SYSTEMATIC REPORT 



171 



Fig. 42. Neomysis patagona Zimmer. A, anterior end of carapace and eyes in dorsal view, x 16; B, antennular peduncle, 

 x 16; C, left antenna, x 16; D, mandible, x 20; E, maxilla, x 20; F, endopod of first thoracic appendage with epipod, x 20; 

 G, endopod of second thoracic appendage, x 20; H, sixth thoracic appendage of female, x 16; J, right uropod, x 16; K, telson, 

 x 16. 



Neomysis monticellii Colosi, 1924 

 (Figs. 43 A, 44A-C) 

 1924 Neomysis monticellii Colosi, p. 6, figs. 7-9. 



Occurrence : 



St. WS 798. 20. xii. 36 (day). Off mouth of River Desire, South Patagonia, 49-66 m., 3 etc?, largest, 10-4 mm. 



Remarks. I am unable to find any record of this species apart from the somewhat meagre original 

 description by Colosi (1924, p. 6). He gives figures of the telson and the fourth pleopod of the male 

 only, but from these figures and his description I have no doubt that the three specimens taken at 

 station WS 798 belong to this species. I am able to supplement the published description and to give 

 such figures as are possible without dissection. 



The rostral plate is very short and does not cover any part of the eyes; the narrowly rounded acute 

 apex bends downward between the bases of the attachment of the eyestalks; the antero-lateral angles 

 of the carapace produced and rounded (Fig. 43 A). Antennal scale shorter than in most species of 



