Plate XIV. 



Page 

 Fig. i. Dendoricella rhopahim n. sp. a oxea from the main skeleton, b tornota from the dermal 

 skeleton, x 165, c isochela areuata with slightly compressed shaft, side view and front 

 view, d isochelae arcuatae, one with a broad, entire brim, the other with the brim di- 

 vided in three lobes, e a developmental form, x 1000 127 



— 2. Dendoricella obesichela 11. sp. a oxea from the main skeleton, b oxea from the dermal 



skeleton, x 165, c isochelae arcuatae of different sizes, front view and side view, x 1000, 



d sigmata, x 460 13° 



— 3. Myxilla incrustans Johnst. a acanthostyli, b older and younger developmental form, 



c dermal tornota, x 255, d ends of a spined and of an almost smooth tornotum, x 700, 

 e ancora spatulifera of the large form, side view, x 700, f ancora spatulifera of the 

 small form, front view and side view, x ca. 840, g sigmata of different sizes, x 460, 

 h styli from embryo, one of the largest and a smaller one, x 585 132 



— 4. Myxilla rosacea Lieberk. a acanthostyli, b a developmental form, c dermal tornota, d a 



developmental form, with one end almost pointed, x 255, e ends of two tornota, x 700, 

 f— g ancorse spatnliferse of different sizes, front view and side view, the former a little 

 contort, x 700, // sigmata of different sizes, x 460 138 



— 5. Myxilla fimbr iata Bow. a acanthostyli, b a developmental form, c dermal tornota, d a 



not quite young developmental form, x 255, e both ends of a typical tornote, x 700, 

 / ancora spatulifera of the large form, front view and side view, g a young develop- 

 mental form, // ancora spatulifera of the small form, side view, x 700, i subtylostylus 

 from embryo, x 585 14 1 



— 6. Myxilla brunnea Arm. Hans, a acanthostyli, b acanthostrongyla, c dermal tornota, d a 



developmental form with one end pointed, x 255, e both ends of a tornote, x 700, 

 f ancora spatulifera of the large form, front view, a little oblique, and side view, ^ancora 

 spatulifera of the small form, side view, x 700, // stylus from embryo, x 585 144 



— 7. Myxilla perspinosa n. sp. a acanthostyli, b dermal tornota, x 255, c spined end of a tor- 



note, x 700, d ancora spatulifera, side view and front view, x 700, c sigmata, x 460 . 147 



