

125 



LARVAL AND POST-LARVAL FISHES. 



BY C. TATE REGAN, M.A. 



(Asst'siaiil ill lilt' DejKiihiit'ut nf ZuoIikji/, British Mitx<-n)ii {Nitliinil IliKUiry)). 

 WITH FIVE TEXT-FIGURES AND TEN PLATES. 



I. — Antarctic and Subantarctic Fishes. 



1. Milfoil jfis and M tjiidjijiain ...... 



2. A lu'w ] 'di'iil I jxnix ....... 



'.',. The Xototlieuiit'ui'iu lushes ..... 



II. — Fishes from the Tropical and South Temperate Zones 



III. — Notes and Conclusions. 



1. Pehxgic Larvae in Itelatimi to the Distriliutioii of Species 



2. The EecapituLiticm Theory ..... 



3. Developmeut of the Fius ...... 



4. Characteristic Features of Pehigic Larvae 



5. Systematic Importance of Larval (Jhjiracters 



PAGE 



125 

 129 

 129 



134 



148 

 149 

 150 

 151 

 152 



I -ANTARCTIC AND SUBANTARCTIC FISHES. 



1. NOTOLEPIS AND :\1Y( TUPIIUM. 



Thk pehioii- fishes of tlie order Iniomi are represented hy a \ery perfect j)ost-]arvaI 

 example of the striitlv Antarctic Xotol('pi>< cudtsii and hy a series illustrating the 

 development of the more widely distributed 2fi/rf(ijJtani (iiitdvctirmn. This ranges, 

 wlien aibdt. throughout the Antarctic, Subantarctic, and South Temperate Zones, 

 liut the larval and post-larval .specimens were all taken in the Subantarctic Zone, some 

 to the south of New Zealand, others to the west of Tierra del Fuego. 



NotoUpis coat-'<ii, Dollo. (I'l. L figs. 4. 5). 



A po.st-larval example, 7U mm. long, is veiy similar to one tigurcd liy Poulc 

 (Deux. Exped. Antarct, Francaise, Poissous, pi. 1 11 1. Ii was taken on Dec. 28th, 1912, 

 at Station 2(59, n8~ 37' S., IGG^ 14' W., surface. 'J'hc adipose fin is continuous with 



VOL. I. T 



