INDEX VTolcanjic and intrusive rocks, Cretaceous Tertiary, age -- - - - - chemical composition -----d ike rocks - - -- - - grantilar intrusive rocks ---- IT - -1 - -- - - - - - - 7 venezuelana--Continued 1 uiros1 Turritellaiswiatkinsi, Turritella _.-ventricosa, Boliviina cf-_--_-_-vererugosum, Stigmaulax_ verneuli, Siphonodosa ria-verneitili emociata, Si phonic vienoens's, Turritell virgin, Neritita11 --.. (Vittu?) ef_ - Virgulbi c f. V. advena cf. V. danvillensis ---cf. V. dibolleasis - pachylieilus -Virgalia sp. -- -- vitelbus, Nalica._ - - vitreum, TeiostomuaVitriella pentagoim"1 Vitrinella'' semninlda-Vitrinellida( -- - e ,ilta _.._---- ___- - -- Page S106 .106 _16 _87 is -Is8 Page 52-53 56 -57 55 54 53-54 13, 54 27 106 27, 36 27, 30 22 22 21 21, 42 73 110 26 12sis -- --------- -- 20,21,22 _ _ _ - - - - 8 4 lbnices) cf ------- - ------ 84 1idocyclia (Lepidocyclina)..- 27,30 epidol81ia (Lepidocychnla) 27, 30,33 --- 91 48, 92, pl. 21 Xenphora sp Xcnoplhoridae 67, (IS Spl.21 wvatkiinsi, Tuirritella re, 19 waylular ah i, Lep ) 19 (Lepidocyclimt 1 W peiborddlla cubae19,27 dalli..- .___- _____- .19 weisbordi, Favia cf---19 Wells, J. W., quoted_-84 willetti, -1uticlimnax-71 qwillistonli, Torrittella qe 73 wimellerstorfl. Planlln 145 Page --------- 77,78 --------- 77,78 --------- 78 48, 77-78, pl. 22 --------- 78 --------__- 78 --------- 78 ---------- 7 ------ --- 7 .----.--- 21,37 - ---- 77 Yaberiella janaice younigi, N~atica ---loitnji. Natica (Po 77