52 ON THE HOLOTHFEIANS OF FEW ZEALAND. 



Figs. 37-39. Perforated rods. (Zeiss D, Oc. 2, Camera.) 

 Fig. 40. Side view of rod. (Zeiss D, Oc. 2, Camera.) 

 Figs. 41-43. Reticulate cups from different points of view. (Zeiss J), Oc. 2, 

 Camera.) 



Plate 5. 

 Figs. 44-53. Colochirus calcarea. 

 Figs. 44 4 7. Knobbed reticulate plates from integument. (Zeiss D, Oc. 2, 

 Camera. 46 in profile.) 

 48-49. Knobbed reticulate cups. (Zeiss D, Oc. 2, Camera.) 

 60-62. Perforated rods. (Zeiss D, Oc. 2, Camera.) 

 Fig. 63. Part of calcareous ring, drawn from microscopical preparation 

 and slightly restored. X 30. 

 Figs. 54-61. Colochirus brevidentis. (Specimen from Wellington Museum.) 

 Figs. 54-57. Knobbed reticulate plates from integument. (Zeiss D, Oc. 2, 

 Camera.) 

 68-60. Small knobbed reticulate plates. (Zeiss D, Oc. 2, Camera.) 

 Fig. 61. Perforated rod. (Zeiss D, Oc. 2, Camera.) 



Plate 6. 

 Figs. 62-65. Thyonidium longidentis. (Type specimen from 

 Wellington Museum.) 

 Fig. 62. Calcareous ring, in a much contracted condition, X 8. 

 Figs. 63-65. Eeticulate plates from integument. (Zeiss C, Oc. 2, Camera.) 

 Figs. 66-69. Thyonidium longidentis. (Specimen from Dunedin Museum, 

 labelled Thyone caudata.) 

 Fig. 66. Sketch of portion of calcareous ring, X 5^. 



(The outlines between the polygonal plates are in parts very difficult 

 to make out, and the drawing does not pretend to absolute accuracy 

 in this respect.) 

 Figs. 67-69. Eeticulate plates from integument. (Zeiss C, Oc. 2, Camera.) 



Plate 7. 



Figs. 70-72. Psolus macqtmriensis. 

 Eeticulate plates from integument. (Zeiss D, Oc. 2, Camera.) 

 Figs. 73-82. Stichopus mollis. 

 Figs. 73-77. Characteristic spicules (" Tables ") from various points of view. 

 78-79. Thin reticulate bilateral plates. 

 80-81. Curved rods. 



(Figs. 73-81 drawn from Capt. Hutton's type slide ; Zeiss D, Oc. 2, 

 Camera.) 

 Fig. 82. Part of calcareous ring, X 2|. 



Figs. 83-87. Stichopus mollis ? 

 Additional spicules from a yellow specimen collected near Wellington 

 (Zeiss D, Oc. 2, Camera.) 



