

62 



AUGUSTA ÄRNBÄCK-CHRISTIE-LINDE, NORTHERN AND ARCTIC INVERTEBRATES. 



"ig 



.31 



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32 



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33 



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34 



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35 



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36 



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37 



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38 



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39. 



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40. 



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41 



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42. 



The same. Dorsal tubercle. X 35. 

 The same. Gonad. X 10. 



a from outer side; b from inner side. o. Ovary; t. Testis. 

 Polycarpa libera Kiaer. X 4. 

 Dendrodoa grossularia van Beneden. X 2. 

 The same. X 2. 

 The same. X 2. 

 The same. X 2. 

 The same. Gonad. X 8. 



o. Ovary; od. Oviduct; t. Testis; vd. Vas deferens. 

 Dendrodoa aggregata Rathke, forma typica, from Davis Strait, natural size. 

 The same, from Disco, natural size. 



Dendrodoa aggregata var. pulchella Verrill, from Banks of Newfoundland, natural size. 

 Dendrodoa aggregata var. groenlandica n. var., natural size. 



Fig 



.43 



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44 



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45 



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46. 



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47. 



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48. 



» 49. 



» 50. 



» 51. 



» 52. 



» 53. 



» 54. 



> ■>-,. 



» 56. 



Plate 3. 



Dendrodoa aggregata Rathke, forma typica. Gonad. X 1?,. 



c. Endocarp; od. Oviduct; vd. Vas deferens. 

 The same. Part of gonad. X 10. 



o. Ovary; t. Testis; vd. Vas deferens; ve. Vas efferens. 

 Dendrodoa aggregata var. groenlandica n. var. Gonad. X 2. 



od. Oviduct. 

 The same. Alimentary canal. X 2. 



r. Rectum; s. Stomach. 

 Kiikenthalia borealis Gottschaldt. Colony from Spitzbergen. X 2. 

 The same. Zooid seen from the left side, test partly removed. X 8. 



at. Atrial aperture; br. Branchial aperture; b. Bud; bp. Brood-pouch; gp. Genital pouch with testis 



and ovary; oc. Oesophagus; r. Rectum; s. Stomach. 

 The same. Zooid seen from the left side, test partly removed. X 7. 



at. Atrial aperture; br. Branchial aperture; b. Bud; gp. Genital pouch with testis and ovary; oe. 



Oesophagus; r. Rectum; s. Stomach. 

 The same. Testis, from the inside. X 33. 



/. Testis; vd. Vas deferens. 

 The same, showing the testis and the rudimentary brood-pouch, from the outside. X 33. 



b. Bud; b}). Brood-pouch; vd 1 ., vd*. Vasa deferentia. 

 The same. Testis, from the inside. X 33. 



t. Testis; vd 1 ., vd 2 . Vasa deferentia. 

 The same. The reproductive organs, from the outside. X 23. 



bp. Brood-pouch; o. Ovary; od. Oviduct; t. Testis; vd. Vas deferens. 

 The same. The reproductive organs, from the outside. X 23. 



bp. Brood-pouch; o. Ovary; od. Oviduct; t. Testis; vd. Vas deferens. 

 The same. Transverse section of the genital pouch. X 110. 



od. Oviduct; vd. Vas deferens. 

 The same. The reproductive organs, seen from the inside. X 33. 



b. Bud; bp. Brood-pouch; gp. Genital pouch with testis and ovary; vd. Vas deferens. 



Tryckt den 19 april 1922. 



Uppsala 1922. Almqvist & WikseMs Boktryckeri-A.-B. 



