178 Trans. Acad. Sci. of St. Louis 
Saccoblastus meekianus (ETHERIDGE and CARPENTER), HAMBACH. 
1903, Transactions, St. Louis Academy of Science, vol. 13, p. 44. 
Saccoblastus obliquatus (RoEMER), HAMBACH. 
1903, a5 wee St. Louis Academy of Science, vol. 13, p. 43, 
pl. 4. 
ney woodmani (MEEK and WorTHEN), HAMBACH. 
1903, eewes St. Louis Academy of Science, vol. 13, p. 43, 
pl. 4. 
TE SS wortheni (HALL), HamBacu. 
1903, Transactions, St. Louis Academy of Science, vol. 13, p. 43, 
pl. 4, fig. 5. 
Saccoblastus ventricosus HAMBACH. 
1903, Transactions, St. Louis Academy of Science, vol. 13, pp. 
60-61, pl. 4, fig. 7 
Warsaw lifaseloue: Boonville, Missouri. 
SCHIZOBLASTUS 
Schizoblastus haynesi CLarK. 
gi Nene eer Aicobe vuabyatts Zoology, vol. 61, p. 371, 
9, pil 15-20 
Ma dison limestone old Baldy and Squaw Creek, near Vir- 
ginia City, Mont 
Schizoblastus lotoblastus (WHITE), CLARK. 
1917, Bulletin, Museum of Comparative Zoology, vol. 61, No. 9, 
p- 373 (mentioned, not figured). 
Schizoblastus melonoides MEEK and WorTHEN, ETHERIDGE and 
CARPENTER. 
1886, Catalogue of the Blastoidea, p. 226, pl. 6, figs. 15, 16. 
Upper Burlington limestone; Burlington, Iowa. 
Schizoblastus melonoides (MEEK and WorTHEN), KEYEs. 
1894, Missouri Geological Survey, Paleontology, vol. 4, p. 138 
(not figured). 
Upper Burlington limestone; Louisiana, Missouri; Hannibal, 
Missouri. 
Sechizoblastus? roemeri (SHUMARD), KEYEs. 
1894, Missouri Geological Survey, Paleontology, vol. 4, p. 137 
(not figured). 
Chouteau limestone; Sedalia, Providence, Missouri. 
