ECHIN01DEA. 
Ech. 63 
cinctus , Morton, synonymous with Ananchyles fimbriatus , Morton, Cre- 
taceous, New Jersey ; Clark, p. 77. II. simplex , Shumard, synonymous 
with II. comanchesi , Mascon, Cretaceous, Texas; p. 77. .77. sp.? 
from Lower Turonian of Dracy ; Gauthier, pp. 93-96, pi. ii, figs. 
10 & 11. 
t ; Ilolectypns choffciii, de Lor., Lusitanian, Portugal ; de Loriol, (3) 
pp. Ill & 112, pi. xx, figs. 1 & 2 [n. sp. ?]. H. corallinus , d’Orb., ib . ; id. 
(3) pp. 112 & 113, pi. xix, fig. 4. II. depressus (Leske), Desor, Callovian, 
Portugal; id. (3) pp. 110 & 111, pi. xix, fig. 3. 77. planctus , Roemer, 
Cretaceous, Texas ; Clark, p. 7G. 
Ilomolampas < flauca , n. sp., Wood-Mason & Alcocjk, (2) p. 441, pi. xvii, 
from 1644 faths. 
Hypo spatang us, Pomel : definition of genus ; Cotteau, (1) p. 13. 
j* ; 77. lucentinus , Cott., Eocene of Callosa, Alicante; id. (l)pp. 13 & 14, 
pi. ii, figs. 1-3. II. menglinii , Desor, Oligocene, Monte Pulgo ; de 
Loriol, (2) pp. 17-20, pi. i, fig. 2. 
Ilarionia , Dames : definition of genus ; Cotteau, (1) p. 53. 
|7. damcsi , Bittner, Eocene of Alfaz, Alicante ; id. (1) pp. 53 & 54, 
pi. vi, figs. 10-15. 
\Jeronia pyrenaica , Seunes, Cretaceous, Pyrenees ; Seunes, pp. 29 & 30, 
pi. iii, figs. 1 & 2, and figs. 4 & 5 in the text. 
Lctganidce : definition and affinities of the family, with synopsis of 
genera ; Cotteau, (3) pp. 248-250. 
Laganum , Klein : definition and affinities of the genus ; Cotteau, (3) 
pp. 251 & 252. Tv. decagonalis, Lesson, from Japan ; Ives, (1) p. 214. 
tlv. sorigneti , n. sp., Cotteau, (3) pp. 252-264, figs. 2-8, Eocene of 
France. 
f ; Leiocidaris austj'alice, Dune., Eocene of Australia; Tate, p. 274. L. 
hemigranosus, for Cidaris hemigranosus , Shumard, Cretaceous, Texas ; 
Clark, p. 75. 
t Lenita patellciris, Desor, Eocene, Loire-Inferieure ; Cotteau, (5) 
pp. 148 & 149, pi. viii, figs. 5-9. 
Linthia , Merian : dofmition of genus ; Cotteau, (1) p. 26. 
+ ; L. antiaustralis, Tate, Eocene of Australia; Tate, p. 277. L. 
heberti (Cott.), Dames, Eocene of Callosa, Alicante ; Cotteau, (1) pp. 
26-28. L. macjjhersoni, Cott., Eocene of Callosa and Confrides, Alicante ; 
id. (1) pp. 29 & 30, pi. iii, figs. 14-17. L. vilanovee , Cott., Eocene of 
Callosa, Alicante ; id. (1) pp. 28 & 29, pi. iii, figs. 9-13. 
t ; L. arthonensis , Eocene of: Arthon, Loire-Inferieure, Cotteau, (5) 
pp. 130 & 131, pi. v, figs. 1-5 ; Tv. tumidula , Cretaceous, New Jersey, 
Clark, p. 77 ; L. laubei , Oligocene, Gran Croce di St. Giovanni Ilarione, 
de Loriol, (2) pp. 13-15, pi. ii, fig. 1 : n. spp. 
Lovenia and Sarsellci : remarks on the genera ; Bittner, pp. 140-142. 
■\L.forbesi, Tenison-Woods, Eocene of Australia ; Tate, p. 282. 
Macropneustes ) Ag. : definition of genus ; Cotteau, (1) p. 20. 
Macropneustes and Peripneustes , remarks on ; Bittner, p. 140 : the 
latter genus must be given up, and its species referred to the former. 
