25 



a. Kalkkam. b. Den nedre, frie Ende af 

 samme. c. Kalkliste med Trender. il. 

 Hulheden. 



Fig. 7. Basalernes Pentagonal. forstørret. 



— 8. Ventralfladen af Iste Radiale, forstørret. 



a. Spalte. 



— 9. Ventralfladen af 2det Radiale, forstørret. 



— 10. VentralHaden af 3die Radiale, forstørret. 



a. Sidedelen. h. Furen. r. c. Fordybnin- 

 ger for Muskelinsertioner. 



— 11. Ventralfladen af det Iste Braehiale, for- 



størret. 



a. Fremspring. /(. Furen c, ''. Aflange 



Fordybninger for Muskelinsertioner. il. 



Kalkkam. 



— 12. En Pinnula med sine Kalkklapper og Ten- 



takler seet fra Siden, forstørret. 



k. />'. Kalkklapper. som (hekke Ventralfu- 



ren. /. Generationsorganet. t, t. Tentakler. 



— 13. Et Stykke af en Arm. seet halvt fra Siden, 



halvt fra Ventralfladen. forstørret. 



a. Led. b. Muskler, c. Kalkklapper. d. 



Tentakler, e. Elastiske Fibre. 



— 14. Kalkklapper, stærkt forstørret. 



— 15. Mundpartiet, seet fra oven, forstørret, 



a. Peristomet. &. Mundtentakler. c. Længde- 

 furerne imellem Interpalmarfelterne, delende 

 sig i Skivens Periferi i to. nemlig en til 

 hver Arm. il. Rectum. 



— 16\ Et Stykke af de fine Rodtrevler. forstørret. 



Tab. II, Fig. 1. En Krone uden Basaler, forstørret. 



n Iste Radiale, b. Sømmene for Sammen- 

 voxningen af Iste Radiales Sider. c. Led- 

 det imellem Iste og 2det Radiale, d. 2det 

 Radiale, e. Syzygiet imellem 2det og 3die 

 Radiale. /. 3die Radiale. g. Konisk 

 Fremstaaenhed paa den dorsale Sides øver- 

 ste Rand af 3die Radiale. 



— 2. Radialerne og Brachialerne, forstørret. 



Bogstaver a—g som paa Fig. 1. h, h. 

 Syzygier. i, i, i. Artikulationer. k. Skarp 

 Siderand af Iste Braehiale. 1. Sammen- 

 voxning imellem de indre Rande af Iste 

 Braehiale. ni. Halvmaaneformigt Indsnit 

 paa Iste Brachiales underste Rand. 



— 3. De øverste Dele af to Arme med Pinnuler, 



forstørret. 



a, a. Artikulationsflader. /*. //. Syzygier. 

 c, c. Pinnuler. il: Befæstningspunktet for- 

 en Pinnula. 



Den norske Nordhavsexpedition. D. C. Daiiielssen: Crinoida. 



a. The calcareous ridge. b. The lower. 

 free extremity of the same. c. Calcareous 

 fillet with teeth. A. The cavity. 

 Fig. 7. The pentagon of the basals. magnified. 



— 8. The ventral surface of Ist radial, magnified. 



a. Fissure. 

 9. The ventral surface of 2nd radial, magnified. 



— 10. The ventral surface of 3rd radial, magnified. 



a. The lateral portion. h. The groove. 



c, c. Cavities for insertions of muscles. 



— 11. The ventral surface of the Ist brachial, 



magnified. 



a. Projection. b. The groove. e, c. Oblong 

 cavities for insertions of muscles. d. Cal- 

 careous ridge. 



— 12. A pinnule with its calcareous valves and 



tentacles; lateral aspect, magnified. 

 k, k. Calcareous valves which cover the 

 ventral groove. ■ l. The reproductive organ. 

 t. t. Tentacles. 



— 13. A portion of an arm, viewed half from 



the side and half from the ventral sur- 

 face; magnified. 

 a. Joint. //. Muscles, c. Calcareous valves. 



d. Tentacles. e. Elastic fibres. 



— 14. Calcareous valves, greatly magnified. 



— 15. The oral portion, superior aspect, magnified. 



a. The peristome. b. Oral tentacles. c. 

 The longitudinal grooves between the inter- 

 palmar areas, which divide in the disc of 

 the periphery into two. namelv one to 

 each arm. d. The rectum. 



— 16. A portion of the delicate root-filaments, 



magnified. 

 Pl. II. Fig. 1. A crown without basals, magnified. 



n. Ist radial, b. The seams for the con- 

 cretion of the sides of the Ist radial, c. 

 The joint between the Ist and 2nd radials. 

 d. The 2nd radial, e. The syzygium be- 

 tween the 2nd and 3rd radials. /. 

 3rd radial, g. Conical projection on the 

 dorsal side's uppermost margin of the 3rd 

 radial. 



— 2. The radials and brachials. magnified. 



The letters a — g have the same indications 

 as in fig. 1. h. h. Syzygia. i. i. i. Arti- 

 eulations. /.\ Sharp lateral margin of the 

 Ist brachial. /. Concretion between the 

 inner margins of the Ist brachial. w. 

 Peltiform incision on the lowest margin of 

 the Ist brachial. 



— 3. The uppermost portions of two arms with 



pinnules, magnified. 



a, ii. Articular surfaces. b, b. Syzygia. 

 c, c. Pinnules. d. The point of attachment 

 of a pinnule. 



4 



