Plate 62 



Fig 1 Lethasterias nanimensis chelifera, station 2842, X5. Portion of aetinostomial ting from 

 coelomic side The odontophores have duplicate sockets as in As! 

 1 first ambulacra] plate; M, mouth plates; 0, odontophore. La. Side vie* ol the 

 upper part of first ambulacral ossicle A, showing attachment to mm. ml. plate, M, 

 odontophore removed. 



2. LriAuterto. nanimensis chelifera, station 2842, 10. Skeleton of mou owing 



attachment of numerous pedunculate unguiculate pedicellanae. rwo a lora adam- 

 bulacrals are shown above the mouth plates; and on the right, 3 ambulacra plates; 

 1-3 first ambulacral pores. 2a. Same, station 1796, <10. Side vie* oi mouth plates 

 and 2 adambulacrals, the spines of the other side not indicated i i aetinostomial 

 spines; b, suboral spine; 1, 2, first and set 1 adambulacral spines. 



3. Lethasterias nanimensis na sis, stati,,,, 3464, 5. Side we* oi mouth plates and first 



adambulacral; 6, b, suboral spines of the mouth pair. 



4. OMrts koehlek, station :««.. <5. Portion of aetinostomial ring fr lo .de, 



msntiu* i.'itniiii, .-i.tvi..,. .-- 



one pair of mouth plates under right odontophore dotted. 



223 



