PLATE XIII. 



PAGE 



Fig. 66. SCUTELLA GIBBSII. Natural size. 37 



66 a. Section. 



yig. 67. A v? ROD APSIS WHITNEYI. Natural size. 37 



67 a. Elevation. 



Y\&. 68. ASTBODAPSIS TUMIDUS. Natural size. 37 



68 a. Side outline. 



Fig. 69. ASTKRIAS KEMONDII. Natural size. 37 



View of one of the arms. 



