48 
CATALOGUE OF ECHINIDA. 
Spatangus Reginse, Gray, Ann. & Mag. N. H. 1851. 
Hab. Malta. 
a, b. Malta. Presented by Miss Emilie Attersol. 
This species is very like S. purpureus of our coast in size and 
appearance ; but the back is higher and more convex, and 
there are not half the number of dorsal tubercles. It was 
collected at Malta by Miss Attersol, who formed one of the 
suite to Queen Adelaide during her Majesty’s visit to that 
island. 
** Ambvlacra narrow and elongated ; plastron smooth , without 
spines. Maretia. 
5. Spatangus planulatus. 
Flat ; large tubercles numerous, regularly scattered, extended 
to the ends ; the plastron smooth, as if worn ; mouth crescent- 
like. 
Spatangus planulatus ; Lamk. Hist iii. 327 ; Deslong. Ency. 
Meth. ii. 687 ; Desmoul. Echin. 378 ; Agassiz Desor , 1. c. 7. 
Brissus planulatus, Agassiz , Prod. 184. 
Hab. South Sea, Peron. Java, Quoy. 
a , b. Large, rather elongate, produced behind, without 
spines. Isle of Masbate. 
c. Broad, expanded on the sides. 
d , e,f. With spines. Borneo. Presented by the Admi- 
ralty. 
b. Ambulacra sunken , short , definite; internal fasciole none. 
5 . Kleinia. 
Shell ovate, elongate, ventricose, subcordate ; vertex sub- 
central; centre of back with rather larger perforated tubercles ; 
lateral ambulacra sunken, ovate, linear, confluent near the 
vextex, where the inner series of twin pores are nearly oblite- 
rated; the anterior pair diverging; the hinder pair nearly 
parallel, diverging at the end ; the anterior odd one in a rather 
deep groove, with only rudimentary pores ; all surrounded by 
a broad, rather sinuous, peripetalous fasciole ; subanal fasciole 
surrounding the oblong subanal plate, which is covered with 
radiating series of tubercles, and transversely divided in half 
by a subcentral fasciole ; ovarial pores four, hinder largest ; 
mouth anterior ; vent on the upper part of the high hinder 
