tick, 86 
ECH1N0DEKMATA. 
t H. bellevillensis, n. sp., Billings, (3) pp. 49 & 50, 3 figs., Trenton 
Limestone, Ontario. 
Jlolopocrinidai : definition, extent, and distribution of the family ; 
Jaekel, (2) pp. 565-572 : relation of the genera to one another ; id. 
pp. 659-661. 
IIolopu8 } d’Orb. : definition and distribution of genus ; Jaekel, (2) 
pp. 612-619, figs. 13 & 14 in the text, f If. spileccensis, for Cyathidium 
spileccense , Schiil. ; id. 1. c. fig. 14, Lower Tertiary of N. Italy. 
■\ Hydreionocrinus pentagonus, n. sp., Miller & Gurley, p. 17, pi. ii, 
figs. 6 & 7, Upper Coal Measures, Kansas City. 
f Ichthyocrinus conoideus , n. sp., Ringueberg, p. 305, pi. iii, fig. 5, 
Lower Niagara Limestone, Lockport, N. Y. 
iLecanocriuus macropetalus , Hall, from Lower Niagara Limestone, 
Lockport, N. Y. ; Ringueberg. 
iL. t.ennesseensis , n. sp., Miller, (3) p. 41, pi. vii, fig. 7, Lower Silurian, 
Tennessee. 
t Mariacrinus aureatus , p. 34, pi. vi, fig. 36, granulosus, p. 35, pi. vi, 
fig, 35, Lower Silurian, Indiana, Miller (3), n. spp. 
t Mesocrinus fischeri , Gein., Cretaceous, N. Bohemia ; Jahn, p. 
481. 
f Millericrinus echinatus, v. sub. f M. escheri, de Lor. t M. escheri, de 
Lor., Upper Callovian and Lusitanian, Portugal; de Loriol, (3) pp. 139 
& 140, pi. xxvi, figs. 1-4: synonyms, +M. milleri , Goldf., -fM. subechi- 
natus , d’Orb., +1/. echinatus , d’Orb., t M. tuberculatus , d’Orb., iApiocrinus 
mullipunctatus, Quenst. fil/. granulosus , Etallon, pp. 135 & 136, pi. xxiv, 
fig. 9, Upper Callovian, Portugal, horridus , d’Orb., pp. 138 & 139, pi. xxv, 
figs. 7-9, Callovian and Lusitanian, Portugal : synonyms, f M. echinatus , 
de Lor., and filf. calcar , de Lor.; t M. mespiliformis, d’Orb., pp. 141-143, 
pi. xxv, figs. 13-17, Lusitanian, Portugal : syuonym, P ? Pomatocrinus 
jaegeri , Koenig ; filL milleri (Sehlotheim), d’Orb., pp. 140 & 141, pi. xxv, 
figs. 10-12, Lusitanian, Portugal : de Loriol (3). f M. milleri , Goldf., 
v. sub. fill, escheri , de Lor. f M. rotiformis , d’Orb., Upper Callovian, 
Portugal ; id. (3), p. 137, pi. xxv, figs. 2 & 3. t M. subechinatus, d’Orb., 
v. sub. -\M. escheri , de Lor. flf. tuberculatus , d’Orb., v. sub. \M. escheri , 
de Lor. 
t ; M. algarbiensis, p. 138, pi. xxv, figs. 4-6, Lusitanian, Algarve, 
Portugal, cesaredensis , p. 156, pi. xxv, fig. 1, Upper Callovian, Portugal, 
lusitanicus , Lusitanian, Portugal, pp. 144 & 145, pi. xxvi, figs. 5-11, de 
Loriol (3) ; M. polyclonos, Felix, pp. 172-174, taf. xxvii, figs. 21-28, 
33-39, & 43-46, from Upper Jura of Oaxaca, Mexico : n. spp. 
J Missouricrinus, n. g., for \M. admonitus, n. sp., Miller, (1) pp. 31 & 32, 
pi. iv, figs. 11 & 12, Lower Carboniferous, Missouri. 
f Myelodactylus gorbyi, n. sp., Miller, (3) pp. 72 & 73, pi. xi, figs. 7 & 8, 
Lower Silurian, Tennessee. 
■f ; Onychocrinus cantonensis , p. 41, pi. vii, fig. 9 ; O. ulrichi , Keokuk 
Group, Indiana, Miller & Gurley, pp. 17 & 18, pi. iii, figs. 2 & 3 : 
n. spp. 
