i OB >< HLOTHEIM1 \N BRANCH, 136 



Schlothciuiia rotunda, Hi 



A mm laew. I 



- shell is mora discoidal than any others described below. The whorl - 

 stouter as a rale. The pile on the umbilical shoulders ara coarser and are 



tuberculated accordii nstedt's figures and descriptions. Amm. Ian 



QuensL, 1 may be the young of this or an allied bo far as 



now known nnl\ in South Germany. 



Schlotheimia lacunata, Htj 



. . p. 105, pi 



I I 



Amm ; 120, pi. \^ 



Amm 



\ \l \ pi xv iii fig. 18. 

 Amm ■ , Caxavabi, F« i del Liu, M di i' lt:ih.i. II I 



/ - :n'ir. 



The pilaB are not tuberculated at the umbilical Bhouldera. The 



whorl i- also more compressed and the involution greater than in Schlol. i 



oul two thirds <>f the side. The young according t<> the figures given 

 are also do) Bmootli t<> bo late a that species. The description of the 



originals in <h«' Geologj of Cheltenham in a measure makes up for the figures. 



The latter belong t<> a discoidal s| ies, the former gives the usual combination 



of an involute Bhell, narrow abdomen, flattened Bides, and half-concealed whorla 

 An important statement is also added, that the " ribs " cross the abdomen in the 



I in' latter indicates the | ibilit) of a direct derivation of the Becond 



aubseries from 5 . and also serves to confirm the identification of 



- s\i:li tlii-. since \\ right mentions the same characteristics. 



Schlotheimia Goyori, Hyatt. 



Thi- species has fine but -par-fly distributed j>i 1:>- at th«' umbilical shoulders 

 which speedih divide into two or mora liner pile. The abruptness of the divis- 

 • • umbilical pi| i those of > Q ' - 



-. but there are no tubercles, and the involution • it four fifths of 



!<•. and the wh roaiderably compressed. 



Schlotheimia angoatisalomta, G 



Tli' finer, the whorls moi the involution quite 



- in the pi The sutures which are figured in this tbey 



of the 

 similar involute form 



i 



