CTP. 



no/iMHTMXMTbi rpynnbi Pol. (Euryptychjtes) latissimus Neum. et Uhl 36 



Euryptychites gravesiformis Pavl 37 



Euryptychites globulosus v. Koenen 38 



ToUia gen. nov 38 



Tollia Tolli n. sp 39 



Tollia Tolmatschowi n. sp 41 



Tollia lateloba u. sp 41 



Simbirskites (?) teuuisculptus n. sp 42 



Simbirskites tonsbergensis Weerth 43 



Temnoptychites gen. nov 44 



Temuoptychites sp ■ 44 



PoABi: Cardioceras, Amaltheus, Phylloceras, Cadoceras, Macrocephalites . . • 45 



Cardioceras rpynnw Cordati 45 



Cardioceras cordatum Sow 46 



Cardioceras subcordatum n. sp 48 



Cardioceras caelatiim n. sp 49 



Cardioceras percaelatum n. sp 50 



Cardioceras sparsicosta n. sp 51 



Cardioceras fluctuans u. sp.? 51 



Cardioceras anabarensc n. sp 52 



Cardioceras excavatura Sow 53 



Cardioceras excavatura var. arctica nov 54 



Cardioceras Tolli n. sp 55 



Cardioceras levisculptum n. sp , 56 



Cardioceras jacuticiim n. sp 57 



Cardioceras aff. Rouillieri Nik 58 



Cardioceras cf. kostromeuse Nik 58 



Cardioceras cf. vertebrale Sow 59 



Amaltheus raargaritatus var. comprossa Qu 59 



Amaltheus margaritatus var. laevis Qu 60 



Phylloceras Hebertinum Reynes 60 



Phylloceras sp 61 



Cadoceras Elatmae Nik 61 



Macrocephalites Ischmae Keys. var. arctica Newton et Teall 62 



OGiii,ie BE»ieo;],i>i 62 



