U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 82. ART. 13 PL. 3 



CaMPIOSIROMA HL^^LRI and C. RODDYl. NEW SPECIES 



1-3, Camptostroma resseri: 1, Ilolotyije; 2, enlargement of central portion showing structure (X 8); 



3, gutta-percha squeeze of holoty pe shown in Figure 1. Lower Cambrian: North Granville, N. Y. 



4, 5, C. roddyi: 4, Another individual exhibiting a thin siliceous film upon which the surface was 



impressed and which has flaked otf in several places revealing the matrix (X I'/s); 5, a second 



rather poor paratype (X Ik'). Locality same as Plate 1. 



