PLATE 22. 
Holascella taraxacum LeNDENFELD. 
Figures 1-41. 
1-4.— Superficial (hypodermal, hypogastral) hexactines; magnified 50; phot. Zeiss, planar 20 1 
compens. oc. 6. 
5-11.— Large choanosomal hexactines, pentactines, and tetractines; magnified 7.5; phot. Zeiss, pl 
50 mm. 
12-17.— The outer protruding ray of superficial (hypodermal, hypogastral) hexactines; magnified 200; 
phot. Zeiss, apochr. 8, compens. oc. 6. 
18, 19.— The distal part of a ray of a microhexactine; magnified 2000; u. v. phot. Zeiss, q. mania 4 
7 cenoca 10: 
18, focussed higher; 19, focussed lower. 
20-25.— Micro-hexactines and -pentactines; magnified 200; phot. Zeiss, apochr. 8, compens. oc. 6. 
26.— The lower, distal end of an anchoring spicule; magnified 200; phot. Zeiss, apochr. 8, compens. oc. 6. 
27, 28.— Parts of groups of onychhexasters in spicule-preparations; magnified 600; phot. Zeiss, H. 
apochr. 2, compens. oc. 6. 
29-35.— The tyles and adjacent parts of centrotyle rhabds; magnified 200; phot. Zeiss, apoch 
compens. oc. 6. y 
36.— Portion of a ray of a large choanosomal hexactine; magnified 200; phot. Zeiss, apochr. 8, compens. 
oc. 6. 
37.— The lower, distal end of an anchoring spicule; magnified 100; phot. Zeiss, apochr. 16, comet 
oe. 6. 
38-41.— Ends of rhabds: magnified 200; phot. Zeiss, apochr. 8, compens. oc. 6. 
i 
