14 ART. 2. H. YABE : CRETACEOUS 



Heteroceras, while Fritsch and others bring it under Helicoceras. 

 Recently, however, Hyatt^' raised it to the type of his genus 

 Hyph aniocerru. 



T. Remsianus occurs in the Reuss Ian us -zone of England 

 and Northwestern Germany, in the zone of J^Jpiasicr brevis of 

 France, in the Pläner Kalk of 8axony and the Priesen beds of 

 Bohemia. 



The species is named in honour of Dr. R. Oshima of the 

 Hokkaido Colliery Railway Company in recognition of his courtesy 

 oiïered to the writer and his kind interest taken in this palaeon- 

 toloa;ical stud v. 



Localities : — The larger specimen was obtained in situ near 

 the confluence of the Yoshiashizawa with the Ikushumbets, and 

 the smaller one in the upper course of the Shi-kuruki, a tributary 

 of the Yübarigawa. 



Horizon : — ScophUes- beds. 



HETEROCERAS (0 OTSÜKAI m. 

 PL IV., figs. 1-2., ph VL, lig. 7. 



1894. Ti/rrilUes sp. Jimbö : Beiträge z. Kennt, d. Fauna d. 



Kreidef. Hokkaido, p. 41, pi. I. (XVII.), ligs. 8, 8a. 

 Shell turreted, volutions free, sometimes sinistral and some- 

 times dextral ; the anterior ones making occasionally a narrower 



V. 47, ].l. Xrrr, % lO?; pi. XIV., %s. 14-19 C/H-IS); pi. XVI., fig. 9?— a. Fritsch: 

 Stinlieii ini (.rebiete tier l)oliiii. Kreidef. IV. Die Iberscliiclileii, p. 92, tig. 44. V. Prieseiier 

 Sc'liiclUen, p. 79, fig. 02. — II. Wood: The Mollusca of the Chalk Rock. Pt. 1. Quart. Jonr. 

 Gcol. Soc. London. Vol. LIT. 189(>. P. 74, pi. II., figs. 3-5. 



1) Hyatt: Cephalopoda in Zittel's Text Book of Palaeontology, translated by East- 

 man. IS'J'J. V. o76. 



