FISHERY BULLETIN: VOL. 84, NO. 3 



Table 1 .—Continued. 



Scombrolabracidae 

 (Scombrolabrax) Gempylidae 



not known cartilaginous 



not known 



absent 



cartilaginous 

 or ossified 



absent 



absent 



absent 



present 



Table 2.— Developmental features for the scombroid 



Neural and haemal arches and 

 spines, parapophyses and 

 hypural parts initially develop 

 in the following places on the 

 notochord by the following se- 

 quence. Addition is in a given 

 direction. 



Developing pterygiophores 

 and fin spines and rays are 

 added in a direction. 



Scombrolabracidae 

 (Scombrolabrax) 



Gempylidae 

 (Gempylus, 

 Nesiarchus, 

 Diplospinus) 



1. 



2. 



3. 



Anterodorsad, posteriorly. 

 Posteroventrad, posteriorly 

 and anteriorly. 

 Ventrad at center, posteri- 

 orly and anteriorly. 

 Dorsad at center, posterior- 

 ly and anteriorly. 



Anterodorsad, posteriorly. 

 Posteroventrad, posteriorly 

 and anteriorly. 

 Ventrad at center, posteri- 

 orly and anteriorly. 



First dorsal: anteriorly and 

 posteriorly. Second dorsal: an- 

 teriorly and posteriorly. Anal: 

 anteriorly and posteriorly. 



First dorsal: posteriorly. Sec- 

 ond dorsal: anteriorly and 

 posteriorly. Anal: anteriorly 

 and posteriorly. 



Trichiuridae 

 (Trichiurus) 



1. Anterodorsad, posteriorly. 



2. Ventrad at center, posteri- 

 orly and anteriorly. 



Entire dorsal and anal: poste- 

 riorly. 



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