112 THÉEL, NORTHERN AND ARCTIC INVERTEBRATES. I. SIPUNCULIDS. 
Plate VI. 
Figs. 76—81. Phascolosoma abyssorum KOREN and DANIELSSEN. Type from Bergen. 
Fig. 76. Sample of skin from the posterior part of the body. 56. 
>» 77. Side view of a glandular body from the vicinity of the posterior end of the body. 359. 
» 78. Oblique view of the same gland. 350. 
» 79. Side view of a more anteriorly situated gland. 350. 
» 80. Upper view of the same gland. 359, 
» 81. A gland from the posterior extremity of the body. 350. 
Figs. 82—86. Phascolion strombi (Monr.). 
Fig. 82. The animal. + :Gullmar Fjord. 
» 83. Different views of hooks. 249. Gullmar Fjord. 
» 84. Oblique and side view of the horseshoe-shaped papille. 139. Gullmar Fjord. 
» 85. Upper view of a horseshoe-shaped papille. 139. Gullmar Fjord. d 
» 86. Different views of hooks. ?49. Spitzbergen. 
Fig. 87. Phascolion strombi (Monrt.). Spitzbergen. Horn Sound. 
fig. 87. The animal with the proboscis slightly retracted and highly contracted. +. 
Figs. 88—95. Phascolion strombi (Monrt.). Gullmar Fjord. 
Fig. 88. Sample of skin with papille from the foremost part of the trunk, close to the proboscis. 25. 
» 89. Side view of the same papille. 56. 
» 90. Sample of skin from the middle of the trunk, in front of the horseshoe-shaped papille. 55. 
y. a part of the skin from the boundary of the foremost portion of the trunk. — z. the true middle 
portion, with larger but lower oval glands and small papille. 
» 91. Side view of the last-mentioned papille. 55. 
» 92. Sample of skin from the girdle of horseshoe-shaped papille. 55. 
» 93. Sample of skin from the hindmost part of the trunk, with small conical or cylindrical 
papille. 56. 
Figs. 94—95. Side views of the same papille from the posterior extremity of the trumk. 235. 
Figs. 96—98. Phascolion tuberculosum THbEL. Koster Fjord. 
Fig. 96. The animal. + 
» 97. Ventral view of the foremost part of the proboscis, with tentacles and hook. 19. 
» 98. Different views of the hooks. ?49. 
