THE ANNALS 



AND 



MAGAZINE OF NATURAL HISTOEY. 



[FIFTH SERIES. 1 



" per litora spargite museum, 



Naiades, et circimi vitreos considite fontes: 

 Polliee virgineo teneros hie carpite flores : 

 Floribus et pictum, divse, replete eanistrum. 

 At vos, o Nymphee Craterides, ite sub undas ; 

 Ite, recurvato variata corallia trunco 

 Vellite muscosis e rupibus, et mihi conchas 

 Perte, Deae pelagi, et pingui conchylia succo." 



If. Parthenii Giannettasii Eel. 1. 



No. 31. JULY 1880. 



I. — New Species of Crustacea from New Zealand. 

 By George M. Thomson. 



[Plate L] 



The following notes record the result of observations made on 

 the crustacean fauna of Dunedin Harbour during last sum- 

 mer. Limited as the field is, it has already yielded so many 

 new forms, and this too after most cursory examination, that 

 I anticipate numerous additions will be made to our know- 

 ledge by more systematic dredging. The maximum depth of 

 the Bay is probably about 6 fathoms ; so that no deep-sea 

 forms are included in the following list. 



Group SCHIZOPODA. 



Fam. Mysidse. 



Genus Mysis. 



My sis denticidata, n. sp. 



Carapace rather short and slender, with a short triangular 

 acute rostrum. Peduncle of the internal (upper) antennaa 

 extending to the extremity of the scale of the external antenna}, 

 second joint very short, third the widest. Scale of external 

 antennae broad, with a tooth at the outer angle, and long cilia 

 on its inner side and at the extremity. Middle lamella of the 



Ann. & Mag. N. Hist. Ser. 5. Vol. vi. 1 



