SYSTEMATIC AND BIOLOGICAL ACCOUNT 65 



Station 107. Three young specimens were taken off Three Kings Islands, North Island, New 

 Zealand. One of these had nine attached nectophores of the juvenile (1 -ridge) type as well as buds of 

 the same type, but not of the adult type. There were present also detached nectophores of the adult 

 (2-ridge) type. 



Mr Fraser-Brunnei 's collection (Gulf of Aden). On the night of 26 November 1949, Mr Fraser- 

 Brunner took at the surface, ten miles north-east of Alayu one young specimen (only two gastrozooids 

 developed) that had still attached to it one nectophore of the larval (1 -ridge) type, as well as a larval 

 bract. It was associated with one detached nectophore of the adult (2-ridge) type. 



'Discovery II' Station 1598, 460-300 m. (tropical Atlantic), 1 juv. ex. 1-5 cm. in length with one 

 attached nectophore possessing a single longitudinal ridge on its lateral facets. It was associated with 

 two more young specimens, one of which still had two bracts of the larval type attached near the 



Text-fig. 26. Larval bracts of Agalma okenii from the Gulf of Aqaba. A : -J x 5 ; H 1 , H 2 x 9. 

 The numerals indicate that more than one view is given of a particular bract. 



penultimate gastrozooid. Four gastrozooids are present, a reduced terminal one — the protozooid, 

 but no tentacle is visible — two functional gastrozooids and one well-developed bud. The bracts are 

 similar to those shown in Text-fig. 26 D, E. 



Dr W. Beebe's collection (Bermuda, where the species appears to be plentiful). A young specimen 

 numbered 312117, net 1314, and 1-5 cm. in length, has some larval type bracts, and only two 

 functional gastrozooids. There is no sign of larval type tentilla and the budding nectophores all possess 

 two longitudinal ridges on the lateral facets. Associated in the phial with this specimen were two 

 unattached nectophores, 8 mm. in diameter, and some unattached larval type bracts. One of these 

 nectophores had only one ridge, the other had traces of a second. 



H.M.S. 'Challenger' in October 1950 took some larvae and post-larvae about 30 miles off the 

 Pacific coast of Costa Rica. There were in the catch small detached nectophores of the 1 -ridge type. 

 The temperature of the surface water, in which the larvae were probably living, though the tow was 

 made at a depth of 27 m., was 26-6° C. Long ago Bigelow (191 1 b) dealt with Lens & van Riemsdijk's 

 (1908) attempt to split the species Agalma okenii on the form of the tentillum, which is one of 

 Kawamura's criteria. 



