CHRONOLOGICAL 47 



Date of 

 Plate. Vol. issue, 



a. — rotator. 



Diplosellites rotarius, nov. G.-t 571 V vi, 25. 



Keynshamites keelingi, Tutcher sp., nov. G.-t. .. 653a, b. VI viii, 26. 



3. Vermiceratan. 



c. — scylla. 



b. — brevidorsale. 



a. — longidomus. 



2. Schlotheimian [Caloceratan pars]. 



g. — acuticosta. 

 Scamnoceras acuticosta, Strickland- J. Buckman sp. 



1844 551 V iv, 25. 



/. — marmorea [angulata]. 



Schlotheimia princeps, nov 395 IV vi, 23. 



redcarensis, Young & Bird sp. 1822 608 VI xii, 25. 



e. — phcenix. 



d. — gallica. 



c. — prometheus. 



b. — laqueus [megastoma]. 



Caloceras belcheri, Simpson sp. 1843 17 I iii, 10. 



convolutum, Simpson sp. 1855 .... 18 I iii, 10. 



Macrogrammites antiquata, Simpson sp. 1855.. .. [718a, b. VII vi,27.] 



718a*, b*. VII ii, 28. 



grammicus, nov. G.-t 761a, b. VII ii, 28. 



a. — hagenowi. 



1. Psiloceratan [Caloceratan pars] . 



g. — portlocki. 



, /. — johnstoni. 



Caloceras pirondii, Reynes sp. 1879 304 IV v, 22. 



Franziceras ruidum, nov. G.-t 423 V x, 23. 



e. — plicatus. 



d. — psilonotus. 



c. — erugatum. 

 Psiloceras erugatum, Bean-Phillips sp. 1829 .. .. 223 III v, 21. 



b. — ezquabile. 

 Psiloceras sequabile, nov 390 IV iv, 23. 



a. — planorbis. 



