﻿4o6 



A specimen of 90 mm. from surface 

 plankton, Island Sebangkatan, Borneo Bank!. 



20 specimens of 56 — 1 10 mm. from surface 

 plankton, 2° 30' S., 129° 28' E., CeramSea!. 



One specimen of 77 mm. surface plankton, 

 2° 22' S., 126° 46' E. Ceram Sea!. 



4 specimens of 98 — 102 mm, surface plank- 

 ton, Banda Sea near Lucipara Islands!. 



7 specimens of 63 — 124 mm., surface plank- 

 ton, 4°i6'5^^S., 1 30° 1 5^8^' E. Banda Sea!. 



One specimen caught in vertical net, hauled 

 up from 2000 M. depth, 3° 58' S.; 128° 20' E. 

 Banda Sea!. 



For further details see Max Weber l.s.c. 



3. Leptocephalus mirabilis Brauer. 



Leptoccphahis Diirabilis Brauer, Deutsche Tiefsee Exp. 



Tiefseefische I. 1906, p. 125. 

 Leptocephalus vtirahilis Max Weber, Siboga-Exp. Fische, 



1913, p. 76. 



Description of a specimen with 293 seg- 

 ments: 



Length 143 mm.; head 8 mm.; eye 1.5 mm.; 

 snout 4.5 mm.; height immediately behind 

 anus 20 mm.; in the region of the gut 23 mm. 

 Distance of anus from point of snout 49 mm., 

 from end of tail 96 mm. In the upper jaw 

 on each side 12 anterior larger, and 8 poste- 

 rior smaller teeth; in the lower jaw 20 teeth, 

 the posterior ones of which gradually become 

 smaller, the most anterior one is nearly 

 horizontal, that in the upper jaw only slightly 

 oblique. Cleft of mouth reaching below 

 middle of eye. Only the posterior nostrils 

 are with certainty descernible as narrow 

 triangular clefts, the base of which is situated 

 superiorly near the frontborder of the eye. 

 Dorsal with more than 300 rays. Dorsal 

 and anal continuous with caudal. Pectorals 

 Fig. 208. Leptocephalus present. Dorsal part of anterior myomeres 

 ;/./;v7^/A> Brauer of M3 mm. very high, making the trunk anteriorly and 



