168 JACKSON AND JAGGAR STUDIES OF MELONITES MULTIPORUS. 



Melonites multiporus. 



Museum of Comparative Zoology 

 catalogue number a023. 



Interambulacrum A*. 



Ambulacrum B 



Interambulacrum Cf. 



if 05 

 O P 









£ 





>. 



o 











CS 









^ 



0) 



a 



o 





(U 





1 



> 



CO 



-2 



0^- 









c 



c 



c« 





£ 



Tc 







o 



<D 



;_, 



o 



J"' 



O 



9 



P 



21 



8 



P 



17 



7 



P 



13 



6 . 



P 



9 



5 



P 



G 



4 



P 



3 



O t, 



s 



Heptagon on left or right 

 of terminal pentagon. 



Right. 



Right. 



Right. 



Left. 



Right. 



First two rows of plates wanting. 



Four columns of plates at base. 



8 



P 



18 



S 



& 



7 



P 



13 



3 



3 



6 



P 



10 



3 



2 



5 



P 



7 



2 



2 



4 



V 



3 



2 



1 



Riqht. 

 Right. 

 Left. 

 Right. 



First two rows of plates wanting. 



Melonites multiporus. 



Yale University Museum diamond 

 number 2290. 



Interambulacrum A * 



9 



P 



20 



4 



4 



8 



P 



16 



4 



3 



7 



P 



13 



3 



3 



6 

 5 











P 



8 



'2 



2 



4 



P 



3 



2 



1 



3 



X 



2 



1 



1 



Right. 



Left. 



Left. I 



Broken ; indistinct. 



Right. 



Truncates initial plate 3. 



First row of plates wanting. 



Ambulacrum B 



Interambulacrum C*. 



Four columns of plates at base. 



9 



P 



22 



4 



4 



8 



P 



18 



4 



3 



7 



P 



14 



3 



3 



6 



P 



11 



3 



2 



o 



P 



8? 



2 



2 



Right. 



Left. 



Right. 



Left. 



Left, 



First five rows of plates wanting. 



Ambulacrum D. 



Four columns of plates at base. 



Mel-onHes mnltiporus. 



Museum of Corhpararive Zoology 

 catalogue number 30<^7. 



Interambulacrum A t 



Ambulacrum B 



Interambulacrum Cf. 



Ambulacrum D. 



7 



P 



14 



3 



3 



6 



P 



11 



3 



2 



5 



P 



8 



2 



2 



4 



P 



3 



2 



1 



3 



X 



2 



1 



1 



Right. 



Left. 



Right. 



Truncates initial. plate 3. 



First row of plates wanting. 



Four columns of plates at base. 



8 



P 



19 



3 



U 



7 



P 



14 



3 



3 



6 



P 



11 



2 



3 



5 



P 



8 



2 



2 



4 



P 



3 



2 



1 



Left. 



Right. 



Riqht. 



Right. 



Truncates initial plate 3. 



First two rows of plates wanting. 



Four columns of plates at base. 



* Interambulacrum complete at the dorsal portion of the area. 



t Interambulacrum wanting at the dorsal portion of the area. 



X But in second rather than adjacent column, as in heptagon next pentagon 8 of plate 2, figure 7. 



