402 





anus from end of tail 38 mm., from point of 

 snout 45 mm. Eye I mm., postorbital part of head 

 2.5 mm., snout 2 mm. 



Height 8.3, head 16 in length, eye telescopic, 

 5.5 in head, twice in snout, 2.5 in postorbital 

 part of head. Snout elongate, pointed, with an 

 elongate oval olfactory pit. Cleft of mouth rea- 

 ching far behind eye. In upper jaw on each 

 side about 11 pointed teeth, in the lower jaw 

 10, the six anterior ones of which are larger. 

 All teeth are directed forwards. Anus nearly in 

 the middle between tip of tail and gillopenings. 



Fig. 200. Head of Leptocephalus schmidti M. Web. 

 of 83 mm. length. X 9- 



The relatively high finfold begins at the anus 

 and runs round the end of the tail forward to 

 a vertical, which is situated behind the hind- 

 border of the pectorals, at a distance equal to 

 the breadth of the pectorals. Anal with 202, 

 caudal with 9, dorsal with 253 rays. Pectorals 

 with about 18 rays. Surface plankton, bay ofBirna! 



Leptocephali, the adult stage of 

 which is unknown. 



i. Leptocephalus hjorti M. Web. 



Fig. 201. Leptocephalus 



schmidti M. Web. of Leptocephalus Hjorti Max Weber, Siboga-Exp. Fische, 1913, 

 83mm. length. X 2 - P- 7'- 



