ECH1N0IDEA. 
Mch. 61 
(184) p. 240, Parent (209) p. 229. f (7. vilanovce , Cott. ; Cotteau 
( 44) p. 446. f C. vincenti,Gobt.\ op.cit. p. 445. f(7. walcotti . Clark, 
redescribed and now first figured ; Clark (3G) p. 37. 
f C. ( Pseudocidaris ) baltica, Upper Senonian, Seeland and Rugen, founded 
on spines, Sciilueter, Abh. Preuss. geol. Landesanst. Heft 5, p. 16. 
f(7. baussetenais , Upper Hippurite Chalk, near Bausset, Yar ; Cot- 
teau, Mem. Soc. zool. France, iii, p. 545; f G. calif ornicus, Jurassic, 
Taylorsville, California, founded on spines only, Clark, Bull. U. S. 
Gool. Surv. No. 97, p. 36 ; C. curvatispinis, Mauritius, Bell (19) Tr. 
Zool. Soc. London, xiii, p. 303 ; f C.felicicc, Upper Eocene of Biarritz, 
spine only, Cotteau, Mein. Soc. zool. Franco, v, p. 735; fC., n. sp., 
aff. filograna , Dogger, Erzpiatz, Switzerland ; Moesch (192) p. 28. 
f C. gigas , n. sp. (?), name doubtfully given to some plates from 
Maestrichtian in Museum fur Naturkunde, Berlin ; Schlueter, 
AbL. Preuss. geol. Landesanst, Heft 5, p. 142. f(7. grossouvrei , 
Montlaur, Ariege, Cotteau, Pal. franc., Ech. Tert. ii, p. 402 ; 
f C. Jiaatevillensis, Middle Eocene, Hauteville, Manche, op. cit. 
p. 410; f C. lariana , based on G. verticillata , Stopp., non Lam., 
Rhaetic, Poggio Piana, Italy, spines only, Simonelli, Mem. Acc. 
Bologna (5) ii, p. 243; f C. matronensis [ascribed to de Loriol, but 
apparently n. sp.], Middle Eocene, Damery, near l^pernay, Cotteau, 
Pal. franc., Ech. Tert. ii, p. 440. f C. plexa , Aptien, Grandpr6, 
Lambert, Bull. Soc. geol. (3) xx, p. 38; f O. rejaudryi [ascribed to 
Arnaud, but apparently n. sp.], geological horizon not stated, 
Atlas Bocage in Charcnte-Inferieure, spine only, Cotteau, Mem. 
Soc. zool. Franco, v, p.734; f(7. royancnsis , n. sp., name without 
diagnosis for specimens figured by Cotteau, Pal. franc., Terr. Cr6t. 
tab. 1057, Sciilueter, Abh. Preuss. geol. Landesanst. Heft 5, 
p. 110; f C. n. sp., plates only, Neocomian,N. Germany, Schlueter, 
Abh. Preuss. geol. Landesanst. Heft 5, p. 12; f C. taylorensis , Jurassic, 
Taylorsville, California [the name should therefore be C. taylorsvil- 
lensis ], p. 35, f texanus , Washita, formation of the Comanche series, 
Lower Cretaceous, Bexar co., Texas, p. 36, Clark, Bull. U.S. Geol. 
Surv. No. 97 : n. spp. 
f Circopelti8 i Pomel, defined and discussed ; Cotteau (44) p. 508 : 
redescribed ; Cotteau (39) p. 537. 
C. baicherei, Middle Eocene, Montazels and Conques, in Aude, with young 
stages, p. 510, C. bouillei, Eocene, near Biarritz, founded on Gypho- 
soma pellati, Bouille, p. 513, C. garginense, Upper Eocene, near 
Biarritz, p. 515, Cotteau, Pal. franc., Ech. Tert. ii; C. peroni , 
Senonian, Le Castelet, Yar ; Cotteau, Mem. Soc. zool. France, 
iii, p. 537 : n. spp. 
Clypeaster ; Agassiz (3) p. 80. f C. aegyptiacus , Wright; Simonelli 
( 245) p. 223. f C. altus, Lam. ; Cotter (49) p. 235, and (50) p. 259, 
Simonelli (245) p. 224. f(7. crustulum, Mich.; Aguilera (4) 
p. 43. f C. gibbosus, Serres ; Simonelli (245) p. 226. f C. gipps- 
landicus , M’Coy ; Bittner (21) p. 347. f G. humilis , Agass. ; 
1893. [vol. xxx.] b 28 
