ZOOLOGY OF FERTSTANDO ISTORONHA, 483 



PISCES. 



By G. A. BouLENGER, F.Z.S., 

 Assistant in the Zoological Department, British Museum. 



The following marine species were obtained : — 

 Apogon imherbis, L.,II(smulon cJiri/sargi/reum, Giinther, Holocen- 

 trum Jongipinne, C. tkV., Acanthanis chirurgus, Bl., Daetylopterus 

 voUtans, L., Gohius soporator, C. & Y ., Salarias atlanticus, C. & V., 

 Salarias vomerinus, C. & Y., Climes micJn'jnnnis, Q. & Gr., Clinus 

 delaJandii, C. & Y., Qohiesox cephahis, I;acep., Pomacentriis 

 lei/costictus, M. & T., Olyphidodon saxatilis, L., Bhomhoidichthys 

 lunatus, L., Hemirliamplms unifasciatus,'B.Miz., Chipea humeralis, 

 C. & Y., Murcena pavonina, Eich., MurcBiia vicina, Cast,, Murcpiia 

 catenata, Bl., and the new species described hereafter. 



JULIS NORONHANA, Sp. n. 



D. ^1. A. ^-^. L. lat. 27. L. tr. 



2* 



Length of head one third of the total (without caudal), 

 or a little less ; depth of the body one fourth. Dorsal spines 

 shorter than the rays. The length of the ventrals is two thirds 

 or three fifths that of the pectoral, which is shorter than the 

 bead. Caudalis truncate. Upper half of body and caudal 

 blackish, lower half yellowish w^hite (in spirit) ; a whitish streak 

 along each side of the back, just above the lateral line ; dorsal, 

 anal, pectoral, and ventral fins transparent, immaculate ; a black 

 s^iot between the first and third dorsal rays. 



Several young specimens, the largest of which measures 60 

 millim. 



The nearest ally of this species appears to be J. lucasana. 



MOLLUSCA. 



By Edgar A. Smith, F.Z.S., 

 Assistant in the Zoological Department, British Museum. 



The total number of Mollusca now known from Fernando 

 Noronha is 80, of which 72 are marine forms, 7 terrestrial, and 

 1 freshwater. 



Previous to this expedition no land or fluviatile species had 

 been collected, and only 28 marine forms, all obtained by the 

 ' Challenger,' have been recorded from this locality. Ten of 



