39 



Iphidea, Billiugs. Arthropomataf. 18?'4. 



Pal. Fos. Canada, ii, pt. i, (Aug.) p. 76, f. 44. Type I. bella, Billings, 1, c. 

 (Sil.) Interior unknown. 



Allocated to Kutorgina and Acrotreta by Billings ; but the 

 figure resembles a small valve of Klitamhonites anomala 

 {Orthisiaa anomala^ Dav. 1856, f. 21), Sclilotbeim. 



Isiflia, Rafinesque. Arthropomata. ISSfi, 



Mou. Biv. Shells Ohio, p. 7. Sect. Terebrariorum cont. TerebratuJa, 

 Spinifer, Gonotrema, Amblotrerna. 



Ii^aneaaia, King. Terebratulidce. 18*5<J). 



Perm. Foss. pp. 81, 142 (not p. 245). Type TerehratulUcs pectuncidas, 

 Schlotbeiai, Quenst. Handb. Petr. p. 466, pi. 37, f. 2.3-25. Ibid. Gray, 

 B. M. Cat. p. 104. ( =i Megerlia.) 



Isaiieaiflaj King (2). Terehratulidcv. 181^0. 



Perm. Foss. p. 245, (not pp. 81, 142). Type TcrehratuUtespectnnculoidefi, 

 Scblotbeim, Quenst. Haudb. Petr. p. 464, pi. 37, f. 15-18. (Not of Gray 

 nor of King, p. 142.) (=: Tcrchratclla, D'Orb.) 



IsBBBeisia, Dall. Terebratulidce. 1871. 



Am. Jouru. Couch, vii, p. 6. Subg. Megerlia, King. Type Tcrchratida 

 sanguiriea, Sow. Tbes. Concbyl. i, p. 357, pi. 71, f. 71-73. {^^Ismenia, 

 Gray ; King, p. 142 ; -}- Frenula, Dall.) 



IsorSiysacDaias, Kiug. Poranihonitida: 1850. 



Perm. Foss. p. 112. Type Terebratiditcs ccquirostris, Scbl. Verneiiil, 

 Geol. Rus. ii, pi. iii, f. i. Cf. Dav. 1853, p. 99, t. vii, f. 120-126. (= Por- 

 ambonites, Pand.) 



Keyserliii^la, Pander. Oholidcef 1861. 



Bull. Imp. Acad. Sci. St. Petersburg, iii, p. 46, pi. ii, f. 1 a-g. Type 

 0>7;icKZa ?-ercrsa,Verneuil, Pander, 1. c. Not seen. (Cf. Obolella.) 



Kmg-ejaa, Davidson. Terebratulidce. 185S. 



Mon. Brit. Cret. Bracb. p. 42, t. iv, f. 15-28, t. v, f. 1-4. Type Tere- 

 hratida lima, Defrance, Diet. Sci. Nat. liii, p. 156, 1828. Davidson, 1. c. 

 subg. TcrebrateUa. 



K5ataBml50Eaate§, Pander. Stropliomenidce. 1830. 



Beitr. Geogn. Russ. Reiches,p. 70, t. iii, f. 14, t. xxviii, f. 16, 17. First sp. 

 Pronitcs aducendeiis, Pander, p. 72, pi. xvii, f. 6, Dav. 1856, pi. xi, f. 24, 26 

 (+ P. alta, P. 1. c. f. 5, =var. praec. teste Murcbison; Cbenu, Man. ii, p. 

 223, f. 1147, 1862). Sil. 



(Syn. Pronites, Pander, not llliger; Gonambonites, Pander, Orihisina, 

 D'Orb.) 



Genus fully described and all the species divided between 

 the subgenera Pronites and Hemipronites {q. v.). The 

 figures cited are given as generic merely. The first sp. of 

 Pronites {adscendens, P.) must be taken as the type of the 

 genus, especially as Pronites is preoccupied by llliger for a 



