CEPHALOPODA FROM THE HOKKAIDO. 9 



tribution, being recorded from the Vancouver Island/^ South 

 India^' and Madagascar;'^' to which list France shoukl also be added, 

 as Gaudnjceras Colloti Grossouvre of that country has been proved 

 to be identical with the above species/' According to Yokoyama^' 

 the specimen from the Hokkaido, which had been considered by 

 E. ISTaumann as a new species allied to P. indra, is too 

 fragmentary for exact determination. Similar specimens are not 

 contained in the writer's collection so that, much to his regret, 

 he finds himself unable to decide whether Naumann's determina- 

 tion is correct or not. 



LYTOCERAS Suess. 

 LYTOCERAS EZOËNSE m. 



PI. I. Fig. 1 ; PI. V. Fig. 1. 



The writer examined two specimens of this species ; the one 

 which is here figured, is nearly perfect, with a partly preserved 

 shell and showing only a single suture line. 



1) J. F. Whiteaves: Mesozoic Fossils. Vol. I. pt. 2. 1879. p. 105. 



2) F. Stoliczka : Tlie Fossil Cephalopoda of the Cretaceous Rocks of Soiithein India. 

 Pal. Indica. Vol. I. p. 112.— Fr. Kossmat : 1. c. p. 41 (137). 



3) M. M. Boule: Note sur de nouveaux fossiles secondaires de Madagascar. Bull. 

 du Mus. d'hist. nat. 1899. 



4) A. de Grossouvre : Sur la genre Neoptychites. Bull. Soc. géol. France. Ser. III. 

 Tome 24. 



5) M. Yokoyama: 1. c. p. 175. 



