NOTE ON A (? STOMATOPOD) METANAUl'LILIS LARVA. 43o 



Note on a (? Stomatopod) Metanauplius 

 Larva. 



By 



J. J. Lister, M.A., 



Demonstrator of Comparative Anatomy in the University of Cambridj^e. 



The larva to which I wish here to invite attention was 

 caught in a tow-net out at sea, off the south coast of Tasmania, 



A. The larva here described. (The right anterior antenna was omitted in 

 tlie original drawing, and in order that the figure may be as far as possible a 

 reproduction of this it is omitted here.) 



B. The Erichthoidina stage of a Stomatopod. (From H. J. Hansen, 

 Isopoden, Cumaceen, und Stomatapoden der Plankton Expedition, ' Ergebnisse 

 der Plankton Expedition,' Bd. ii, G. c, pi. viii, fig. 14. a', a' . First and second 

 antennae, abd' . First abdominal appendages, c.f. Caudal fork, p.l.s. Postero- 

 lateral, and p.m.s., postero-median spines (the latter is rather too large iu A), 

 r. Rostrum. 



during daylight on December 25th, 1886. I had at that time 

 very small acquaintance witJi larval forms of Crustacea,, and 



