60 'J'. (jliSLÉN, 



Disk 4 mm. Anal lube oliimiiey-sliapéd, 1,5 mm., subceiitral 

 The skin smoolli. without |i;i|)ill;T. Mouth somewliat mai'f^inally dis- 

 plaoed. 



Sp. 2 (8t. 45) C. XIX !)^I2: 2—4,.-, mm. — H— s visible in the 

 eoi-ncrs. R — s h =- '/a hv. J Mv I h - \/2 br. Arms X, 2.Ö nun, 'I'lie 

 distal borders of the axillai-ies spiny aiul bent outwards. Syzygies 

 3 + 4, 11 -i-12, distally with an interval of usually -5 obliciue articula- 

 tions. Distal Br-segments L = 2xbr, strongly lioui--glass-shaped and 

 spiny. 



Pi + 20 (about 5 coarse T) '■) mm., 1*2 absent, P.^ without a coiiili 

 7; l,s mm. Distal p. +; 2,2 nun. — Disk 2,.^ mm. Anal funnel 1 mm. 

 Mouth somewhat dislocated. 



A young form of Vania. 



Sp. 1 (St. 50) C. XII 1>; 2 — 3 nun. slender, in a single whorl 

 4"' segment the longest L -- 2 X br. . Cd low, flattened. — K— s narrow- 

 bands h=V5 br. I Br 1 h =- ' 2 br, laterally free. Axillary h = ^/s br, 

 pentagonal. Primipostaxillaries well separated inside. The synarthry 

 between Br 1 and 2 usually rathej- similar to the syzygy between Br 

 3 and 4. Br 1 and 2 h = V/3 br, the outside somewhat broader. Arms 

 X, 12 mm. Br-segments serrate, only slightly ovei'lapping. Syzygies 

 with an inter\ al of 3 oblique articulations, — Pj + 6 T, P.^ and P3 rudi- 

 mentary or lacking. The following pinnules without a comb. Distal 

 p. 2,5 mm. — Disk 2,5 mm., I'eaching to Br 1. Anal cone smooth, 

 1,2 mm., sharply set off with a papilla whorl round the opening. Mouth 

 marginally displaced. Colour yellow-brown. 



Unrecognisable Comasterid young forms. 



Sj). I (St 47) C. XVIll 12—17 (usually 15—17), 4-8 mm. Op- 

 posing spine a little longer than the preceding ones. — Axillary h = 1/2 

 br. II Br— s in a regenerate 2 (2 cases). Arms XII, 30 mm. Syzy- 

 gies with an interval of 3 or 4 oblique articulations. — P^ — P^ with a 

 comb, P2 and P, often very small (1 — 2 mm.) Pj + 26 (6 -7 T) 5,5 mm. 

 Distal ]) 12 — 13: 4,5 nun. 



Disk 3,5 mm. Anal tube papillated, subcentral, uai-row. 2 mm. 

 sharply set off from the disk. Mouth marginal. 



