49 



Merlstisaa, Hall. Spiriferidcv. 1 1 



Notice Pal. N. York, vol. iv. Mar. 1867, p. 157, cut. Pal. N. Y. vol. iv, 

 p. 299, cut. Sole ex. M. maria, Hall, 1. c. (Sil.) (f= Meristella, Hall, 1859.) 



]fIesopy§^ia, Quenstedt. Arthropomata. 1 8 7 II . 



Petref. Deutschl. ii, p. 21. Substitute proposed for Apygia, Bronn. 



Me§©freta, Kutorga. Siplionotretidcv? 1848. 



Verb. Kais. Miu. Ges. St. Petersburg f. 1847, p. 271, t. vii, f. 4 a-c. 

 Type Siplwnotreta tentorium, Kut. 1. c. (Sil.) 



Moiioto®Miia, Salter. Oholidce. 186^. 



Mem. Geol. Surv. Great Brit, iii, p. 334. (Sil.) Type M. plumiea, 

 Salter, Siluria, ed. ii, p. 50, Foss. pi. 8, f. 1, 1859. Dav. Mon. Sil. Bracb. 

 pi. iv, f; 20, 27, p. 61. Subgen. Oholella, Bill. 



]IIOM©BMePeSBa, Billings. Trimerellidce. 18 71. 



CaDadiau Nat. new ser. vi, p. 220, Dec. 29, 1871. Type M. ijrisca, Bill. 

 1. c. p. 221. Dav. & King, Quart. Journ. Geol. Soc. Lond. May, 1874, p. 

 156, pi. xvii, f. 5-8. (Sil.) 



JHorrisia, Davidson. Terebratulidce. 185S, 



Ann. Mag. Nat. Hist. May, 1852, p. 371. (Eec.) Type Terebratula 

 anomioides, Scaccbi, in Philippi, Moll. Sicil. ii, p. 69, pi. xviii, f. 9, 1844. 

 (= Plaiidia, Costa.) 



MmscuSws, Quenstedt. Terebratulidce. 1871. 



Petref. Deutscbl. ii, p. 27, 384; Atlas, pi. 48, f. 70-74 ; gen. Epitbyrid. 

 (Cret.) Type Terebratula bipUcata var. acuta, von Bucb, Abbaudl. Ber- 

 liner Akad. 1833, p. 128; Quenst. 1. c. = Museuhis anomius, Scb. Mus. 

 dil. p. 75, 1716. (Non-binomial.) Not Musculus, Klein, Eaf. and otbers. 

 (= Terebratula, Mull.) 



IVotreafiaidia, -Rafinesque. {Incertce sedis.) 1818. 



Am. Montbly Mag. iv, p. 356. Subfamily including Orbicula and an 

 imaginary genus Notrema. 



Mwcleata, Quenstedt. Teretratulidce. 1871. 



Petref. Deutscbl, ii, p. 27, t. 47, f. 93-98. Sect. Epithyridm. Type 

 Terebratula nficleata, Scblotheim, Petref. p. 281j 1820 ; Quenst. 1. c. 

 (= Terebratula, Miiller, senso stricto.) 



Mucleospira, Hall. Spiriferidce. 18«?9. 



12tb Eegent's Eep. (Oct.), p. 23-25. Type N. ventricosa, Hall, 1. c. p. 

 25-6, f. 1-8 ; Pal. N. York, iii, p. 219, 1859. Same type, pi. xiv, f. 1, pi. 

 xxviiib, f. 2-9. (Sil.) 



MmimbhuIws, Waller. Craniidce. 1778. 



Syst. Min. ii, p. 500. Non-binomial. ( = Crania, Eetz.) 



I^HBiaiiltas, Agassiz. Craniidce. 1 846. 



Norn. Zool. fasc. ix, 1846, p. 60. {=Nummulus, Wall.) 



OboHelia, Billings. Obolidce. 1 86 i . 



New sp. L. Sil. Foss. i, pp. 6-7, f. 7 a-d. Type 0. chromatica, Bill. i. c. 

 (December). 

 4 



