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Explanation of figures in Plate VIII. 



Phasbolosoma quadratimi, n. sp. 



Fig. 1. The single .specimen, slightly reduced. 



,, 2. Surface of skin showing rectangular skin-bodies. Magnified. 



,, 3. «, a tubular papillae. b, a hook. Both in lateral view. Magnified. 



,, 4. Anatomy of the specimen. 



JVij'i/iosoiiia dcani, n. sp. 



Fig. 5. A specimen, slightly reduced. 



,, 6. Dermal papillae in top view. Magnified. 



,, 7. a, a hook. a papillary body in top view. Magnified. 



,, 8. Anatomy of the species. 



Tlialasscma maiijitjodcnsc, n. sp. 



Fig. 9. The specimen, wanting the proboscis. Natural size. 

 ,, 10. Anatomy of the specimen. 



Explanation of abbreviations. 



a., 



dm., 



ic, 



ini., 



m., 



Anus. n., 



Anal gland- oe., 



Dorsal muscle. />//., 



Ventral hook. rç., 



Intestinal convolution. s//i., 



Interbasal muscle of ventral hooks. so., 



Mesentery. 77//., 



Nerve cord. 

 Oesophagus. 

 Pharynx. 

 Rectal gland. 

 Spindle muscle. 

 Segmental organ. 

 Ventral muscle. 



