PLATE XIV. 



Fig-. 59. Fhormacaufha hi/strix (Jøkg.) Jøbg., ™7i- The Vest Fiord I, "/i 1899, 0—180 m. A well developed specimen. 



a. Lateral view; placed as a species of Monocyrtida after Hæckel, with the ,,tophorn"' upwards. The right latei'al main 

 spine, Li, in front. 



b. The same, dorsal view, showing the network I'ound the (columella and) tophorn. The spine A is removed. 



c. The same, ventral view, showing the ventral sagittal spine and the network above. The other main spines are only indicated. 

 ., 60. Ph. hystrix (Jøeg.) Jøeg., *=%. Ofoten II, V2 1899, — 100 m. Lateral view, the right lateral arch (Bj) and mesh in front. 



A young specimen, pei'haps belonging to a species intermediate between PhonnarantJia hy><frix and Plectacmiiha oil-isl-os. 

 Diameter of the network about 68 \>-. Skeleton very light in weight. 

 „ 61. Ph. hystrix (Jøno.) JøRa., ^'^^/i. Helligvær, '-/i 1899, 0—250 m. A young specimen; dorsal view. Length of the spine L,. 75 t)-. 

 62. Ph. hystrix (.Joug.) Jøbg., *'''°/u Sea off Aalesund, 61" 56' n., 2" -40' c., '",2 1903 (S/S Michael Sars). A young specimen; 

 ventral view. 'Die short branch from spine Lj to the point of connection between the ventral (B^,) and the one lateral arch 

 (Hi) is distinctly seen. 



„ 6;^. Ph. hystrix (Jøkg.) ,Jøeg., *''°/,. From the same locality. Lateral view. The short common branch, mentioned under fig. 62, 

 is here in front, together with the right lateral arch (Bi) and the network above. The spine A is broken off. 



„ 64. (ionosphcera jjrimordialis Jøeg. n. sp., '^°/i. The Oster Fiord (near Bergen\ 'Vo 1900, 200—400 m. Diametei' of the I'ing 



22 |).; length of the largest spine about 100 |i. 

 ,, 65. <T. primordialis Jøeg., ^""/i- Ofoten II, "A 1899, 0—250 ni. From a sample preserved in formaline. 

 „ 66. G. primordialis, Jøeg., *=7i- Skroven, ■'.^ 1899, 0- 350 m. The connecting polygonal beam, Avith its two long, spieading 



spines, is seen below and to the left. Diameter of the ring 17 ]j., length of the largest spine 90 n. 

 „ 67. ('. 2»'imordialis Jøeg., ''°7i- From the same locality. The two pentagons are seen above, to the right and to tlie left (the 



arrows are perpendicular to their planes), the connecting polygonal beam below. 

 6S. ('. primordialis Jøkg., rar., *^7i- Sea between Norway and Iceland, due east of Iceland, 65" 43' n., 3" 1' w., '^/s 1903, 



100 — m. (S/S Michael Sars). Diameter of the pentagons 22 [j.; largest spines 50 |x long. Pei'haps a different species. 

 „ 121. House of Cyttarocylis denticidata (Ehrb.) Fol., var. suhedentata Jøeg. n. var.; ■'■'^"/i- The Ox Fioi-d, '^ a 1899, — 90 m. 



Lengtii 145 [>-, breadth 51 [j.; narrow end (,,tail tip") 17 \y long. Teeth 36 — 38. The areoles are only figured on a little 



portion of the surface and the wail. 



