110 THÉEL, NORTHERN AND ARCTIC INVERTEBRATES. I. SIPUNCULIDS. 
Plate V. 
Figs. 44—50. Phascolosoma NSabellarixe n., Gullmar Fjord, Elleskär. 
Fig. 44. Two animals with the proboscis withdrawn, and with large eggs in the body-cavity. + 
a. anus. — s. opening of the segmental organs. 
Fig. 45. Sample of skin from the posterior part of the body. 56. 
Figs. 46—48. Upper views of the glandular bodies. 320. 
Fig. 49. Side view of a glandular body. 3420. 
» 50. Side view of the foremost part of be proboscis, showing the minute, very sparse, hooks, 
which may exceptionally be detected in this species. ?49. 
Figs. 51—58. Phascolosoma improvisum n. (2). The same locality. 
Fig. 51. Sample of skin from the posterior part of the body. 56. 
» 52. Upper view of a glandular body with papilla. 330. 
Figs. 53—54. Side views of the glandular bodies with papille from the posterior extremity of the 
body. 350, 
Fig. 55. A glandular body with papilla from slightly in front of the posterior extremity of the 
body. 350, 
Figs. 56—58. Side views of the hooks. ?+9. 
Fig. 59. Phascolosoma Sarsii (KOREN and DANIELSSEN). Type from Lofoten. 
Fig. 59. Side view of hooks. ?+9. 
Figs. 60—70. Phascolosoma anceps n.(?). The great deeps in the Arctic Sea. 
Fig. 60. View of the animal. 3 (75? 45' n.. Sp. Exp. 1861.) 
» 61. Dorsal view of the foremost part of the proboscis with the rudimentary tentacles. 239. 
The same animal. 
» 62. BNide view of the same proboscis. 39. 
» 63. Side view of the foremost part of the proboscis of an animal dredged up from a depth 
of 950 fms. 39. (809 n.—4? 33' e.) 
» 64. Dorsal aspect of the same proboscis. 30. 
» 65. Different views of hooks of the same animal. ?40, 
» 66. Sample of skin from the posterior part of the body. 36. (76? 36' n.—12? 10' e. Sp. 
Exp. 1898.) 
» 67. View of an animal dredged up in the Sea of Kara. (Yen. Exp. 1875.) 
» 68. Sample of skin from the posterior end of the same animal. 35. 
Figs. 69—70. Upper views of two glandular bodies with minute genfilke, 350, 
Figs. 71—75. Phascolosoma abyssorum KOREN and DANIELSSEN. Type from Bergen. 
Fig. 71. The animal. + 
» 72. Side view of the free end of the proboscis of the same animal. 239. 
» 73. Dorsal view of the same proboscis. 29. 
» 74. BSide view of a hook. 249, 
» 75. Upper view of the same hook. ?49, 
