BUFFALO SOCIETY OF NATURAL SCIENCES 135 



Measurements: cm. 



Total length 39-o 



Tip of snout to line through origin of pectorals 8.0 



Span across pectorals 14.0 



Base of pectoral 3.5 



Length (that is, height) of pectoral 4.5 



Cladoselache kepleri (Newberry) 



(Pis. 49, 50; text-figs. 47, 48) 



This is the largest of the Ohio Cladoselachians, reaching a length 

 of 6 feet. Its large fins, with broad, stout rays, are usually in mag- 

 nificent preservation, and show the details of the fin structure better 

 than any other species. This form is represented in the Buffalo 

 Museum by a fine specimen over 5 feet in length, and by a portion of 

 a second, consisting of the region of the ventral fins. 



E 2481 A nearly complete shark showing the head and almost the 

 entire body as far as the tail; both pectorals, one ventral, 

 and the upper lobe of the caudal. The specimen shows 

 considerable detail: the eyes, teeth, branchial bars, 

 neural arches and shagreen (PI. 49). 



The pectoral is somewhat longer than wide at the ba,se, 

 the ratio being 9 to 7. The rays are clearly shown; 

 there are 20 primaries, 10 secondaries and 3 tertiaries. 



The ventral is not perfectly preserved at its posterior 

 extremity, but the web was apparently drawn out into an 

 elongated, pointed flap, as in othfer species in which it has 

 been observed. It exhibits 14 primary rays and 3 sec* 

 ondaries; there are no tertiaries. 



Measurements: cm. 



Length as far as preserved 160 



Length, to (about) origin of caudal 156 



Tip of snout to line through origins of pectorals [about 



21 per cent, of length of fish] 36 



Tip of snout to line through origin of ventraL 93 



Base of pectoral 14 



Length (or height) of pectoi;aI 18 



Base of ventral 10+ 



Length (or height) of ventral 7 



