6 DISCOVERY REPORTS 



Symbol Explanation 



Gz. 1 Protozooid (oldest gastrozooid or siphon), part of the oozooid. 



Gz? Second oldest gastrozooid (siphon), a bud from the oozooid. 



Gz. 3 Third oldest gastrozooid (siphon). 



Gz* Fourth oldest gastrozooid (siphon). 



Gz. s Fifth oldest gastrozooid (siphon). 



Gz.(rd.) Reduced gastrozooid, a bud from the oozooid. 



Go.cJ Male gonophore (androphore), ? a bud from the oozooid, secondarily acquiring direct connexion with the oozooid. 



Go.$ Female gonophore (gynophore) ? a bud from the oozooid bearing medusoid-buds. 



N. Nectophore. 



N.B. Nectophore bud. 



Pal. Palpacle. 



Pn. Pneumatophore, apical organ of the oozooid. 



St. Stem, part of the oozooid. 



Tl. Tentacle, part of the gastrozooid. 



Tl.larv. Larval tentacle. 



X Nodal point of minimum growth. 



See also PI. IV. 



