30 
CATALOGUE OP ECHINIDA. 
Echinus inequalis, Gmeiin , S. N. 3191. 
Fibularia inequalis, Blainv. D. S. N. xvi. 512 ; Lamk. Hist. .iii. 
301 ; Deslong. E. M. ii. 390 ; Desmoul. Echin. 236. 
1 Echinus raninus, Gmeiin , 8. N. 3191. 
? Echinus bufonius, Gmeiin, S. N. 3191. 
Echinocyamus ovatus, LesTce ; Van Phelsum, 132-133, t. 1, f. 
16-35. 
Hab. Mediterranean. 
a. g. Without spines. Mediterranean. 
I believe that all these synonyma belong to the same species. 
It may be observed that f. 1-5 of tab. 154, which Lamarck 
refers to F. craniolaris, f. 6-10, which he refers to F. Lathy rus, 
and f. 24-28, which he refers to F. nucleus , appear to be all 
copied from the same sea eggs. 
** Vent oblong, longitudinal. 
2. Fibularia oblonga. 
Shell ovate, elongate, ventricose ; vent oblong, longitudinal 
to the axis of the shell. 
Fibularia oblonga, Gray , Pro. Zool. Soc. 1851. 
Hab. North Australia. 
a, d. Without spines. North Australia. 
*** Vent — ? 
3. Fibularia ovulum. 
Ovoid, size of a pea. 
Fibularia ovulum, Lamk. Hist. iii. 17, ed. 2; Blainv. D. S. N. 
lx. 193 ; Agassiz & Desor, 1. c. 142. 
Echinocyamus ovulum, Gray, Ann. Phil. 1825, 6. 
Hab. —% Mus. Paris. 
4. Fibularia volva. 
Elongate, acuminated at each end. 
Fibularia volva, Agassiz & Desor, 1. c. 142. 
Hab. Red Sea. 
Fam.4. GALERITIDiE. 
Shell thin, elongate, or subcircular, or subconic, covered 
with uniform, very fine bristle-like spines on very close small 
tubercles ; cavity simple ; tubercle of recent species simple, 
of fossil, often perforated and crenulated ; mouth central, 
