SCOPELARCHIDAE 311 



Dentition (based on Discovery specimens). Premaxillary teeth c. 70, pointed, retrorse, small. 

 Dentary with c. thirty outer, pointed, retrorse teeth; eleven long, depressible, barbed, inner teeth, the 

 3rd~5th being the largest. Palatine teeth in two closely adjacent rows, 8-10 smaller, pointed teeth in 

 outer row, 5-6 longer, barbed teeth in inner row. Lingual teeth eleven, barbed, decreasing in size 

 from before backward (see Text-fig. 36'). 



(ukL-M. 



a' 



V 



Text-fig. 3. a, Neoscopelarchoides sp. late larval stage ( = Benthalbella infans) (X2): a', lingual teeth (xo/3); 

 b, Neoscopelarchoides elongates (Norman). Specimen from station 391 (x 1-3); b', lingual teeth (xg-j). 



Neoscopelarchoides sp. 

 (Text-fig. 3 a, a'.) 



This specimen of a late larval stage was taken by R.R.S. 'Discovery II' off the Azores. Station 

 3051 (lat. 39 29' N, long. 9 50' W), 26. viii. 52. Net TYF (young fish trawl), hauled obliquely 

 between 700 m. and the surface. 



Body proportions in hundredths of the standard length (60-5 mm.). Greatest depth of body 13-2; 

 length of head 15-4; diameter of forward lens-containing part of eye 4-1 ; length of snout 6-6; width of 

 bony interorbital i-o; length of lower jaw 15-3; length from tip of snout to origin of dorsal fin 38-8; 

 snout to origin of adipose dorsal fin 57-8; snout to anterior ray of pectoral fin 18-2; snout to anterior 

 ray of pelvic fin 33-5; snout to origin of anal fin 64-4; depth of caudal peduncle 4-5; length of caudal 

 peduncle 12-4. 



Fin-rays. D. 9, A. 22, Pect. 24, Pv. 9. 



As shown in Text-fig. 3 a the eyes are tubular and are directed forward and upward. 



Dentition. About thirty small, pointed, retrorse teeth on premaxilla. Mandible with about twenty 

 outer, small, upright pointed teeth ; seven inner, long and slender teeth, all but the first with a tiny 



wooos 



HOLE. 

 v MASS. / 



