ACTIXOPIEKrGII. 
Elopopsis heckeli, Iteuss. 
I® 67 - A. E. Iteuss, Denkschr. k. Akad. Wiss., ® ath '' 
naturw. Cl. vol, xiii. p. 39, pi. iii. 
18/8. Elopopsis heckeli, A. Fritech, R ept . u. Fische bdhm. Kreidefon® 
P- 41, tag. 61. 1 
lijpe. Head, liojal Bohemian Museum, Prague. 
- species known only by the head and a fragment of the anter® 
abdominal region, the mandible measuring 0-13 in length. 
11 l< " °P erc, ilar apparatus exceeding the maximum depth 
le run , depth of head at occiput not quite equalling the longt 
o the cranium. Dentigerous border of maxilla slightly convex j 
eet increasing in size towards the hinder end of each jatv, a 
considerably expanded at the base. 
Form. 4r Loc. Cenomanian : Prague, Bohemia. 
Aot represented in the Collection. 
Elopopsis crassus (Dixon). 
1850. Osmeroides crassus, F. Dixon, Geol. Sussex, p. 376. 
i»88. Osmeroides crassus, A. S. Woodward, Proe. Geol. Assoc, 
p. 322. 
1895. Elopopsis crassus, A. S. Woodward, Proc. Zool. Soc. 1894, 
pi. xhu. fig. 1. 
vol. 
p, 659* 
Type. Head ; Brighton Museum. 
An imperfectly known large species, the mandible measurin 
about 0-09 in length. Depth of head at occiput at least equally 
ttae length of the cranium. Premaxilla elongate-triangular in sbap' 
bearing a close series of small conical teeth on its oral border an 
Wo much-erdarged, laterally-compressed teeth within; dentigerov 
border of maxilla convex, with a regular series of small stout teetl 
not increasing in size backwards; mandible rapidly tapering 1 
an almost pointed symphysis, with relatively large, widely-sp aC< 
teeth, of which the largest seem to be in front. 
torm. $ Loc. Turonian : S.E. England. 
P. 1169. Imperfect head, with fragments of trunk ; Chalk, Kent. 
Egertmi Coll- 
h Mowing species is known only by an imperfect head much 
resembling E. crassus 
Elopopsis ziegleri, W. von der March, Palmontogr. vol. xv. (1S68). 
x ^- fig s - 2-4. — Cenomanian ; Wessum, neat 
Ahaus, Westpiialia. [Head, etc. : olim Ziegler Coll- 
Ahaus.l 
