OF A SPECIMEN OF NEOCOMATELLA ALATA FROM CUBA. 451, DORSAL 

 VIEW OF THE RADIAL PENTAGON OF A SPECIMEN OF NEMASTER INSOUTU3 FROM THE Ll'--I.P. ANTILLES. !.">-', DORSAL VIEW 

 OF THE RADIAL PENTAGON OF A SPECIMEN OF LEPTONEUASTEK VENUSTUS FROM THE WEST COAST OF FLORIDA. 



