CESTRACIONTIDJE. 
237 
(1848), p. 131 : J. W. Davis, Trans. Hoy. Dublin Soc. 
[2] vol. i. (1883), p. 394, pi. 1. fig. 11.—Lower Carboni¬ 
ferous Limestone ; Armagh, Ireland. 
Orodus dcedcileus , St. John & Worthen, op. cit. vol. vi. p. 301, 
pi. vi. figs. 7, 8.—Kinderhook Limestone; Iowa. 
Orodus decussatus , St. John & Worthen, op. cit. vol. vi. p. 300, 
pi. vi. figs. 10-15,—Kinderhook Limestone: Iowa. 
Orodus elegans , H. Bomanowsky, Bull. Soc. Imp. Nat. Moscou, 
1864, pt. ii. p. 157, pi. iii. fig. 1 : (?) 0. ramosus, H. Bo- 
manowsky (non Agassiz), ibid. p. 158, pi. iii. fig. 2.— 
Carboniferous Limestone; Government of Toula, Ilussia. 
Orodus excentncus , H. Trautsckold, Nouv. Mem. Soc. Imp. Nat. 
Moscou, vol. xiii. (1874), p. 268, pi. xxvi. fig. 6.—Car¬ 
boniferous Limestone ; Government of Toula, Ilussia. 
Orodus fastigiatus, St. John & Worthen, op. cit. vol. vi. p. 306, 
pi. vi. figs. 1-3.—Upper Burlington Limestone ; Iowa. 
Orodus incequilaterus , H. Trautschold, loc. cit. vol. xiii. (1874), 
p. 292, pi. xxviii. fig. 8.—Carboniferous Limestone; 
Government of Moscow, Ilussia. 
Orodus major , St. John & Worthen, op. cit. vol. vi. p. 302, pi. 
vii. fig. 10.—Lower Burlington Limestone ; Iowa. 
Orodus rninusculus , Newberry & Worthen, Pal. Illinois, vol. ii. 
(1866), p. 67, pi. iv. fig. 1J.—Keokuk Limestone; 
Illinois. 
Orodus minutus , Newberry & Worthen, op. cit. vol. ii. p. 68, 
pi. iv. fig. 12.—Keokuk Limestone; Illinois. 
Orodus (?) multicarinatus , Newberry & Worthen, op. cit. vol. ii. 
p. 62, pi. iv. fig. 13.—Kinderhook Beds ; Indiana. 
Orodus ncglectus, St. John & Worthen, op. cit. vol. vi. p. 308, 
pi. vi. fig. 26.—St. Louis Limestone; Illinois and Iow r a. 
Orodus ( j)parallelus , St. John & Worthen, op. cit. vol. vi. p. 295, 
pi. v. fig. 23.—Upper Kinderhook Limestone ; Iowa. 
Orodus parvulus, St. John & Worthen, op. cit. vol. vi. p. 309, 
pi. vi. fig. 6.—Upper St. Louis Limestone; Illinois. 
Orodus plicatus, Newberry & Worthen, op. cit. vol. ii. p. 63, pi. iv. 
fig. 5.—St. Louis Limestone ; Missouri. 
Orodus porosus , U. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii. 
(1848), p. 131 ; J. W r . Davis, Trans. Boy. Dublin Soc. 
[2] vol. i. p. 393, pi. 1. fig. 10.—Lower Carboniferous 
Limestone ; Armagh, Ireland. 
Orodus reecli, J. W. Davis, Trans. Boy. Dublin Soc. [2] vol. i. 
(1883), p. 398, pi. Ii. fig. 13.—Carboniferous Limestone; 
Settle, Yorkshire. 
