PLATE ARRANGEMENT OF SPI^XIMEN 3010. 



165 



Tables of Plate Arrangement. 



Melonites muUiporus. 



Museum of Comparative Zoology 

 catalogue number 3016. 



Interambulacrum A*. 



Ambulacrum B .... 

 Interambulacrum 



C*. 



Ambulacrum D .... 

 Interambulacrum 



E*. 



Ambulacrum F .... 

 Interambulacrum 



Gf. 



Ambulacrum H.... 

 Interambulacrum 



I*. 



Ambulacrum J. 



s 



O 4) 







a 



-k^ 



^ 





>i 



« 



c; 





H 



p 

 ^ 



o 



O 













u 



a 



o 



iS 



f-" 



a> 



(U 



01 . 



bC . 



^ 



> 



. 



— c 



•r fl 



s 











m 



•S aj 



fl bC 



c &c 



3 

 £3 







«1 o 





fl 



pq 



cS 



fl 



;:5 



2 



s 



a 



s 



s 



^ 



ifl 



^ 



^ 













o 





;-( 



o 



O 



o 



H 



o 



o 



o 



8 



P 



16 



4 



3 



7 



P 



12 



;} 



3 



6 



P 



9 



9. 



3 



5 



P 



5 



2 



2 



4 



P 



;^ 



2 



1 



3 



X 



2 



1 



1 



Heptagon on left or right 

 of terminal pentagon. 



Left. 



Left. 



Indistinct. 



Indistinct. 



Truncates initial plate 3. 



First row of plates wanting. 



Four columns of plates at base. 



8 



p 



17 



4 



3 



7 



p 



13 



■} 



3 



6 



p 



9 



3 



2 



5 



p 



5 



2 



2 



4 



p 



3 



2 



1 



o 



X 



2 



1 



1 



Left. 



Riglit. 



Left. 



Right. 



Truncates initial plate 3. 



First row of plates wanting. 



Four columns of plates at base. 



9 



8 



7 



P 

 y> 





4 



4 





13 



3 



3 







p 



10 



3 



2 



5 



p 



6 



2 



2 



4 



p 



3 



2 



1 



3 



X 



2 



1 



1 



Right. 



Right. 



Left. 



Right. 



Truncates initial plate 



First row of plates wanting. 



Four columns of plates at base. 



9 



P 



23 



4 



4 



8 



P 



16 



4 



3 



7 



X 









6 



P 



9 



•', 



2 



5 



p 



6 



2 



2 



4 



p 



3 



2 



1 



3 



X 



2 



1 



1 



Left. 

 Right. 



Left. 



Truncates initial plate 3. 



First row of plates wanting. 



Four columns of plates at base. 



9 

 8 



P 





5 



5 





7 



p 



12 



3 



3 



6 



p 



9 



;i 



2 



5 



p 



G 



2 



2 



4 



p 



3 



I 



^ 



3 



X 



2 



1 



1 



Le/«. 



Right(?)g 



Left. 



Right. 



Truncates initial plate 3. 



First row of plates wanting. 



Four columns of plates at base. 



* Interambulacrum wanting at the dorsal portion of the area, 

 t Interambulacrum complete at the dorsal portion of the area. 

 X Wanting at this portion of the area. 



I Plate on the left of pentagon 7 is hexagonal ; on the right the plates are broken away so that 

 Riigles cannot be determined. 



