33_The rounded end of a sty.e (.ubty,ostyle) of var. .nicra.er. n.a.^ified 75; phot. Zeiss, apochr. 

 34-38.- bTJeToroLplagiotHaenes and d.ehotriaenes of var. in.......; n^agnified 40; phot. 



Zeiss, apochr. 16: , - ^ . 



34-36, eladomes of regular adult orthoplag.otriaenes , 



0*1— OU, Liauwi"'^'^ "• --0 



37, cladomeof ayoungorthoplagiotnaene; 



S; a, cladome of a rather irregular adult orthoplag-otnaene , 



b, cladome of a dichotriaene. „i,„t 7pi« nnistis 480 / 412: 



39, 40.-T.O aspects of the specimen of var. ^rUermedm■, phot. Zeiss, anastig. / 



39, natural size; 



42.- A choanosomal amphiox of var. mtcraster, magnified -". P''°' '^ 



44, 45, «ith unequal but otherwise regular clades; 



46, «ilh one shortened and truncate and one abruptly bent clade, 



47, w-ith rather equal regular clades. 



