ART. 10 NOTES ON MYCTOPHINE FISHES PAKB 6 



tion, will be referred to in the following as " the previously rendered 

 keys." The same arrangement of the species will be used. 



SYNOPSIS OF CONTENTS AND CONCLUSIONS 



1. Partial or complete redescriptions, with diagrammatic illus- 

 trations are rendered of the following distinct species, which have 

 heretofore remained inadequately or incorrectly defined in the 

 literature : 



Myctophum crenulare Jordan and Gilbert. 

 LaTnpanyctus giintheri Goode and Bean. 

 Lampanyctus Tnexicamiis Gilbert, 

 Lanipmiyctus nannochir Gilbert.* 

 Lampanyctus alatus Goode and Bean. 

 Diaphus urolampus Gilbert and Cramer. 

 Diaphus ra-flnesquei Cocco.^ 

 Diaphus chrysorhynchus Gilbert and Cramer. 

 Diaphus watasei Jordan and Starks. 

 Diaphus effulgens Goode and Bean. 



2. In addition to the above, diagrammatic figures are rendered 

 of the following, not formerly illustrated species : 



Myctophum calif orniense Eigenmann and Eigenmann. 



Myctophuni imitator Parr {=M. subordbitale Gilbert). 



Lampanyctus microchiv Gilbert. 



Lampanyctus pmictatissimus Gilbert. 



Lampanyctus regalis Gilbert. 



Diaphus nipponensis Gilbert. 



Diaphus tanakae Gilbert. 



3. The following new species and subspecies are defined : 

 Myctophum, fibulatuni proxhnum. 



Lampanyctus taamngi^ new name, to designate the form currently 

 identified as Lampanyctus gemmifer Goode and Beane, the type of 

 Goode and Bean's nominal species being found to actually repre- 

 sent Lampanyctus ci^ocodilus Risso. 



4. The following, previously established synonymies have been 

 verified on the type specimens : 



Myctophum tenua Eigenmann and Eigenmann, synonym of M. 

 crenulare Jordan and Gilbert. 



Myctophum, giZberti Evermann and Scale, synonym of M. pterotum 

 Alcock. 



* With footnote discussion of the type specimen of the distinct h. leucopsarus Eigen- 

 mann and Eigenmann in the Museum of Compai'ative Zoology, Cambridge, Mass. 



= Represented by the type specimens of D. theta Eigenmann and Eigenmann, D. protocu 

 lus Gilbert, and D. nanus Gilbert. 



