CATALOGUE OF ECHINIDA. 
47 
Spatangus, Klein ; Agassiz & Desor, Ann. Sc. Nat. 1847 ; Gray, 
Ann. Phil. x. 1825, 8 ; Agassiz , Ann. Nat. Hist. i. 301 (1838); 
Lamk. Syst. 348, 1801. 
Spatangus b, Fleming , Brit. An. 481. 
Spatangus <?*, Blainv. Diet. Sc. Nat. lx. 185. 
Echinospatagus, Breyn. 
* Amhulacral petals broad, plastron covered with spines and 
tubercles. Spatangus. 
Spatangus, premier type, Agassiz <Sc Desor, 1. c. 6, viii. 6. 
1. Spatangus purpureus. 
Depressed, blunt behind ; interambulacral tubercles nu- 
merous. 
Spatangus purpureus, Muller, Prod. ii. 2850, Zool. Dan. t. 6 ; 
Leske, Klein, 235, t. 43, figs. 3, 5, cop. E. M. t. 157, figs. 1, 4; 
Lamk. H. iii. 29, edit. 2, iii. 324; Flem. Brit. A nim. 489 ; 
Gray , Ann. Phil. x. 1825, 8 ; Blainv. M. Act. 202, t. 14, 
figs. 1, 2, 3 ; Forbes, Brit. Star f. 182, figs. 182, 186 ; Duben 
& Koren , Zool. Bidrag. 285, 47 ; Agassiz & Desor, Ann. Sc. 
Nat. 1847, 6 ; Blainv. Diet. Sc. Nat. lx. 184 ; Philippi, 
Erichen. Arch. 1845, 350. 
Hab. European Seas. 
a, b. Adult. Coast of England. 
c. Half-grown. Irish Sea. Presented by E. Forbes, Esq. 
2 Spatangus spinosissimus. 
Depressed ; dorsal tubercles very numerous. 
Spatangus spinosissimus, Agassiz S; Desor, Ann. Sci. Nat. viii. 
1847, 6. 
Hab. European seas. 
3. Spatangus meridionalis. 
Swollen ; hinder interambulacral area keeled. 
Spatangus meridionalis, Risso Eur. Mered. v. 280 ; Ginnani Adr. 
li. t. 29, f. 174 ; Agassiz & Desor , 1. c. 1847, 6. 
Soatangus siculus, Agassiz <L Desor , 1. c. viii. subfossil ; Pash, 
Org. Rem. iii. t. 3, f. 9. 
Hab. Mediterranean. Red Sea. Mus. Paris. 
4. Spatangus Regina;. 
Large, rather ventricose ; back convex ; larger dorsal tuber- 
cles few, far apart, scattered ; ambulacral petal broad. 
