55 
Fig. 683—h. Different sizes of spieules, showing that they vary much in length 
but little in diameter. Hartn. IV, Cam. luc. Zeiss. 
Fig. 69, a, b and c. Cribrochalina variabilis var. salpingoides. Three tr. ac. bent. 
Hartn. VII, Cam. luc. Zeiss. 
Fig. 70. Auletta elegans n. sp. Acuate spicule (tr. ac.) Hartn. VII, Cam. lue, Zeiss. 
Figg. 71—74. Oribrochalina Sluiteri n. sp. 
Fig. 71. tr. ac. 
Fig. 72. (tr°.) ac. f. 
Fig. 73. (tr°.) ac: 
Fig. 74. tr°. ac. 
Hartn. VII, Cam. luc. Zeiss. 
Figg. 75—82. Alebion piceum n. Sp. 
Fig. 75a, b. tr. ac. sp. Hartn. VII, Cam. luc. Zeiss. 
Fig. 76. tr?. sp. Hartn. VII, Cam. luc. Zeiss. 
Fig. 77. tr°*. sp. f. Hartn. VII, Cam. luc. Zeiss. 
Fig. 78. tr°2%.) sp. (f.) Hartn. VII, Cam. luc. Zeiss. 
Fig. 79. (tr°.) ac. Hartn. VII, Cam. luc. Zeiss. 
Fig. 80. anc. anc. Gigantic form. Hartn. VII, Cam. luc. Zeiss. 
Fig, 81a., e.anc. anc. Usual size. 
= 
. VII, Cam. luc. Zeiss. 
ce. id. Small size. Harn Te 
b., d. rut. rut. Hartn. VII, Cam, luc. Zeiss. 
Fig. 82. CD NB. »Bipocillate”. Hartn. VII, Cam. luc. Zeiss. 
Figg. 85—88. Tedania suctoria O. 8. 
Fig. 83. ac’. 
Fig. 84. tr°®. 
Fig. 85. tr. ac. Large form. 
Fig. 86. Head of a tr°?. 
Fig. 87. tr. ac. Small size. 
Fig. 88. tr®®. Specimen with elongated heads 
Hart. VII, Cam. luc. Zeiss. 
Figs. 89—- 95. Esperia lanz n. sp. 
Fig. 89. A sp. 
Fig. 90. Slender specimen of tr. ac. 
Fig. 91. Stout specimen of tr. ac. 
Fig. 92. anc. anc. [anc?.] Small specimens. / Hartn. VII, Cam. luc. Zeiss. 
Fig. 93. anc. anc. Gigantic specimen. 
Fig. 94. rut. rut. Usual size. 
Fig. 95. OD 
