26 



BULLETIjS' 82, UNITED STATES NATIONAL MUSEUM. 



Has. 39-50.— Radial Pextagoxs of various Comatumds. :«>. Amphimetra ensifer, lateral view of 



RADIALS AND CENTRODORSAL. 40. SAME, VENTRAL VIEW OP RADIAL PE.XTAGON. 41. HiMEROMETRA MAR- 

 TENSI, LATERAL VIEW OF RADIALS AND CENTRODORSAL. 42. SAME, VENTRAL VIEW OP R.iDIAL PENTAGON 

 4.5. CRASPEDO.METRA ACUTICIRRA, LATERAL VIEW OF RADIALS AND CENTRADORSAL. 44. SAME, VENTR VL VIEW 

 OP RADIAL PENTAGON. 45. HETEROMETRA BEY.XAIDII, LATERAL VIEW OF RADIALS AND CENTUADORSU. 46 

 SAME VENTRAL VIEW OF RADIAL PENT.VGON. 47. MARIAMETRA SLBCARINATA, LATERAL VIEW OF RADIALS 

 AND CENTRODORSAL. 48. SAME. VENTRAL VIEW OF RADIAL PENTAGON. 4i>. LaMPROMETR^ PKOTECTtS 

 L.-iTERAL VIEW OF RADIALS AND CENTRODORSAL. 50. SAME. VENTRAL VIEW OF RADIAL PENTA(!.)X 



