VIII PROCEEDINGS OF THE NATIONAL MUSEUM vol. 86 



TEXT FIGURES 



Page. 



1. Skull of Rhineura minutus, new species 13 



2. Skull and lower jaws of Rhineura sternbergii Walker, type 15 



3. Skull of Rhineura hatcherii Baur 15 



4. Skull and lower jaw of Glyptosaurus giganteus Gilmore 17 



5. Palatal view of skull and jaw of Glyptosaurus giganteus Gilmore J 8 



6. Right maxillary of ? Xestops piercei, new species, type 22 



7. Two dermal scutes of ? Xestops piercei, new species 23 



8. Left maxillary of ? Harpagosaurus silberlingii, new species, type 24 



9. Left maxillary of Paraprionosaurus wyomingensis, new species 25 



10. Tridere chelopa, new species: Antenna, gnathochilarium, legs, and 



gonopods 35 



11. Cambala annulata (Say): Gonopods 38 



12. Cambala cristiila, new species: Gonopods and first leg 40 



13. Catnbala texana, new species: Gonopods and legs 41 



14. Nannolene minor, new species: Gonopods and legs 44 



15. Nannolene violacea, new species: Anterior gonopod 47 



16. Pharodere radiata, new genus and species: Gnathochilarium, head, and 



gonopods 53 



17. Odac/iwrus peiasa<MS, new genus and species: Hea,d 56 



18. Endere disora, new genus and species: Antenna, head, gnathochilarium, 



and midbody segment 58 



19. Leiodere torreyana, new genus and species: Antenna, midbody segment, 



and gonopods 61 



20. Leiodere nana, new genus and species: Antenna, head, gnathochilarium, 



and gonopods 63 



21. Leiodere dasyura, new genus and species: Antenna, gnathochilarium, 



head, and gonopods 65 



22. Discocelis grisea, new species: Enteron and gonads 68 



23. Stylochus iniinicus Palombi 70 



24. Stylochus floridanus, new species: Anterior end 70 



25. Eustylochus meridianalis, new species 74 



26. Leptoplana angusta Verrill 76 



27. Stylochoplana floridana, new species 78 



28. Hoploplann thaisana, new species 79 



29. Conjuguterus parvus, new genus and species 82 



30. Oculoplana xoharloni, new genus and species 84 



31. Pseudoceros inaculosus, new^ species: Body, male and female genitalia, 



marginal tentacles, and tentacular and cerebral eyes 86 



32. Oligoclado floridanus, new genus and species: Ventral view and anterior 



end 88 



33. Acer otisa pellucida, new species: Dorsal view 90 



34. Prothiostomum lobalum, new species: Ventral view of body and of 



middle of body 92 



35. Species of Iphione and Lepidonotus 108 



36. Species of Halosydnella, new genus 112 



37. Species of Lepidasthenia, Eunoe, and Arctonoe 114 



38. Species of Harmotho'e and Eunoe 119 



39. Species of Harmothoe, Scalisetosus, Enipo, and Macellicephala 121 



40. Eupanthalis ynutilata (Treadwell) : Setae 124 



41. Eupolyodontes elongata (Treadwell): Prostomium, elytron, and setae. _ 126 



42. Diagrammatic sketch of Polyipnus 136 



43. Polyipnus unispinus, new species: Holotype 136 



