LEPTOLEPID,®. 
3 
Lycoptera sinensis, sp. nov. 
[Restoration in text-figure 1.] 
Type. Imperfect fish ; British Museum. 
A species attaining a length of about 0-13. Length of head with 
opercular apparatus slightly less than the maximum depth of the 
trunk and occupying scarcely more than one quarter of the total 
length to the base oi the caudal tin. Vertebrae about 45 in number, 
20 being caudal. Pectoral fins, when adpressed, scarcely reaching 
more than half way to the origin of the pelvic pair ; other fins 
apparently as in the type species. 
Form, fy Lot:. Lower Jurassic (?): Poh-tse, near Layang Nsien, 
Province of Shantung, China. 
P. 7358. Type specimen, collected by H. M. Beohor. Among the 
remains of the head, the small mouth is distinct, bounded 
above both by the prcmaxilla and the long arched maxilla 
Traces of small, bluntly conical teeth are also distinguish- 
able. Indications of a few slender branchiostegal rays 
Pig. 1. 
Lycoptera sinensis ; restoration, slightly less than nat. size. 
occur below the hinder end of the mandible. Tho delicate 
vertebral centra are very imperfectly preserved, but 18 or 
19 pairs of stout ribs can ho counted, and these almost or 
completely encircle the abdominal cavity. The neura 
and haemal spines in the caudal region are comparatively 
small, except at the base of the caudal fin. The fish is 
distorted in the anterior part of the caudal region, but all 
tho fins are tolerably well preserved. Purchased, 1894. 
P. 7357. Contorted specimen in counterpart, collected by H. M. 
Becher. One of the slabs exhibits a second well-preserved 
fish on the obverse side. The characteristic jaws, dentition, 
b 2 
