PLATE XVII. 



Fig. 92. Androojdns yamplionycha (Jørg.) Jørg., ■*^°/i- The Herlø Fiord (near Bergen), -'/e 1898, 0—400 m. A well developed 



specimen with very strong and numerous byspines. Cephalis 38 i^ (long) x 34 \i. (broad); thorax 42.5 x 76; abdomen 



110 X 110; tophorn 64 |i. 

 „ 93. .4. gamphmyeha (Jørg.) Jørg., ''"Vi- Ofoten II, "A 1899, 0—100 m. Antapical view, showing the main spines (except the 



spine D), the „collar septum" (Hck.) and the outlines of the shell. 

 „ 94. A. amhhjcephalis (Jørg.) Jørg., «"/i. Øxsund, '"/a 1899, 550—620 m. yhell 102 (long) x 90 |i. 

 „ 95. A. ambhjcephalis (Jørg.) Jørg., ■'=7i. The Vest Fiord I, 0—180 m., 'Vi 1899. Young specimen. Cephalis 27 \y broad, 



thorax 72 [i. Cephalis as yet open above; abdomen not yet developed, only indicated through some marginal spines below. 



a. Lateral-ventral view; the spine Lj. in front, a little to the right. 



b. The same, lateral view. The inner septum, between thorax and abdomen, is seen. 

 „ 96. A, amhlyæphalis (Jørg.) Jørg., *^7i- 



„ 97. A. amUycephalis (Jørg.) Jørg. Apical view, showing the cephalis open above. 



„ 98. Clathrocyclas craspedota (Jørg.) Jørg., '*7i- Helligvær, '7i 1899, — 250 m. A well developed specimen; apical view. 



Greatest diameter of the abdomen 167 |i, of the thorax 133 |)., of the cephalis 42. 

 „ 99. CI. craspedota (Jørg.) .Jørg., **7i- From the same locality. Young specimen; abdomen as yet wanting. 



a. Lateral view. 



b. Apical view. 



„ 100. CI. ffraspedota (Jørg.j Jørg., ■'=7i- Ofoten II, 72 1899, 0—250 m. Young specimen without abdomen. Cephalis 25 [jl high 

 X 42 [i broad below; the longest tophorn 127 n. 



a. Lateral view, showing the two strong tophorns. 



b. Apical view. 



c. Optical section in the region of the „neck" ; apical view. The main spines, except spine D, are seen. 



d. Optical section, lateral view, showing the two tophorns protruding from the inner skeleton. 



„ 101. a. Didyoceras acanthicum Jørg., *'=°/i. Skroven, V* 1899, — 150 m. Apical view, showing the „collar septum'", the main 



spines (except spine D) and the outlines of the shell. 

 „ 105. Radiosphæra anacanthica Jørg. n. sp., ''^7i- The Skjerstad Fiord IV, — 330 m., '-'A 1900. Diameter of the central capsule, 



68 |i. The calymma quite invisible in water. 

 „ 106. R. anacanthica Jørg., ■'=7!- Kvænangen II, — 50 m. The calymma made visible through staining with safranine. 



