AURONECTAE. 



153 



Fam. 4. Agalmidae. Polygastric Physonectac with a long tubular stem, 

 bearing numerous siphons, palpons, and bracts. Nectocalyces numerous, 

 biserial. Pneumatopliore with radial pouches. All the genera except four, 

 viz., Stephanomia Per. and Les., Crystallodes H., Anthenwdes H., Cuneoluria 

 Eysenhardt, have dissolved cormidia. Phyllophysa L. Ag. ; Agalma Esch. : 

 ffalistemma Huxley (Fig. 126) ; Cupulita Q. and G. ; Agalmopsis Sars (Fig. 128) ; 

 Lychnagalma H. 



Fam. 5. Forskalidae. Polygastric, with a long tubular stem bearing 

 numerous siphons, palpons, bracts ; 

 each siphon with a- branched ten- 

 tacle. Nectocalyces numerous ; 

 multiserial, strobilifonn in several 

 spiral rows. Pneumatopliore with 

 radial pouches. The largest and 

 most splendid of all Physomctae. 

 Cormidia dissolved in all except 

 Strobalia H. Forskaliopsis H. has 

 palpacles among the nematocalyces. 

 Forskalia KiJlliker ; Bathyphysa 

 Studer. 



Fam. 6. Nectalidae. Polygas- 

 tric, with a short vesicular stem, 

 bearing numerous siphons, palpons, 

 and bracts ; tentacles branched. 2 

 or 4 rows of nectocalyces. Pneu- 

 matopliore with radial pouches. 

 Nectalia H. ; Sphyrophysa L. Ag. 



Fam. 7. Discolabidae. Like 

 the preceding but with a corona 

 of palpons instead of bracts ; with- 

 out bracts. Physophora Forskal, 

 biserial nectocalyces (Fig. 125) ; 

 Discolabe Esch., quadriserial necto- 

 calyces ; Stephanospira Gegenbaur, 

 multiserial nectocalyces. 



Fam. 8. Anthophysidae. Poly- 

 gastric, with short vesicular stem 

 bearing numerous siphons and pal- 

 pons ; each siphon with a branched 

 tentacle. Nectocalyces replaced by 

 corona of bracts (as in Fig. 128). 

 Pneumatopliore with radial pouches. 

 Rhodophysa Blaiuville ; Melophysa, H. 

 Ploeophysa Fewkes. 



NK 



FIG. 128. Small larval colony of Agalmop&is after 

 the type of Alhorybia. Lf pneumatophore ; D 

 the crown of hydrophyllia ; Xk groups of nema- 

 tocysts ; P siphon. 



; Athorybia Esch.; Anthophysa Mertens ; 



Section 3. AURONECTAE. 



Siplionantliae idth a, large pneumatoplwre, a corona of nectocalyces, 

 a peculiar auropJwre, and a network of canals in the jelly of the 

 thickened trunk. Siplwsome spheroidal, ovate, or turnip-shaped. 



Deep sea forms. The aurophore (Fig. 129) is an appendage of 



