PLATE 29. 



Geodia agassizii Lendenfeld (adult). 

 Figures 1-17. 



17. — Cladomes of orthoplagiotriaenes and orthoplagiotriaene-derivates; magnified 75; phot. Zeiss, 

 apoehr. 16, compens. oc. 6: 



1, of an orthoplagiotriaene with medium rhabdome and simple, somewhat unequal clades, of a 



specimen from Station 2886; 



2, of an ortlioplagiotriaene with slender cladome and simple, equal clades, of a specimen from 



Station 4199; 



3, of an orthoplagiotriaene with thick rhabdome and short, rather equal, simple clades, of a speci- 



men from Station 2978; 



4, of an orthoplagiotriaene with slender rhabdome, and irregularly extending, simple clades, of a 



specimen from Station 3088; 



5, of an orthoplagiotriaene with thick rhabdome, and simple unequal clades, of a specimen from 



Station 2978; 



6, of an orthoplagiotriaene, with slender rhabdome, and clades, partly abruptly recurved and 



partly branched terminally, of a specimen from Station 4199; 



7, of a mesorthotriaene with thick rhabdome, and clades terminally abruptly bent, of a specimen 



from Station 2978; 



8, of an orthoplagiotriaene with thick rhabdome, and simple, equal clades, of a specimen from 



Station 4.551 ; 



9, of an orthoplagiotriaene with slender rhabdome, and unequal clades, one of which is branched, of a 



specimen from Station 4199; 



10, of an orthotriaene with slender rhabdome and unequal clades, one of which is branched, of a 



specimen from Station 4193; 



11, of a plagiotriaene with medium rhabdome and simple, equal clades, of a specimen from Station 



2887; 



12, of an orthoplagiotriaene with slender rhabdome and unequal clades, one of which is branched, of 



a specimen from Station 4199; 



13, of an amphiclade orthotriaene-derivate with slender rhabdome with a verticil of three unequal, 



terminally branched clades and one simple and knob-shaped opisthoclade, of a specimen from 

 Station 4199; 



14, of an orthoplagiotriaene with medium rhabdome and unequal clades. one of which is branched, 



of a specimen from Station 3088; 



15, of an orthoplagiotriaene with medium rhabdome and very unequal, simple clades, of a speci- 



men from Station 3168; 



16, of an orthoplagiotriaene with medium rhabdome and unequal, branched clades, of a specimen 



from Station 3168; 



17, of an orthoplagiotriaene with slender rhabdome and unequal clades, one of which is branched, 



of a specimen from Station 4199. 



