12 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 97 



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 Figs. 41, 42. Alokistocare nactuin, new species 7 



41. Cranidium with libragene, X 2. 



42. Holotype cranidium, X 2. 



Fig. 43. Alokistocare notatmn, new species 8 



Holotype cranidium. 

 Fig. 44. Alokistocare nonnale, new species 7 



Holotype cranidium. 

 Figs. 45-49. Clavaspidella minor, new species 9 



45. A small cranidium, X 2. 



46. Holotype cranidium, X 2. 



47. Libragene, X 2. 



48. A pygidium, X 4- 



49. A pygidium, X 2. 



Fig. 50. Elrathia longiccps, new species 8 



Holotype cranidium. 

 Figs. 51, 55. Alokistocare nothuin, new species 7 



51. Holotype cranidium, X 2. 



55. Partially exfoliated cranidium, X 2. 

 Figs. 52, 54. Alokistocare nodulijerum, new species 7 



52. Holotype cranidium. 

 54. A small cranidium. 



Fig. 53. Alokistocare natale, new species 7 



Holotype cranidium, X 2. 

 Fig. 56. Glossopleura intermedia, new species 8 



Holotype pygidium. 

 Figs. 57, 58. Hyolithcs idahoensis, new species. 5 



57. Operculum, and several tubes. 



58. A large example, and cranidia of Elrathia sampsoni. 



Figs. I, 2, 12-15, 24-26, 31-35, 56, 58, are from Loc. 37m. 

 Figs. 3-1 1, 16-24, 27-30, 36-55, are from Loc. 37n. 



