274 THE SCYPHOMEDUS.E OP THE SOUTHERN HEMISPHERE, 



the diameter of the Umbrella. Gonads are four richly folded 

 pendant pouches, a little shorter than the radius of the Umbrella. 

 Margin of Umbrella with 16 broad nearly pentagonal flaps. 

 Tentacles uniserial in 8 bundles, in each bundle 5 larger, and on 

 each side 4-6 smaller tentacles. Exumbrella depressed in the 

 middle with 16 pinnate radial ribs. 



Size : Breadth of Umbrella, 100 mm. Height of Umbrella, 

 40-50 mm. Length of mouth-arms, 90 mm. 



Locality : South Atlantic Ocean, "West Coast of South Africa. 

 Wilhelm Bleek. 



Species. Desmonema Gaudichaudi. 



Haeckel, System der Medusen. Seite, 527. 



Desmonema Gaudichaudi. L. Agassiz. Monogr. Acal. Contrib. 

 IX,, p. 166. Chrysaora Gaudichaudi. Lesson, 1829. Voyage de 

 la Coquille. Zoophyt., p. 114, pi. XIII., fig. 1. 



Umbrella semi-spherical, twice as broad as high. Mouth-arms 

 lancet shaped as long as the diameter of the Umbrella, with 

 narrow arm frills, which are not curtain shaped. Gonads not 

 pendant. Margin of Umbrella with 8 (— \21) broad, rounded 

 triangular, projecting flaps, between the 8 ( — 12 %) pair of narrow 

 hidden scular flaps. Ex-umbrella with 8 ( — 12 1) pinnate radial 

 ribs. 



Colour : Bright yellow, canals rust-i'ed, tentacles claret colour. 



Size : Breadth of Umbrella, 100 mm. Height of Umbrella, 

 40-50 mm. Mouth-arms, 100 mm. 



Locality : Falkland Islands (Soledad, Maluinen). and further 

 south to Cape Horn. Lesson. 



Species : Desmonema pendula. 



Haeckel, System der Medusen. Seite, 528. 



Couthouya pendula. L. Agassiz, 1862. Monogr. Acal. Contrib. 

 IV., p. 118, 163. 



Nerinea pendula. Couthouy, 1862. Manuscript of Wilke's 

 " U. S. Exploring Expedition.'' 



