LIST OF ILLUSTRATIONS. 



TEXT FKJUUES. 



I'litzrnai'o tIirowin{i-sticka 220 



N'aiii'ouvt'r (lir()\viiif;sti<'k 220 



V;iiic(>iiv(ir rctrioviiiff spt'nr 221 



riiiifjil t lirowiiiji at ick 221 



IJiril ami lisli liiirixMHi <>l' MaUali Indians 221 



liidliuiniiii vciitiicKsiiin 551 



AIxloiiicii ofDiplax dilalata 582 



Goiiitalia of Diplax dilalata 583 



{iciiilalia of Libcllnla caix'iisia 584 



(it'll it alia and nlva of Lil«>lliila 585 



(Genitalia of LilicUiila orytlira-a anil L. odwardai 580 



Ei>i'jiyiiiini of L ycosa and rurdosa 587 



riagiofj;niiiiiMUs, now bloniiioid lisli (iOO 



PLATES. 



FiK'inp pajio. 



I. I'opiiluM nit'edsi .U 



II. I'll rosporiiii tea oiipaniodea ;t6 



III. Ilvas lyratii.s 104 



IV. Clii<>n(i>«'i't('s faiinori, C. oiiilio 104 



V. Co'liK-criis firandia 104 



VI. Lopti'cos oriialna, Ilyaatcniia ciirilibii'iia 104 



VII. Ilyaatonua lonu;i]ica 104 



A'lII. Kiirynonio loiigiinana, Cychix (Cycloniaia) auborliiciilaria 104 



IX-XI V. Krianplatt-8 from Now York iiiul I'ounsylvniiia 114 



XV-XVIII. I'ossil plants (Neiiiatophyton cnisauni) 118 



XI X-XXXV. Actinia' of Altxitrogs exploration .* 210 



XXXVI-XLllI. Fossil plants from Toxas 282 



XLI V-X LV . Itliwd cray fish, Caiiilmnis i>clln(idiis tcsti 280 



XLVI-XLIX. Shofars and war horns 302 



L. West A iiurican niollusks 352 



LI. Molliisks of tlio (Jalapa^ros Islands 450 



LI I. Map of tlu' (uilapa^toa Islands 450 



LI 1 1. CoUcctinii stations of stt'anuT Alhatrans 4C6 



LIV-LV. l*li'roi)oda of yWtdf row oxjilonU ions 466 



LVI. Siltt'rian tropical Miocene fossils 478 



LVII-LX IX. Harvest spiders ( riialaii-;iida') of Oliio 564 



LXX. Ariu;]iiiida of I'^'lipsti expedition 590 



LXXI-LXXll. Lower Californian Hiiliniiiliis 648 



LXXIII-LXXVII. New sj^'cies of fresli water cralis , 602 



LXXVIIl. rerfoiate<l shells from shell mounds 698 



LX X 1 X. Driiikin.iC shells from Florida 698 



LXXX-LXXXII. I'ottory from shell nioiinds 698 



LXXXIII-LXXXIV. Views of shell mouuds 698 



\x 



