4 Pratt, PolycJiceta fi-o))i tJie Falkland Islands. 



resembles that of the Norwegian specimens, but it is rather 

 more broadly conical. 



Proboscis. Cylindrical, about 40 mm. in length, 

 everted portion about 20 mm. The surface of the 

 proboscis covered with an iridescent cuticle, is almost 

 universally studded with small papilla;, not quite so 

 numerous near the base of the proboscis, and each of 

 which appears to have a chitinous tip. 



Teeth. Four pairs of small, laterally placed, V-shaped 

 teeth (see Fig. 2). At the tip of the proboscis there is a 

 ring of 17 papillae, and below this, the multicusped teeth, 

 characteristic of the genus, are arranged more or less in a 

 circle. There are: — 15 dorsal micrognatha, 2 large mac- 

 rognatha and 17 ventral micrognatha. Total = 34 (see 

 Fig. 6). The everted proboscis is not so broad as 

 that of a Norwegian specimen, from which it also differs 

 in the arrangement of papillae. In the latter they are 

 more numerous on the dorsal than on the ventral surface, 

 while in the specimen from the Falkland Islands they 

 are almost universally scattered over the surface of the 

 proboscis. The ring of papillae at the tip of the proboscis, 

 and the circle of multicusped teeth below this ring, are 

 similar in arrangement to those of the Norwegian 

 specimens (see Figs. 5 and 6). 



Ehlers records a new species, Goniada exiniia, from 

 the Sts. of Magellan, which is like the Falkland Islands 

 specimen in the possession of 4 pairs of V-shaped teeth, 

 but differs from it in the number of multicusped teeth. 

 The description of the species is not sufficiently definite to 

 determine whether these two forms are identical in other 

 respects. The most important point of difference between 

 the specimen from the Falkland Islands and those from 

 Norway is in the number of V-shaped teeth on the 

 proboscis. The following table will show that it differs 

 also from the tropical forms in this respect. 



